/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/nested5-1.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 14:48:48,101 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 14:48:48,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 14:48:48,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 14:48:48,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 14:48:48,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 14:48:48,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 14:48:48,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 14:48:48,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 14:48:48,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 14:48:48,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 14:48:48,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 14:48:48,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 14:48:48,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 14:48:48,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 14:48:48,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 14:48:48,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 14:48:48,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 14:48:48,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 14:48:48,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 14:48:48,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 14:48:48,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 14:48:48,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 14:48:48,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 14:48:48,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 14:48:48,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 14:48:48,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 14:48:48,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 14:48:48,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 14:48:48,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 14:48:48,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 14:48:48,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 14:48:48,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 14:48:48,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 14:48:48,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 14:48:48,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 14:48:48,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 14:48:48,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 14:48:48,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 14:48:48,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 14:48:48,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 14:48:48,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 14:48:48,196 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 14:48:48,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 14:48:48,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 14:48:48,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 14:48:48,198 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 14:48:48,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 14:48:48,198 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 14:48:48,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 14:48:48,199 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 14:48:48,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 14:48:48,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 14:48:48,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 14:48:48,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 14:48:48,200 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 14:48:48,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 14:48:48,200 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 14:48:48,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 14:48:48,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 14:48:48,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 14:48:48,201 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 14:48:48,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 14:48:48,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 14:48:48,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 14:48:48,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 14:48:48,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 14:48:48,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 14:48:48,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 14:48:48,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 14:48:48,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 14:48:48,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
[2020-09-25 14:48:48,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 14:48:48,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 14:48:48,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 14:48:48,736 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 14:48:48,738 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 14:48:48,739 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested5-1.c
[2020-09-25 14:48:48,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5da8e8282/ad187fe2b8474d3ba0676e658e9af0a2/FLAG24c0e7ae3
[2020-09-25 14:48:49,329 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 14:48:49,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops-crafted-1/nested5-1.c
[2020-09-25 14:48:49,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5da8e8282/ad187fe2b8474d3ba0676e658e9af0a2/FLAG24c0e7ae3
[2020-09-25 14:48:49,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5da8e8282/ad187fe2b8474d3ba0676e658e9af0a2
[2020-09-25 14:48:49,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 14:48:49,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 14:48:49,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 14:48:49,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 14:48:49,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 14:48:49,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:48:49" (1/1) ...
[2020-09-25 14:48:49,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3baf0e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:49, skipping insertion in model container
[2020-09-25 14:48:49,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:48:49" (1/1) ...
[2020-09-25 14:48:49,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 14:48:49,769 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 14:48:49,973 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:48:49,978 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 14:48:50,000 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:48:50,018 INFO L208 MainTranslator]: Completed translation
[2020-09-25 14:48:50,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:50 WrapperNode
[2020-09-25 14:48:50,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 14:48:50,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 14:48:50,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 14:48:50,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 14:48:50,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:50" (1/1) ...
[2020-09-25 14:48:50,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:50" (1/1) ...
[2020-09-25 14:48:50,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:50" (1/1) ...
[2020-09-25 14:48:50,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:50" (1/1) ...
[2020-09-25 14:48:50,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:50" (1/1) ...
[2020-09-25 14:48:50,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:50" (1/1) ...
[2020-09-25 14:48:50,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:50" (1/1) ...
[2020-09-25 14:48:50,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 14:48:50,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 14:48:50,128 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 14:48:50,128 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 14:48:50,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:50" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 14:48:50,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 14:48:50,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 14:48:50,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-25 14:48:50,207 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 14:48:50,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 14:48:50,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 14:48:50,207 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 14:48:50,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 14:48:50,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 14:48:50,516 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 14:48:50,516 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 14:48:50,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:48:50 BoogieIcfgContainer
[2020-09-25 14:48:50,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 14:48:50,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 14:48:50,532 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 14:48:50,537 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 14:48:50,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:48:49" (1/3) ...
[2020-09-25 14:48:50,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576fa9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:48:50, skipping insertion in model container
[2020-09-25 14:48:50,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:50" (2/3) ...
