/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 05:43:54,669 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 05:43:54,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 05:43:54,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 05:43:54,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 05:43:54,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 05:43:54,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 05:43:54,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 05:43:54,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 05:43:54,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 05:43:54,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 05:43:54,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 05:43:54,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 05:43:54,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 05:43:54,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 05:43:54,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 05:43:54,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 05:43:54,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 05:43:54,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 05:43:54,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 05:43:54,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 05:43:54,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 05:43:54,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 05:43:54,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 05:43:54,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 05:43:54,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 05:43:54,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 05:43:54,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 05:43:54,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 05:43:54,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 05:43:54,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 05:43:54,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 05:43:54,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 05:43:54,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 05:43:54,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 05:43:54,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 05:43:54,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 05:43:54,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 05:43:54,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 05:43:54,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 05:43:54,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 05:43:54,762 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 05:43:54,815 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 05:43:54,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 05:43:54,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 05:43:54,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 05:43:54,819 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 05:43:54,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 05:43:54,820 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 05:43:54,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 05:43:54,820 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 05:43:54,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 05:43:54,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 05:43:54,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 05:43:54,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 05:43:54,823 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 05:43:54,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 05:43:54,823 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 05:43:54,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 05:43:54,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 05:43:54,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 05:43:54,824 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 05:43:54,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 05:43:54,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:43:54,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 05:43:54,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 05:43:54,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 05:43:54,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 05:43:54,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 05:43:54,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 05:43:54,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 05:43:54,826 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
[2020-09-25 05:43:55,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 05:43:55,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 05:43:55,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 05:43:55,362 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 05:43:55,363 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 05:43:55,364 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i
[2020-09-25 05:43:55,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8fa58046/f6605db96fda413ba29ec93356755a9b/FLAGc8886e7e6
[2020-09-25 05:43:56,028 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 05:43:56,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i
[2020-09-25 05:43:56,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8fa58046/f6605db96fda413ba29ec93356755a9b/FLAGc8886e7e6
[2020-09-25 05:43:56,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8fa58046/f6605db96fda413ba29ec93356755a9b
[2020-09-25 05:43:56,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 05:43:56,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 05:43:56,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 05:43:56,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 05:43:56,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 05:43:56,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:43:56" (1/1) ...
[2020-09-25 05:43:56,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fff5522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:56, skipping insertion in model container
[2020-09-25 05:43:56,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:43:56" (1/1) ...
[2020-09-25 05:43:56,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 05:43:56,437 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 05:43:56,668 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:43:56,674 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 05:43:56,698 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:43:56,716 INFO L208 MainTranslator]: Completed translation
[2020-09-25 05:43:56,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:56 WrapperNode
[2020-09-25 05:43:56,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 05:43:56,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 05:43:56,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 05:43:56,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 05:43:56,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:56" (1/1) ...
[2020-09-25 05:43:56,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:56" (1/1) ...
[2020-09-25 05:43:56,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:56" (1/1) ...
[2020-09-25 05:43:56,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:56" (1/1) ...
[2020-09-25 05:43:56,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:56" (1/1) ...
[2020-09-25 05:43:56,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:56" (1/1) ...
[2020-09-25 05:43:56,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:56" (1/1) ...
[2020-09-25 05:43:56,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 05:43:56,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 05:43:56,848 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 05:43:56,848 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 05:43:56,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:56" (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 05:43:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 05:43:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 05:43:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 05:43:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-25 05:43:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 05:43:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 05:43:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 05:43:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 05:43:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 05:43:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 05:43:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 05:43:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 05:43:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 05:43:57,304 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 05:43:57,304 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-25 05:43:57,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:43:57 BoogieIcfgContainer
[2020-09-25 05:43:57,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 05:43:57,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 05:43:57,311 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 05:43:57,315 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 05:43:57,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:43:56" (1/3) ...
[2020-09-25 05:43:57,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a407c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:43:57, skipping insertion in model container
[2020-09-25 05:43:57,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:43:56" (2/3) ...
[2020-09-25 05:43:57,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a407c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:43:57, skipping insertion in model container
[2020-09-25 05:43:57,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:43:57" (3/3) ...
[2020-09-25 05:43:57,319 INFO L109 eAbstractionObserver]: Analyzing ICFG MADWiFi-encode_ie_ok.i
[2020-09-25 05:43:57,329 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 05:43:57,339 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 05:43:57,361 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 05:43:57,394 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 05:43:57,394 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 05:43:57,394 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 05:43:57,394 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 05:43:57,394 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 05:43:57,394 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 05:43:57,395 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 05:43:57,395 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 05:43:57,420 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states.
