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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 19:15:46,718 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-13 19:15:46,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 19:15:46,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 19:15:46,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 19:15:46,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 19:15:46,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 19:15:46,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2019-10-13 19:15:46,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
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[2019-10-13 19:15:46,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 19:15:46,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 19:15:46,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 19:15:46,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 19:15:46,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 19:15:46,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 19:15:46,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2019-10-13 19:15:46,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2019-10-13 19:15:46,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2019-10-13 19:15:46,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2019-10-13 19:15:46,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-13 19:15:46,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 19:15:46,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-10-13 19:15:46,791 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-13 19:15:46,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 19:15:46,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 19:15:46,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-13 19:15:46,793 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-13 19:15:46,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 19:15:46,793 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-13 19:15:46,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-13 19:15:46,794 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-13 19:15:46,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-13 19:15:46,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 19:15:46,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 19:15:46,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 19:15:46,795 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-13 19:15:46,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-13 19:15:46,795 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-13 19:15:46,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-13 19:15:46,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 19:15:46,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-13 19:15:46,796 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-13 19:15:46,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-13 19:15:46,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 19:15:46,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 19:15:46,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 19:15:46,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 19:15:46,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-13 19:15:46,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 19:15:46,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 19:15:46,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-10-13 19:15:47,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 19:15:47,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 19:15:47,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 19:15:47,085 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-13 19:15:47,086 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-13 19:15:47,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c
[2019-10-13 19:15:47,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1e16716/48ac09fdfdce45999ba66cd1109ad0a4/FLAG6401a9e95
[2019-10-13 19:15:47,647 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-13 19:15:47,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c
[2019-10-13 19:15:47,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1e16716/48ac09fdfdce45999ba66cd1109ad0a4/FLAG6401a9e95
[2019-10-13 19:15:47,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1e16716/48ac09fdfdce45999ba66cd1109ad0a4
[2019-10-13 19:15:47,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 19:15:47,972 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 19:15:47,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 19:15:47,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 19:15:47,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 19:15:47,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:15:47" (1/1) ...
[2019-10-13 19:15:47,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6bfa44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:47, skipping insertion in model container
[2019-10-13 19:15:47,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:15:47" (1/1) ...
[2019-10-13 19:15:47,987 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-13 19:15:48,013 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-13 19:15:48,280 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 19:15:48,382 INFO L188 MainTranslator]: Completed pre-run
[2019-10-13 19:15:48,470 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 19:15:48,485 INFO L192 MainTranslator]: Completed translation
[2019-10-13 19:15:48,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48 WrapperNode
[2019-10-13 19:15:48,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 19:15:48,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 19:15:48,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 19:15:48,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 19:15:48,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ...
[2019-10-13 19:15:48,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ...
[2019-10-13 19:15:48,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ...
[2019-10-13 19:15:48,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ...
[2019-10-13 19:15:48,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ...
[2019-10-13 19:15:48,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ...
[2019-10-13 19:15:48,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ...
[2019-10-13 19:15:48,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 19:15:48,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 19:15:48,557 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 19:15:48,557 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-13 19:15:48,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 19:15:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 19:15:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 19:15:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 19:15:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 19:15:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89
[2019-10-13 19:15:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure fopen
[2019-10-13 19:15:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-13 19:15:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-10-13 19:15:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 19:15:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 19:15:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-13 19:15:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-13 19:15:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-10-13 19:15:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 19:15:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 19:15:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-13 19:15:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-10-13 19:15:49,377 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 19:15:49,377 INFO L284 CfgBuilder]: Removed 0 assume(true) statements.
[2019-10-13 19:15:49,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:15:49 BoogieIcfgContainer
[2019-10-13 19:15:49,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 19:15:49,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 19:15:49,380 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 19:15:49,383 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-10-13 19:15:49,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:15:47" (1/3) ...
[2019-10-13 19:15:49,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d4a478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:15:49, skipping insertion in model container
[2019-10-13 19:15:49,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:15:48" (2/3) ...
[2019-10-13 19:15:49,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d4a478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:15:49, skipping insertion in model container
[2019-10-13 19:15:49,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:15:49" (3/3) ...
[2019-10-13 19:15:49,389 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+cfa-reducer.c
[2019-10-13 19:15:49,407 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 19:15:49,415 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 19:15:49,426 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 19:15:49,462 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-10-13 19:15:49,462 INFO L374 AbstractCegarLoop]: Hoare is true
[2019-10-13 19:15:49,463 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 19:15:49,463 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 19:15:49,463 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 19:15:49,464 INFO L378 AbstractCegarLoop]: Difference is false
[2019-10-13 19:15:49,464 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 19:15:49,464 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 19:15:49,485 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states.