[2020-09-25 14:48:50,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576fa9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:48:50, skipping insertion in model container
[2020-09-25 14:48:50,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:48:50" (3/3) ...
[2020-09-25 14:48:50,542 INFO L109 eAbstractionObserver]: Analyzing ICFG nested5-1.c
[2020-09-25 14:48:50,550 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 14:48:50,560 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 14:48:50,582 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 14:48:50,613 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 14:48:50,614 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 14:48:50,614 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 14:48:50,614 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 14:48:50,614 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 14:48:50,614 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 14:48:50,615 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 14:48:50,615 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 14:48:50,635 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states.
[2020-09-25 14:48:50,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2020-09-25 14:48:50,643 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:48:50,644 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]
[2020-09-25 14:48:50,644 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:48:50,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:48:50,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1562147583, now seen corresponding path program 1 times
[2020-09-25 14:48:50,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:48:50,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1053639040]
[2020-09-25 14:48:50,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:48:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:48:50,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:50,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:48:50,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32
[2020-09-25 14:48:50,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:48:50,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198
[2020-09-25 14:48:51,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:48:51,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:48:51,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:48:51,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 14:48:51,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 14:48:51,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10
[2020-09-25 14:48:51,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:48:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:48:51,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:51,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:48:51,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:48:51,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:48:51,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 14:48:51,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:48:51,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:48:51,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:48:51,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:48:51,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:48:51,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:48:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 14:48:51,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1053639040]
[2020-09-25 14:48:51,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:48:51,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 14:48:51,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797233842]
[2020-09-25 14:48:51,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 14:48:51,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:48:51,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 14:48:51,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 14:48:51,195 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states.
[2020-09-25 14:48:51,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:48:51,272 INFO L93 Difference]: Finished difference Result 105 states and 136 transitions.
[2020-09-25 14:48:51,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 14:48:51,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23
[2020-09-25 14:48:51,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:48:51,286 INFO L225 Difference]: With dead ends: 105
[2020-09-25 14:48:51,286 INFO L226 Difference]: Without dead ends: 61
[2020-09-25 14:48:51,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 14:48:51,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2020-09-25 14:48:51,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 42.
[2020-09-25 14:48:51,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states.
[2020-09-25 14:48:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions.
[2020-09-25 14:48:51,337 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 23
[2020-09-25 14:48:51,338 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:48:51,338 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions.
[2020-09-25 14:48:51,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 14:48:51,338 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions.
[2020-09-25 14:48:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-09-25 14:48:51,340 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:48:51,340 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]
[2020-09-25 14:48:51,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 14:48:51,341 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:48:51,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:48:51,342 INFO L82 PathProgramCache]: Analyzing trace with hash 42061886, now seen corresponding path program 1 times
[2020-09-25 14:48:51,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:48:51,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1601261299]
[2020-09-25 14:48:51,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:48:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:48:51,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:51,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:51,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:51,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:48:51,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36
[2020-09-25 14:48:51,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 14:48:51,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 474
[2020-09-25 14:48:51,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:48:51,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:48:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 14:48:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 14:48:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 14:48:51,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 14:48:51,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:48:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:48:51,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:51,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:48:51,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:48:51,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:48:51,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 14:48:51,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:48:51,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:48:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:48:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:48:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:48:51,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 14:48:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 14:48:51,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1601261299]
[2020-09-25 14:48:51,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-25 14:48:51,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5
[2020-09-25 14:48:51,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136753537]
[2020-09-25 14:48:51,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 14:48:51,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:48:51,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 14:48:51,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-25 14:48:51,953 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states.
[2020-09-25 14:48:52,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:48:52,045 INFO L93 Difference]: Finished difference Result 97 states and 109 transitions.
[2020-09-25 14:48:52,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-25 14:48:52,047 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27
[2020-09-25 14:48:52,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:48:52,049 INFO L225 Difference]: With dead ends: 97
[2020-09-25 14:48:52,049 INFO L226 Difference]: Without dead ends: 65
[2020-09-25 14:48:52,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-25 14:48:52,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2020-09-25 14:48:52,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 46.
[2020-09-25 14:48:52,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states.