[2020-09-25 05:43:57,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2020-09-25 05:43:57,428 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:43:57,429 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:43:57,430 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:43:57,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:43:57,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1281286412, now seen corresponding path program 1 times
[2020-09-25 05:43:57,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:43:57,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847943527]
[2020-09-25 05:43:57,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:43:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:43:57,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:43:57,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:43:57,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46
[2020-09-25 05:43:57,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:43:57,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287
[2020-09-25 05:43:57,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:43:57,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:43:57,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 05:43:57,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29
[2020-09-25 05:43:57,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-25 05:43:57,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 05:43:58,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:43:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:43:58,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:43:58,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:43:58,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:43:58,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:43:58,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:43:58,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:43:58,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:43:58,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:43:58,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:43:58,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:43:58,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:43:58,106 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 05:43:58,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [847943527]
[2020-09-25 05:43:58,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:43:58,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 05:43:58,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893021188]
[2020-09-25 05:43:58,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 05:43:58,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:43:58,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 05:43:58,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-09-25 05:43:58,137 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 7 states.
[2020-09-25 05:43:58,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:43:58,319 INFO L93 Difference]: Finished difference Result 77 states and 93 transitions.
[2020-09-25 05:43:58,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 05:43:58,322 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37
[2020-09-25 05:43:58,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:43:58,333 INFO L225 Difference]: With dead ends: 77
[2020-09-25 05:43:58,333 INFO L226 Difference]: Without dead ends: 49
[2020-09-25 05:43:58,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2020-09-25 05:43:58,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2020-09-25 05:43:58,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49.
[2020-09-25 05:43:58,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states.
[2020-09-25 05:43:58,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions.
[2020-09-25 05:43:58,391 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 37
[2020-09-25 05:43:58,391 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:43:58,391 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions.
[2020-09-25 05:43:58,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 05:43:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions.
[2020-09-25 05:43:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-09-25 05:43:58,393 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:43:58,394 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:43:58,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 05:43:58,395 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:43:58,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:43:58,395 INFO L82 PathProgramCache]: Analyzing trace with hash -594029260, now seen corresponding path program 1 times
[2020-09-25 05:43:58,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:43:58,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416753805]
[2020-09-25 05:43:58,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:43:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:43:58,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:43:58,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:43:58,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:43:58,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53
[2020-09-25 05:43:58,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 05:43:58,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 580
[2020-09-25 05:43:58,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:43:58,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:43:58,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9
[2020-09-25 05:43:58,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31
[2020-09-25 05:43:58,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-25 05:43:59,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 05:43:59,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:43:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:43:59,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:43:59,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:43:59,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:43:59,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:43:59,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 05:43:59,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:43:59,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:43:59,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:43:59,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:43:59,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:43:59,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:43:59,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-09-25 05:43:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:43:59,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:43:59,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:43:59,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 05:43:59,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:43:59,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 05:43:59,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:43:59,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:43:59,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:43:59,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:43:59,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 05:43:59,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:43:59,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 05:43:59,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416753805]
[2020-09-25 05:43:59,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:43:59,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 05:43:59,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831649961]
[2020-09-25 05:43:59,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 05:43:59,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:43:59,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 05:43:59,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2020-09-25 05:43:59,128 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 9 states.
[2020-09-25 05:43:59,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:43:59,356 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions.
[2020-09-25 05:43:59,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-09-25 05:43:59,357 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42
[2020-09-25 05:43:59,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:43:59,360 INFO L225 Difference]: With dead ends: 59
[2020-09-25 05:43:59,361 INFO L226 Difference]: Without dead ends: 57
[2020-09-25 05:43:59,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210
[2020-09-25 05:43:59,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2020-09-25 05:43:59,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56.
[2020-09-25 05:43:59,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states.
[2020-09-25 05:43:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions.
[2020-09-25 05:43:59,380 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 42
[2020-09-25 05:43:59,381 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:43:59,381 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions.
[2020-09-25 05:43:59,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 05:43:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions.
