java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/large_const_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 22:49:54,829 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 22:49:54,831 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 22:49:54,847 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 22:49:54,847 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 22:49:54,850 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 22:49:54,851 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 22:49:54,854 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 22:49:54,858 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 22:49:54,859 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 22:49:54,860 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 22:49:54,860 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 22:49:54,861 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 22:49:54,862 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 22:49:54,863 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 22:49:54,863 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 22:49:54,864 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 22:49:54,866 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 22:49:54,868 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 22:49:54,869 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 22:49:54,871 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 22:49:54,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 22:49:54,875 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-06 22:49:54,884 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 22:49:54,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 22:49:54,907 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 22:49:54,908 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 22:49:54,908 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 22:49:54,912 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 22:49:54,912 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 22:49:54,913 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 22:49:54,913 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 22:49:54,913 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 22:49:54,913 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 22:49:54,913 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 22:49:54,914 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 22:49:54,915 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 22:49:54,915 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 22:49:54,915 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 22:49:54,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 22:49:54,916 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 22:49:54,916 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 22:49:54,916 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 22:49:54,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 22:49:54,916 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 22:49:54,918 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 22:49:54,918 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 22:49:54,918 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 22:49:54,918 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 22:49:54,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 22:49:54,919 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 22:49:54,919 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 22:49:54,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 22:49:54,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 22:49:54,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 22:49:54,990 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 22:49:54,991 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 22:49:54,991 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/large_const_true-unreach-call_true-termination.i [2018-11-06 22:49:55,050 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f97801440/a4748379e7ea4cf085de83c97c31ce05/FLAG61721513b [2018-11-06 22:49:55,459 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 22:49:55,460 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/large_const_true-unreach-call_true-termination.i [2018-11-06 22:49:55,467 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f97801440/a4748379e7ea4cf085de83c97c31ce05/FLAG61721513b [2018-11-06 22:49:55,483 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f97801440/a4748379e7ea4cf085de83c97c31ce05 [2018-11-06 22:49:55,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 22:49:55,495 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 22:49:55,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 22:49:55,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 22:49:55,501 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 22:49:55,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:49:55" (1/1) ... [2018-11-06 22:49:55,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1de55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:55, skipping insertion in model container [2018-11-06 22:49:55,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:49:55" (1/1) ... [2018-11-06 22:49:55,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 22:49:55,537 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 22:49:55,722 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:49:55,726 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 22:49:55,745 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 22:49:55,759 INFO L193 MainTranslator]: Completed translation [2018-11-06 22:49:55,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:55 WrapperNode [2018-11-06 22:49:55,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 22:49:55,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 22:49:55,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 22:49:55,761 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 22:49:55,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:55" (1/1) ... [2018-11-06 22:49:55,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:55" (1/1) ... [2018-11-06 22:49:55,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 22:49:55,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 22:49:55,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 22:49:55,798 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 22:49:55,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:55" (1/1) ... [2018-11-06 22:49:55,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:55" (1/1) ... [2018-11-06 22:49:55,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:55" (1/1) ... [2018-11-06 22:49:55,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:55" (1/1) ... [2018-11-06 22:49:55,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:55" (1/1) ... [2018-11-06 22:49:55,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:55" (1/1) ... [2018-11-06 22:49:55,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:55" (1/1) ... [2018-11-06 22:49:55,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 22:49:55,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 22:49:55,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 22:49:55,820 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 22:49:55,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:55" (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 [2018-11-06 22:49:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 22:49:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 22:49:56,208 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 22:49:56,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:49:56 BoogieIcfgContainer [2018-11-06 22:49:56,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 22:49:56,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 22:49:56,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 22:49:56,213 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 22:49:56,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:49:55" (1/3) ... [2018-11-06 22:49:56,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782a9fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:49:56, skipping insertion in model container [2018-11-06 22:49:56,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:55" (2/3) ... [2018-11-06 22:49:56,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782a9fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:49:56, skipping insertion in model container [2018-11-06 22:49:56,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:49:56" (3/3) ... [2018-11-06 22:49:56,217 INFO L112 eAbstractionObserver]: Analyzing ICFG large_const_true-unreach-call_true-termination.i [2018-11-06 22:49:56,227 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 22:49:56,236 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 22:49:56,254 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 22:49:56,288 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 22:49:56,289 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 22:49:56,289 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 22:49:56,289 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 22:49:56,289 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 22:49:56,290 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 22:49:56,290 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 22:49:56,290 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 22:49:56,290 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 22:49:56,306 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-06 22:49:56,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-06 22:49:56,313 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:49:56,314 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:49:56,316 