[2020-09-25 14:48:52,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions.
[2020-09-25 14:48:52,077 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 27
[2020-09-25 14:48:52,078 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:48:52,078 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions.
[2020-09-25 14:48:52,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 14:48:52,078 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions.
[2020-09-25 14:48:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2020-09-25 14:48:52,079 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:48:52,080 INFO L422 BasicCegarLoop]: trace histogram [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]
[2020-09-25 14:48:52,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 14:48:52,080 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:48:52,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:48:52,080 INFO L82 PathProgramCache]: Analyzing trace with hash -2023869189, now seen corresponding path program 2 times
[2020-09-25 14:48:52,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:48:52,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499110497]
[2020-09-25 14:48:52,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:48:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:48:52,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:52,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:52,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:52,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:52,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:48:52,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40
[2020-09-25 14:48:52,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 14:48:52,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442
[2020-09-25 14:48:52,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:48:52,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:48:52,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 14:48:52,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24
[2020-09-25 14:48:52,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 14:48:52,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:48:52,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:48:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:48:52,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:52,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:48:52,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:48:52,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:48:52,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 14:48:52,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:48:52,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:48:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:48:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:48:52,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:48:52,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:48:52,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 14:48:52,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499110497]
[2020-09-25 14:48:52,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-25 14:48:52,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2020-09-25 14:48:52,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943470935]
[2020-09-25 14:48:52,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 14:48:52,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:48:52,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 14:48:52,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-09-25 14:48:52,672 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 7 states.
[2020-09-25 14:48:52,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:48:52,804 INFO L93 Difference]: Finished difference Result 105 states and 117 transitions.
[2020-09-25 14:48:52,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-25 14:48:52,804 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31
[2020-09-25 14:48:52,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:48:52,806 INFO L225 Difference]: With dead ends: 105
[2020-09-25 14:48:52,806 INFO L226 Difference]: Without dead ends: 69
[2020-09-25 14:48:52,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2020-09-25 14:48:52,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2020-09-25 14:48:52,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 50.
[2020-09-25 14:48:52,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states.
[2020-09-25 14:48:52,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions.
[2020-09-25 14:48:52,815 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 31
[2020-09-25 14:48:52,815 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:48:52,815 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions.
[2020-09-25 14:48:52,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 14:48:52,815 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions.
[2020-09-25 14:48:52,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-09-25 14:48:52,817 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:48:52,817 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:48:52,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 14:48:52,817 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:48:52,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:48:52,818 INFO L82 PathProgramCache]: Analyzing trace with hash -909118664, now seen corresponding path program 3 times
[2020-09-25 14:48:52,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:48:52,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [491147062]
[2020-09-25 14:48:52,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:48:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:48:52,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:52,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:53,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:53,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:53,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:48:53,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 14:48:53,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 14:48:53,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 869
[2020-09-25 14:48:53,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:48:53,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:48:53,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7
[2020-09-25 14:48:53,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33
[2020-09-25 14:48:53,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 14:48:53,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:48:53,999 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 23
[2020-09-25 14:48:54,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:48:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:48:54,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:54,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:48:54,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 14:48:54,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:48:54,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 14:48:54,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:48:54,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:48:54,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:48:54,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:48:54,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:48:54,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:48:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2020-09-25 14:48:54,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [491147062]
[2020-09-25 14:48:54,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:48:54,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 14:48:54,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026139121]
[2020-09-25 14:48:54,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 14:48:54,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:48:54,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 14:48:54,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2020-09-25 14:48:54,054 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 8 states.
[2020-09-25 14:48:54,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:48:54,203 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions.
[2020-09-25 14:48:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-09-25 14:48:54,205 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35
[2020-09-25 14:48:54,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:48:54,205 INFO L225 Difference]: With dead ends: 67
[2020-09-25 14:48:54,206 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 14:48:54,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110
[2020-09-25 14:48:54,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 14:48:54,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 14:48:54,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 14:48:54,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 14:48:54,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35
[2020-09-25 14:48:54,208 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:48:54,208 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 14:48:54,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 14:48:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 14:48:54,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 14:48:54,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 14:48:54,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 14:48:54,387 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-09-25 14:48:54,387 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 14:48:54,387 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 14:48:54,387 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-25 14:48:54,387 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 14:48:54,387 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 14:48:54,388 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 10 25) no Hoare annotation was computed.