[2020-09-25 05:43:59,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2020-09-25 05:43:59,384 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:43:59,385 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 05:43:59,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 05:43:59,385 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:43:59,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:43:59,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1318797830, now seen corresponding path program 1 times
[2020-09-25 05:43:59,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:43:59,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686131054]
[2020-09-25 05:43:59,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:43:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:43:59,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:43:59,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:43:59,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72
[2020-09-25 05:43:59,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:43:59,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462
[2020-09-25 05:43:59,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:43:59,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:43:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13
[2020-09-25 05:43:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33
[2020-09-25 05:43:59,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38
[2020-09-25 05:43:59,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:44:00,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:44:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:44:00,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:44:00,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:44:00,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 05:44:00,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:44:00,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 05:44:00,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:44:00,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:44:00,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:44:00,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:44:00,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:44:00,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 05:44:00,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-09-25 05:44:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:44:00,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:44:00,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:44:00,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 05:44:00,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:44:00,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 05:44:00,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:44:00,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:44:00,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:44:00,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:44:00,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 05:44:00,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:44:00,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-09-25 05:44:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:44:00,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:44:00,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:44:00,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 05:44:00,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:44:00,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18
[2020-09-25 05:44:00,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:44:00,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:44:00,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:44:00,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:44:00,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 05:44:00,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:44:00,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48
[2020-09-25 05:44:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:44:00,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:44:00,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:44:00,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 05:44:00,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:44:00,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 05:44:00,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:44:00,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:44:00,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 05:44:00,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:44:00,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 05:44:00,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:44:00,142 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2020-09-25 05:44:00,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686131054]
[2020-09-25 05:44:00,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-25 05:44:00,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12
[2020-09-25 05:44:00,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145631079]
[2020-09-25 05:44:00,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-09-25 05:44:00,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:44:00,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-09-25 05:44:00,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132
[2020-09-25 05:44:00,151 INFO L87 Difference]: Start difference. First operand 56 states and 57 transitions. Second operand 12 states.
[2020-09-25 05:44:00,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:44:00,457 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions.
[2020-09-25 05:44:00,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2020-09-25 05:44:00,458 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57
[2020-09-25 05:44:00,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:44:00,459 INFO L225 Difference]: With dead ends: 57
[2020-09-25 05:44:00,459 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 05:44:00,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420
[2020-09-25 05:44:00,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 05:44:00,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 05:44:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 05:44:00,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 05:44:00,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57
[2020-09-25 05:44:00,462 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:44:00,462 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 05:44:00,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-09-25 05:44:00,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 05:44:00,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 05:44:00,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 05:44:00,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 05:44:00,561 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-09-25 05:44:00,562 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 05:44:00,562 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 05:44:00,562 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-25 05:44:00,562 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 05:44:00,562 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 05:44:00,562 INFO L268 CegarLoopResult]: For program point L4-3(lines 3 5) no Hoare annotation was computed.
[2020-09-25 05:44:00,562 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed.
[2020-09-25 05:44:00,563 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed.
[2020-09-25 05:44:00,563 INFO L268 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed.
[2020-09-25 05:44:00,563 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed.
[2020-09-25 05:44:00,563 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed.
[2020-09-25 05:44:00,563 INFO L268 CegarLoopResult]: For program point L27-1(lines 14 45) no Hoare annotation was computed.
[2020-09-25 05:44:00,563 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 45) no Hoare annotation was computed.
[2020-09-25 05:44:00,564 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed.
[2020-09-25 05:44:00,564 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed.
[2020-09-25 05:44:00,564 INFO L268 CegarLoopResult]: For program point L23-2(line 23) no Hoare annotation was computed.
[2020-09-25 05:44:00,564 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-25 05:44:00,564 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed.
[2020-09-25 05:44:00,564 INFO L268 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed.
[2020-09-25 05:44:00,564 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed.
[2020-09-25 05:44:00,564 INFO L268 CegarLoopResult]: For program point L28(lines 14 45) no Hoare annotation was computed.
[2020-09-25 05:44:00,565 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed.
[2020-09-25 05:44:00,565 INFO L268 CegarLoopResult]: For program point L24-1(line 24) no Hoare annotation was computed.
[2020-09-25 05:44:00,565 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed.
[2020-09-25 05:44:00,565 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-25 05:44:00,565 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed.
[2020-09-25 05:44:00,565 INFO L268 CegarLoopResult]: For program point L29(lines 14 45) no Hoare annotation was computed.
[2020-09-25 05:44:00,565 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed.
[2020-09-25 05:44:00,566 INFO L268 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed.
[2020-09-25 05:44:00,566 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed.
[2020-09-25 05:44:00,566 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed.
[2020-09-25 05:44:00,566 INFO L268 CegarLoopResult]: For program point L21-2(line 21) no Hoare annotation was computed.
[2020-09-25 05:44:00,566 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed.
[2020-09-25 05:44:00,566 INFO L268 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed.
[2020-09-25 05:44:00,566 INFO L268 CegarLoopResult]: For program point L38-3(lines 38 42) no Hoare annotation was computed.
[2020-09-25 05:44:00,567 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed.
[2020-09-25 05:44:00,567 INFO L268 CegarLoopResult]: For program point L38-4(line 38) no Hoare annotation was computed.
[2020-09-25 05:44:00,567 INFO L268 CegarLoopResult]: For program point L38-5(line 38) no Hoare annotation was computed.