[2019-10-13 19:15:49,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2019-10-13 19:15:49,492 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 19:15:49,493 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:15:49,497 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:15:49,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:15:49,503 INFO L82 PathProgramCache]: Analyzing trace with hash 316900320, now seen corresponding path program 1 times
[2019-10-13 19:15:49,512 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 19:15:49,512 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026964479]
[2019-10-13 19:15:49,513 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:15:49,513 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:15:49,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:15:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:15:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:15:49,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 19:15:49,902 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026964479]
[2019-10-13 19:15:49,904 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 19:15:49,904 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-13 19:15:49,904 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403768708]
[2019-10-13 19:15:49,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-13 19:15:49,910 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 19:15:49,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-13 19:15:49,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-10-13 19:15:49,927 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 5 states.
[2019-10-13 19:15:50,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:15:50,123 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions.
[2019-10-13 19:15:50,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2019-10-13 19:15:50,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13
[2019-10-13 19:15:50,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:15:50,135 INFO L225 Difference]: With dead ends: 46
[2019-10-13 19:15:50,135 INFO L226 Difference]: Without dead ends: 24
[2019-10-13 19:15:50,138 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2019-10-13 19:15:50,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2019-10-13 19:15:50,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18.
[2019-10-13 19:15:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2019-10-13 19:15:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions.
[2019-10-13 19:15:50,177 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13
[2019-10-13 19:15:50,177 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:15:50,177 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions.
[2019-10-13 19:15:50,178 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-10-13 19:15:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions.
[2019-10-13 19:15:50,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2019-10-13 19:15:50,179 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 19:15:50,179 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:15:50,179 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:15:50,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:15:50,180 INFO L82 PathProgramCache]: Analyzing trace with hash 316483246, now seen corresponding path program 1 times
[2019-10-13 19:15:50,180 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 19:15:50,180 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068404073]
[2019-10-13 19:15:50,180 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:15:50,181 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:15:50,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:15:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:15:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:15:50,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 19:15:50,332 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068404073]
[2019-10-13 19:15:50,332 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 19:15:50,332 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-13 19:15:50,332 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609345155]
[2019-10-13 19:15:50,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-13 19:15:50,334 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 19:15:50,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-13 19:15:50,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-10-13 19:15:50,335 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 5 states.
[2019-10-13 19:15:50,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:15:50,416 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions.
[2019-10-13 19:15:50,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2019-10-13 19:15:50,416 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13
[2019-10-13 19:15:50,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:15:50,418 INFO L225 Difference]: With dead ends: 28
[2019-10-13 19:15:50,418 INFO L226 Difference]: Without dead ends: 26
[2019-10-13 19:15:50,419 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2019-10-13 19:15:50,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2019-10-13 19:15:50,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20.
[2019-10-13 19:15:50,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states.
[2019-10-13 19:15:50,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions.
[2019-10-13 19:15:50,424 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 13
[2019-10-13 19:15:50,424 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:15:50,425 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions.
[2019-10-13 19:15:50,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-10-13 19:15:50,425 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions.
[2019-10-13 19:15:50,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2019-10-13 19:15:50,426 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 19:15:50,426 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:15:50,426 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:15:50,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:15:50,427 INFO L82 PathProgramCache]: Analyzing trace with hash 625969832, now seen corresponding path program 1 times
[2019-10-13 19:15:50,427 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 19:15:50,427 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163117975]
[2019-10-13 19:15:50,427 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:15:50,428 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:15:50,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:15:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:15:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:15:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 19:15:50,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163117975]
[2019-10-13 19:15:50,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823796576]
[2019-10-13 19:15:50,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 19:15:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:15:50,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 7 conjunts are in the unsatisfiable core
[2019-10-13 19:15:50,862 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 19:15:50,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 19:15:50,920 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2019-10-13 19:15:50,920 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7
[2019-10-13 19:15:50,921 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391238762]
[2019-10-13 19:15:50,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-10-13 19:15:50,922 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 19:15:50,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-10-13 19:15:50,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2019-10-13 19:15:50,923 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 7 states.
[2019-10-13 19:15:51,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:15:51,129 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions.