[2020-09-25 14:48:54,389 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-25 14:48:54,389 INFO L268 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed.
[2020-09-25 14:48:54,389 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed.
[2020-09-25 14:48:54,389 INFO L268 CegarLoopResult]: For program point L19-4(line 19) no Hoare annotation was computed.
[2020-09-25 14:48:54,389 INFO L268 CegarLoopResult]: For program point L19-5(line 19) no Hoare annotation was computed.
[2020-09-25 14:48:54,390 INFO L264 CegarLoopResult]: At program point L19-6(lines 19 23) the Hoare annotation is: (<= main_~v~0 (+ (* 4294967296 (div main_~v~0 4294967296)) 10))
[2020-09-25 14:48:54,390 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed.
[2020-09-25 14:48:54,390 INFO L268 CegarLoopResult]: For program point L20-3(line 20) no Hoare annotation was computed.
[2020-09-25 14:48:54,390 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-25 14:48:54,390 INFO L268 CegarLoopResult]: For program point L20-4(line 20) no Hoare annotation was computed.
[2020-09-25 14:48:54,390 INFO L264 CegarLoopResult]: At program point L20-5(lines 20 23) the Hoare annotation is: (<= main_~v~0 (+ (* 4294967296 (div main_~v~0 4294967296)) 10))
[2020-09-25 14:48:54,390 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed.
[2020-09-25 14:48:54,391 INFO L268 CegarLoopResult]: For program point L21-3(line 21) no Hoare annotation was computed.
[2020-09-25 14:48:54,391 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed.
[2020-09-25 14:48:54,391 INFO L268 CegarLoopResult]: For program point L21-4(line 21) no Hoare annotation was computed.
[2020-09-25 14:48:54,391 INFO L268 CegarLoopResult]: For program point L21-5(line 21) no Hoare annotation was computed.
[2020-09-25 14:48:54,391 INFO L264 CegarLoopResult]: At program point L21-6(line 21) the Hoare annotation is: (<= main_~v~0 (+ (* 4294967296 (div main_~v~0 4294967296)) 10))
[2020-09-25 14:48:54,391 INFO L264 CegarLoopResult]: At program point L21-7(line 21) the Hoare annotation is: (let ((.cse0 (div main_~v~0 4294967296))) (and (<= main_~v~0 (+ (* 4294967296 .cse0) 10)) (< (let ((.cse1 (div main_~v~0 4))) (+ (* 3221225472 (div (+ main_~v~0 (* .cse1 (- 4))) 4294967296)) (* 1073741824 .cse0) (* 3 .cse1) 2)) main_~v~0)))
[2020-09-25 14:48:54,392 INFO L268 CegarLoopResult]: For program point L17-3(lines 17 23) no Hoare annotation was computed.
[2020-09-25 14:48:54,392 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed.
[2020-09-25 14:48:54,392 INFO L268 CegarLoopResult]: For program point L17-4(line 17) no Hoare annotation was computed.
[2020-09-25 14:48:54,392 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 10 25) no Hoare annotation was computed.
[2020-09-25 14:48:54,392 INFO L268 CegarLoopResult]: For program point L17-5(line 17) no Hoare annotation was computed.
[2020-09-25 14:48:54,392 INFO L264 CegarLoopResult]: At program point L17-6(lines 17 23) the Hoare annotation is: (<= main_~v~0 (+ (* 4294967296 (div main_~v~0 4294967296)) 10))
[2020-09-25 14:48:54,393 INFO L268 CegarLoopResult]: For program point L17-7(lines 17 23) no Hoare annotation was computed.
[2020-09-25 14:48:54,393 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 10 25) the Hoare annotation is: true
[2020-09-25 14:48:54,393 INFO L268 CegarLoopResult]: For program point L22(lines 20 23) no Hoare annotation was computed.
[2020-09-25 14:48:54,393 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed.