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:49:56,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:49:56,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1949157102, now seen corresponding path program 1 times [2018-11-06 22:49:56,324 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:49:56,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:49:56,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:49:56,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:49:56,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:49:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:49:56,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:49:56,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:49:56,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-06 22:49:56,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-06 22:49:56,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-06 22:49:56,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-06 22:49:56,469 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-11-06 22:49:56,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:49:56,484 INFO L93 Difference]: Finished difference Result 30 states and 40 transitions. [2018-11-06 22:49:56,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-06 22:49:56,485 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-11-06 22:49:56,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:49:56,497 INFO L225 Difference]: With dead ends: 30 [2018-11-06 22:49:56,497 INFO L226 Difference]: Without dead ends: 15 [2018-11-06 22:49:56,501 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-06 22:49:56,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-11-06 22:49:56,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-06 22:49:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-06 22:49:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2018-11-06 22:49:56,540 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 9 [2018-11-06 22:49:56,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:49:56,540 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2018-11-06 22:49:56,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-06 22:49:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-06 22:49:56,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-06 22:49:56,541 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:49:56,542 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:49:56,542 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:49:56,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:49:56,543 INFO L82 PathProgramCache]: Analyzing trace with hash -164640891, now seen corresponding path program 1 times [2018-11-06 22:49:56,543 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:49:56,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:49:56,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:49:56,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:49:56,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:49:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:49:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:49:56,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:49:56,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-06 22:49:56,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 22:49:56,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 22:49:56,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-06 22:49:56,925 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand 5 states. [2018-11-06 22:49:57,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:49:57,091 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2018-11-06 22:49:57,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-06 22:49:57,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-06 22:49:57,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:49:57,092 INFO L225 Difference]: With dead ends: 26 [2018-11-06 22:49:57,093 INFO L226 Difference]: Without dead ends: 17 [2018-11-06 22:49:57,094 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-06 22:49:57,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-06 22:49:57,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-06 22:49:57,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-06 22:49:57,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2018-11-06 22:49:57,099 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 10 [2018-11-06 22:49:57,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:49:57,099 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2018-11-06 22:49:57,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 22:49:57,100 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-11-06 22:49:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-06 22:49:57,100 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:49:57,101 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:49:57,101 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:49:57,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:49:57,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1340741308, now seen corresponding path program 1 times [2018-11-06 22:49:57,102 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:49:57,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:49:57,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:49:57,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:49:57,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:49:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:49:57,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:49:57,271 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:49:57,271 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 22:49:57,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:49:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:49:57,336 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:49:57,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:49:57,552 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 22:49:57,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-11-06 22:49:57,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-06 22:49:57,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-06 22:49:57,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-06 22:49:57,554 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand 7 states. [2018-11-06 22:49:57,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:49:57,907 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2018-11-06 22:49:57,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-06 22:49:57,909 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-11-06 22:49:57,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:49:57,910 INFO L225 Difference]: With dead ends: 38 [2018-11-06 22:49:57,910 INFO L226 Difference]: Without dead ends: 36 [2018-11-06 22:49:57,911 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-06 22:49:57,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-06 22:49:57,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 25. [2018-11-06 22:49:57,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-06 22:49:57,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2018-11-06 22:49:57,923 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 14 [2018-11-06 22:49:57,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:49:57,926 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2018-11-06 22:49:57,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-06 22:49:57,927 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2018-11-06 22:49:57,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-06 22:49:57,928 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:49:57,928 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:49:57,929 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:49:57,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:49:57,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1643880152, now seen corresponding path program 1 times [2018-11-06 22:49:57,930 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:49:57,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:49:57,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:49:57,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:49:57,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:49:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:49:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:49:58,065 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:49:58,065 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 22:49:58,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:49:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:49:58,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:49:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:49:58,184 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 22:49:58,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-11-06 22:49:58,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-06 22:49:58,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-06 22:49:58,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-06 22:49:58,186 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand 7 states. [2018-11-06 22:49:58,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:49:58,412 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2018-11-06 22:49:58,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-06 22:49:58,415 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-11-06 22:49:58,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:49:58,416 INFO L225 Difference]: With dead ends: 46 [2018-11-06 22:49:58,417 INFO L226 Difference]: Without dead ends: 44 [2018-11-06 22:49:58,417 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-06 22:49:58,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-06 