[2019-10-13 19:15:51,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2019-10-13 19:15:51,130 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19
[2019-10-13 19:15:51,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:15:51,131 INFO L225 Difference]: With dead ends: 40
[2019-10-13 19:15:51,131 INFO L226 Difference]: Without dead ends: 30
[2019-10-13 19:15:51,132 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2019-10-13 19:15:51,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2019-10-13 19:15:51,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26.
[2019-10-13 19:15:51,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states.
[2019-10-13 19:15:51,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions.
[2019-10-13 19:15:51,138 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 19
[2019-10-13 19:15:51,138 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:15:51,138 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions.
[2019-10-13 19:15:51,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-10-13 19:15:51,139 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions.
[2019-10-13 19:15:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2019-10-13 19:15:51,140 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 19:15:51,140 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:15:51,343 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 19:15:51,349 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:15:51,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:15:51,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1878874992, now seen corresponding path program 2 times
[2019-10-13 19:15:51,350 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 19:15:51,350 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39395718]
[2019-10-13 19:15:51,350 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:15:51,350 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:15:51,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:15:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:15:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:15:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 19:15:51,525 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39395718]
[2019-10-13 19:15:51,528 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988672213]
[2019-10-13 19:15:51,529 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 19:15:51,681 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2019-10-13 19:15:51,681 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat
[2019-10-13 19:15:51,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 9 conjunts are in the unsatisfiable core
[2019-10-13 19:15:51,688 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 19:15:51,730 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 19:15:51,731 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2019-10-13 19:15:51,731 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8
[2019-10-13 19:15:51,731 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916871532]
[2019-10-13 19:15:51,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-10-13 19:15:51,732 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 19:15:51,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-10-13 19:15:51,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2019-10-13 19:15:51,733 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 8 states.
[2019-10-13 19:15:51,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:15:51,997 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions.
[2019-10-13 19:15:51,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2019-10-13 19:15:51,998 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25
[2019-10-13 19:15:51,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:15:51,999 INFO L225 Difference]: With dead ends: 46
[2019-10-13 19:15:51,999 INFO L226 Difference]: Without dead ends: 36
[2019-10-13 19:15:52,002 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156
[2019-10-13 19:15:52,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2019-10-13 19:15:52,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32.
[2019-10-13 19:15:52,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states.
[2019-10-13 19:15:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions.
[2019-10-13 19:15:52,013 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 25
[2019-10-13 19:15:52,013 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:15:52,014 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions.
[2019-10-13 19:15:52,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-10-13 19:15:52,014 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions.
[2019-10-13 19:15:52,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2019-10-13 19:15:52,015 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 19:15:52,016 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 19:15:52,220 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 19:15:52,221 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 19:15:52,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 19:15:52,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1460832712, now seen corresponding path program 3 times
[2019-10-13 19:15:52,222 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 19:15:52,222 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882810649]
[2019-10-13 19:15:52,222 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:15:52,222 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 19:15:52,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 19:15:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:15:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 19:15:52,427 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 19:15:52,427 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882810649]
[2019-10-13 19:15:52,427 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224213387]
[2019-10-13 19:15:52,428 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 19:15:52,650 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2019-10-13 19:15:52,650 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat
[2019-10-13 19:15:52,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 21 conjunts are in the unsatisfiable core
[2019-10-13 19:15:52,658 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 19:15:52,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-13 19:15:52,782 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2019-10-13 19:15:52,783 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29
[2019-10-13 19:15:52,784 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2019-10-13 19:15:52,787 WARN L225 Elim1Store]: Array PQE input equivalent to false
[2019-10-13 19:15:52,788 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2019-10-13 19:15:52,801 INFO L567 ElimStorePlain]: treesize reduction 5, result has 78.3 percent of original size
[2019-10-13 19:15:52,802 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts.
[2019-10-13 19:15:52,803 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:62, output treesize:18
[2019-10-13 19:15:52,827 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-10-13 19:15:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2019-10-13 19:15:52,883 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2019-10-13 19:15:52,884 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2019-10-13 19:15:52,884 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151581276]
[2019-10-13 19:15:52,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states
[2019-10-13 19:15:52,885 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 19:15:52,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2019-10-13 19:15:52,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182
[2019-10-13 19:15:52,886 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 14 states.
[2019-10-13 19:15:53,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 19:15:53,694 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions.