[2020-09-25 14:48:54,393 INFO L268 CegarLoopResult]: For program point L18-3(lines 18 23) no Hoare annotation was computed.
[2020-09-25 14:48:54,393 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed.
[2020-09-25 14:48:54,394 INFO L268 CegarLoopResult]: For program point L18-4(line 18) no Hoare annotation was computed.
[2020-09-25 14:48:54,394 INFO L268 CegarLoopResult]: For program point L18-5(line 18) no Hoare annotation was computed.
[2020-09-25 14:48:54,394 INFO L264 CegarLoopResult]: At program point L18-6(lines 18 23) the Hoare annotation is: (<= main_~v~0 (+ (* 4294967296 (div main_~v~0 4294967296)) 10))
[2020-09-25 14:48:54,395 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true
[2020-09-25 14:48:54,395 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed.
[2020-09-25 14:48:54,396 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed.
[2020-09-25 14:48:54,396 INFO L268 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed.
[2020-09-25 14:48:54,396 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed.
[2020-09-25 14:48:54,397 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 8) no Hoare annotation was computed.
[2020-09-25 14:48:54,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:48:54 BoogieIcfgContainer
[2020-09-25 14:48:54,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 14:48:54,426 INFO L168 Benchmark]: Toolchain (without parser) took 4709.62 ms. Allocated memory was 138.4 MB in the beginning and 248.5 MB in the end (delta: 110.1 MB). Free memory was 101.7 MB in the beginning and 130.6 MB in the end (delta: -28.9 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB.
[2020-09-25 14:48:54,427 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 14:48:54,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.63 ms. Allocated memory is still 138.4 MB. Free memory was 101.0 MB in the beginning and 91.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB.
[2020-09-25 14:48:54,431 INFO L168 Benchmark]: Boogie Preprocessor took 107.78 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 91.5 MB in the beginning and 176.7 MB in the end (delta: -85.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
[2020-09-25 14:48:54,437 INFO L168 Benchmark]: RCFGBuilder took 394.41 ms. Allocated memory is still 198.7 MB. Free memory was 176.7 MB in the beginning and 161.7 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB.
[2020-09-25 14:48:54,438 INFO L168 Benchmark]: TraceAbstraction took 3892.15 ms. Allocated memory was 198.7 MB in the beginning and 248.5 MB in the end (delta: 49.8 MB). Free memory was 161.1 MB in the beginning and 130.6 MB in the end (delta: 30.5 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB.
[2020-09-25 14:48:54,449 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.46 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 296.63 ms. Allocated memory is still 138.4 MB. Free memory was 101.0 MB in the beginning and 91.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 107.78 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 91.5 MB in the beginning and 176.7 MB in the end (delta: -85.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 394.41 ms. Allocated memory is still 198.7 MB. Free memory was 176.7 MB in the beginning and 161.7 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3892.15 ms. Allocated memory was 198.7 MB in the beginning and 248.5 MB in the end (delta: 49.8 MB). Free memory was 161.1 MB in the beginning and 130.6 MB in the end (delta: 30.5 MB). Peak memory consumption was 80.3 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: 17]: Loop Invariant
Derived loop invariant: v <= 4294967296 * (v / 4294967296) + 10
- InvariantResult [Line: 18]: Loop Invariant
Derived loop invariant: v <= 4294967296 * (v / 4294967296) + 10
- InvariantResult [Line: 19]: Loop Invariant
Derived loop invariant: v <= 4294967296 * (v / 4294967296) + 10
- InvariantResult [Line: 21]: Loop Invariant
Derived loop invariant: v <= 4294967296 * (v / 4294967296) + 10
- InvariantResult [Line: 20]: Loop Invariant
Derived loop invariant: v <= 4294967296 * (v / 4294967296) + 10
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 189 SDtfs, 148 SDslu, 586 SDs, 0 SdLazy, 90 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=3, 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, 4 MinimizatonAttempts, 57 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 14 PreInvPairs, 27 NumberOfFragments, 85 HoareAnnotationTreeSize, 14 FomulaSimplifications, 43 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 187 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 8536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 15/22 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...