[2020-09-25 05:44:00,567 INFO L264 CegarLoopResult]: At program point L38-6(lines 38 42) the Hoare annotation is: (and (<= 0 main_~p~0) (<= 1 main_~leader_len~0) (<= (+ (* 2 main_~ielen~0) main_~p~0) (+ main_~bufsize_0~0 (* 2 main_~i~0))) (<= 1 main_~ielen~0))
[2020-09-25 05:44:00,567 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 45) the Hoare annotation is: true
[2020-09-25 05:44:00,567 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed.
[2020-09-25 05:44:00,568 INFO L268 CegarLoopResult]: For program point L26-1(line 26) no Hoare annotation was computed.
[2020-09-25 05:44:00,568 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed.
[2020-09-25 05:44:00,568 INFO L268 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed.
[2020-09-25 05:44:00,568 INFO L268 CegarLoopResult]: For program point L22-2(line 22) no Hoare annotation was computed.
[2020-09-25 05:44:00,568 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed.
[2020-09-25 05:44:00,568 INFO L271 CegarLoopResult]: At program point L43(lines 13 45) the Hoare annotation is: true
[2020-09-25 05:44:00,569 INFO L264 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: (and (<= 0 main_~p~0) (<= 1 main_~leader_len~0) (<= (+ (* 2 main_~ielen~0) main_~p~0) (+ main_~bufsize_0~0 (* 2 main_~i~0))) (<= (+ main_~p~0 2) main_~bufsize_0~0) (<= 1 main_~ielen~0))
[2020-09-25 05:44:00,569 INFO L264 CegarLoopResult]: At program point L39-1(line 39) the Hoare annotation is: (and (<= 0 main_~p~0) (<= 1 main_~leader_len~0) (<= (+ (* 2 main_~ielen~0) main_~p~0) (+ main_~bufsize_0~0 (* 2 main_~i~0))) (<= (+ main_~p~0 2) main_~bufsize_0~0) (<= 1 main_~ielen~0))
[2020-09-25 05:44:00,569 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed.
[2020-09-25 05:44:00,569 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true
[2020-09-25 05:44:00,569 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 6 11) no Hoare annotation was computed.
[2020-09-25 05:44:00,569 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed.
[2020-09-25 05:44:00,570 INFO L268 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed.
[2020-09-25 05:44:00,570 INFO L268 CegarLoopResult]: For program point L7-2(lines 6 11) no Hoare annotation was computed.
[2020-09-25 05:44:00,570 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed.
[2020-09-25 05:44:00,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 05:44:00 BoogieIcfgContainer
[2020-09-25 05:44:00,593 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 05:44:00,597 INFO L168 Benchmark]: Toolchain (without parser) took 4213.26 ms. Allocated memory was 146.8 MB in the beginning and 244.8 MB in the end (delta: 98.0 MB). Free memory was 103.6 MB in the beginning and 170.6 MB in the end (delta: -67.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB.
[2020-09-25 05:44:00,598 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 05:44:00,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.70 ms. Allocated memory is still 146.8 MB. Free memory was 102.9 MB in the beginning and 93.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
[2020-09-25 05:44:00,600 INFO L168 Benchmark]: Boogie Preprocessor took 129.04 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 93.2 MB in the beginning and 182.7 MB in the end (delta: -89.5 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB.
[2020-09-25 05:44:00,601 INFO L168 Benchmark]: RCFGBuilder took 461.78 ms. Allocated memory is still 202.9 MB. Free memory was 182.7 MB in the beginning and 165.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB.
[2020-09-25 05:44:00,602 INFO L168 Benchmark]: TraceAbstraction took 3282.52 ms. Allocated memory was 202.9 MB in the beginning and 244.8 MB in the end (delta: 41.9 MB). Free memory was 164.9 MB in the beginning and 170.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB.
[2020-09-25 05:44:00,607 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 330.70 ms. Allocated memory is still 146.8 MB. Free memory was 102.9 MB in the beginning and 93.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 129.04 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 93.2 MB in the beginning and 182.7 MB in the end (delta: -89.5 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 461.78 ms. Allocated memory is still 202.9 MB. Free memory was 182.7 MB in the beginning and 165.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3282.52 ms. Allocated memory was 202.9 MB in the beginning and 244.8 MB in the end (delta: 41.9 MB). Free memory was 164.9 MB in the beginning and 170.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 8]: 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: 13]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 38]: Loop Invariant
Derived loop invariant: ((0 <= p && 1 <= leader_len) && 2 * ielen + p <= bufsize_0 + 2 * i) && 1 <= ielen
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 4, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 136 SDtfs, 72 SDslu, 704 SDs, 0 SdLazy, 301 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=2, 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 14 PreInvPairs, 23 NumberOfFragments, 79 HoareAnnotationTreeSize, 14 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 16237 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 21/23 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...