[2019-10-13 19:15:53,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2019-10-13 19:15:53,698 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 31
[2019-10-13 19:15:53,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 19:15:53,699 INFO L225 Difference]: With dead ends: 52
[2019-10-13 19:15:53,699 INFO L226 Difference]: Without dead ends: 0
[2019-10-13 19:15:53,700 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=157, Invalid=545, Unknown=0, NotChecked=0, Total=702
[2019-10-13 19:15:53,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-13 19:15:53,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-13 19:15:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-13 19:15:53,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-13 19:15:53,701 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31
[2019-10-13 19:15:53,701 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 19:15:53,701 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-13 19:15:53,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states.
[2019-10-13 19:15:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-13 19:15:53,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-13 19:15:53,905 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 19:15:53,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2019-10-13 19:15:54,158 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 34
[2019-10-13 19:15:54,333 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 45
[2019-10-13 19:15:54,336 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 19:15:54,337 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.base| |old(#t~string0.base)|) (= ~__return_main~0 |old(~__return_main~0)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= ~Id_MCDC_93~0 |old(~Id_MCDC_93~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|))
[2019-10-13 19:15:54,337 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 19:15:54,337 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 19:15:54,337 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ~Id_MCDC_93~0 0)
[2019-10-13 19:15:54,337 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2019-10-13 19:15:54,337 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 19:15:54,338 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 222) no Hoare annotation was computed.
[2019-10-13 19:15:54,338 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 131 223) no Hoare annotation was computed.
[2019-10-13 19:15:54,338 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 215) no Hoare annotation was computed.
[2019-10-13 19:15:54,338 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 220) no Hoare annotation was computed.
[2019-10-13 19:15:54,338 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 131 223) no Hoare annotation was computed.
[2019-10-13 19:15:54,338 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 207) no Hoare annotation was computed.
[2019-10-13 19:15:54,338 INFO L443 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed.
[2019-10-13 19:15:54,339 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 191) no Hoare annotation was computed.
[2019-10-13 19:15:54,339 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 131 223) the Hoare annotation is: (or (not (= 0 |old(~Id_MCDC_93~0)|)) (and (= ~Id_MCDC_93~0 0) (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)))
[2019-10-13 19:15:54,339 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 208) no Hoare annotation was computed.
[2019-10-13 19:15:54,339 INFO L439 ceAbstractionStarter]: At program point L214(lines 180 215) the Hoare annotation is: (let ((.cse0 (= main_~Id_MCDC_89____CPAchecker_TMP_1~0 1)) (.cse1 (= |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 0)) (.cse2 (= 0 (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492)))) (.cse3 (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0))) (or (not (= 0 |old(~Id_MCDC_93~0)|)) (and .cse0 .cse1 .cse2 (<= ~Id_MCDC_93~0 1) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) .cse3) (and .cse0 .cse1 .cse2 (< (mod ~Id_MCDC_93~0 4294967296) 42) (< (mod (+ main_~Id_MCDC_89__Id_MCDC_96~0 4294967295) 4294967296) 42) .cse3)))
[2019-10-13 19:15:54,339 INFO L439 ceAbstractionStarter]: At program point L202(lines 165 221) the Hoare annotation is: (let ((.cse0 (= |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 0)) (.cse1 (= 0 (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492))))) (or (not (= 0 |old(~Id_MCDC_93~0)|)) (and .cse0 (= ~Id_MCDC_93~0 0) .cse1 (= 0 main_~Id_MCDC_89__Id_MCDC_96~0)) (let ((.cse2 (mod (+ ~Id_MCDC_93~0 4294967295) 4294967296)) (.cse3 (mod (+ main_~Id_MCDC_89__Id_MCDC_96~0 4294967295) 4294967296))) (and (not (= (* 12 .cse2) 492)) (< .cse2 42) .cse0 (not (= 492 (* 12 .cse3))) .cse1 (< .cse3 42))) (and (<= main_~Id_MCDC_89__Id_MCDC_96~0 1) .cse0 (<= 1 main_~Id_MCDC_89__Id_MCDC_96~0) .cse1 (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= ~Id_MCDC_93~0 3))))
[2019-10-13 19:15:54,348 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:15:54 BoogieIcfgContainer
[2019-10-13 19:15:54,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-10-13 19:15:54,367 INFO L168 Benchmark]: Toolchain (without parser) took 6394.06 ms. Allocated memory was 145.8 MB in the beginning and 277.3 MB in the end (delta: 131.6 MB). Free memory was 102.9 MB in the beginning and 144.1 MB in the end (delta: -41.2 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB.
[2019-10-13 19:15:54,368 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2019-10-13 19:15:54,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.31 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.7 MB in the beginning and 177.1 MB in the end (delta: -74.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB.
[2019-10-13 19:15:54,370 INFO L168 Benchmark]: Boogie Preprocessor took 70.34 ms. Allocated memory is still 203.4 MB. Free memory was 177.1 MB in the beginning and 173.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2019-10-13 19:15:54,371 INFO L168 Benchmark]: RCFGBuilder took 822.00 ms. Allocated memory is still 203.4 MB. Free memory was 173.1 MB in the beginning and 100.4 MB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 7.1 GB.
[2019-10-13 19:15:54,372 INFO L168 Benchmark]: TraceAbstraction took 4983.07 ms. Allocated memory was 203.4 MB in the beginning and 277.3 MB in the end (delta: 73.9 MB). Free memory was 100.4 MB in the beginning and 144.1 MB in the end (delta: -43.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB.
[2019-10-13 19:15:54,376 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 512.31 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.7 MB in the beginning and 177.1 MB in the end (delta: -74.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 70.34 ms. Allocated memory is still 203.4 MB. Free memory was 177.1 MB in the beginning and 173.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 822.00 ms. Allocated memory is still 203.4 MB. Free memory was 173.1 MB in the beginning and 100.4 MB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 4983.07 ms. Allocated memory was 203.4 MB in the beginning and 277.3 MB in the end (delta: 73.9 MB). Free memory was 100.4 MB in the beginning and 144.1 MB in the end (delta: -43.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
unknown boogie variable #memory_int
- GenericResult: Unfinished Backtranslation
unknown boogie variable #memory_int
- GenericResult: Unfinished Backtranslation
unknown boogie variable #memory_int
- GenericResult: Unfinished Backtranslation
unknown boogie variable #memory_int
- GenericResult: Unfinished Backtranslation
unknown boogie variable #memory_int
- GenericResult: Unfinished Backtranslation
unknown boogie variable #memory_int
- GenericResult: Unfinished Backtranslation
unknown boogie variable #memory_int
- GenericResult: Unfinished Backtranslation
unknown boogie variable #memory_int
- GenericResult: Unfinished Backtranslation
unknown boogie variable #memory_int
- GenericResult: Unfinished Backtranslation
unknown boogie variable #memory_int
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 191]: 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: 180]: Loop Invariant
[2019-10-13 19:15:54,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
Derived loop invariant: (!(0 == \old(Id_MCDC_93)) || (((((Id_MCDC_89____CPAchecker_TMP_1 == 1 && Id_MCDC_89__Id_MCDC_95 == 0) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 <= 1) && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_93 == Id_MCDC_89__Id_MCDC_96)) || (((((Id_MCDC_89____CPAchecker_TMP_1 == 1 && Id_MCDC_89__Id_MCDC_95 == 0) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 % 4294967296 < 42) && (Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 < 42) && Id_MCDC_93 == Id_MCDC_89__Id_MCDC_96)
- InvariantResult [Line: 165]: Loop Invariant
[2019-10-13 19:15:54,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
[2019-10-13 19:15:54,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int
Derived loop invariant: ((!(0 == \old(Id_MCDC_93)) || (((Id_MCDC_89__Id_MCDC_95 == 0 && Id_MCDC_93 == 0) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 0 == Id_MCDC_89__Id_MCDC_96)) || (((((!(12 * ((Id_MCDC_93 + 4294967295) % 4294967296) == 492) && (Id_MCDC_93 + 4294967295) % 4294967296 < 42) && Id_MCDC_89__Id_MCDC_95 == 0) && !(492 == 12 * ((Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296))) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && (Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 < 42)) || (((((Id_MCDC_89__Id_MCDC_96 <= 1 && Id_MCDC_89__Id_MCDC_95 == 0) && 1 <= Id_MCDC_89__Id_MCDC_96) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_93 <= 3)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 19 locations, 1 error locations. Result: SAFE, OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 64 SDtfs, 154 SDslu, 159 SDs, 0 SdLazy, 394 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=4, 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, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 18 NumberOfFragments, 221 HoareAnnotationTreeSize, 6 FomulaSimplifications, 360 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 408 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 176 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 24168 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1316 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 40/108 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...