22:49:58,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 32. [2018-11-06 22:49:58,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-06 22:49:58,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2018-11-06 22:49:58,425 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 15 [2018-11-06 22:49:58,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:49:58,425 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions. [2018-11-06 22:49:58,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-06 22:49:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2018-11-06 22:49:58,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-06 22:49:58,427 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:49:58,427 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:49:58,427 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:49:58,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:49:58,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1841740518, now seen corresponding path program 1 times [2018-11-06 22:49:58,428 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:49:58,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:49:58,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:49:58,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:49:58,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:49:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:49:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:49:58,782 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:49:58,783 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 22:49:58,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:49:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:49:58,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:49:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:49:58,939 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 22:49:58,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-11-06 22:49:58,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-06 22:49:58,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-06 22:49:58,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-06 22:49:58,941 INFO L87 Difference]: Start difference. First operand 32 states and 41 transitions. Second operand 7 states. [2018-11-06 22:49:59,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:49:59,110 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2018-11-06 22:49:59,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-06 22:49:59,111 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-11-06 22:49:59,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:49:59,112 INFO L225 Difference]: With dead ends: 51 [2018-11-06 22:49:59,113 INFO L226 Difference]: Without dead ends: 49 [2018-11-06 22:49:59,114 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-06 22:49:59,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-06 22:49:59,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 38. [2018-11-06 22:49:59,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-06 22:49:59,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2018-11-06 22:49:59,122 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 15 [2018-11-06 22:49:59,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:49:59,122 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2018-11-06 22:49:59,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-06 22:49:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2018-11-06 22:49:59,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-06 22:49:59,123 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:49:59,124 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:49:59,124 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:49:59,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:49:59,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1808237883, now seen corresponding path program 1 times [2018-11-06 22:49:59,125 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:49:59,125 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:49:59,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:49:59,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:49:59,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:49:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:49:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:49:59,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 22:49:59,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-06 22:49:59,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 22:49:59,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 22:49:59,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-06 22:49:59,234 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand 5 states. [2018-11-06 22:49:59,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:49:59,342 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2018-11-06 22:49:59,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-06 22:49:59,343 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-11-06 22:49:59,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:49:59,344 INFO L225 Difference]: With dead ends: 46 [2018-11-06 22:49:59,344 INFO L226 Difference]: Without dead ends: 33 [2018-11-06 22:49:59,345 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-06 22:49:59,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-06 22:49:59,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-06 22:49:59,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-06 22:49:59,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2018-11-06 22:49:59,350 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 18 [2018-11-06 22:49:59,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:49:59,350 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2018-11-06 22:49:59,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 22:49:59,351 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2018-11-06 22:49:59,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-06 22:49:59,351 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 22:49:59,352 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 22:49:59,352 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 22:49:59,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 22:49:59,352 INFO L82 PathProgramCache]: Analyzing trace with hash 959789569, now seen corresponding path program 1 times [2018-11-06 22:49:59,352 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 22:49:59,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 22:49:59,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:49:59,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:49:59,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 22:49:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:49:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:49:59,410 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 22:49:59,410 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 22:49:59,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 22:49:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 22:49:59,440 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 22:49:59,475 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 22:49:59,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 22:49:59,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-06 22:49:59,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-06 22:49:59,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-06 22:49:59,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-06 22:49:59,498 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand 6 states. [2018-11-06 22:49:59,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 22:49:59,525 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2018-11-06 22:49:59,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-06 22:49:59,528 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-11-06 22:49:59,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 22:49:59,528 INFO L225 Difference]: With dead ends: 39 [2018-11-06 22:49:59,528 INFO L226 Difference]: Without dead ends: 0 [2018-11-06 22:49:59,529 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-06 22:49:59,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-06 22:49:59,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-06 22:49:59,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-06 22:49:59,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-06 22:49:59,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-11-06 22:49:59,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 22:49:59,530 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-06 22:49:59,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-06 22:49:59,530 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-06 22:49:59,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-06 22:49:59,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-06 22:49:59,923 WARN L179 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2018-11-06 22:50:00,120 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2018-11-06 22:50:00,123 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-11-06 22:50:00,123 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-11-06 22:50:00,123 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 32 36) no Hoare annotation was computed. [2018-11-06 22:50:00,123 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-11-06 22:50:00,124 INFO L421 ceAbstractionStarter]: At program point L32-3(lines 32 36) the Hoare annotation is: (let ((.cse0 (<= 2000 ULTIMATE.start_main_~c2~0)) (.cse1 (<= 10000 ULTIMATE.start_main_~c3~0)) (.cse4 (<= 4000 ULTIMATE.start_main_~c1~0)) (.cse2 (<= ULTIMATE.start_main_~n~0 1)) (.cse3 (<= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~j~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (and .cse0 .cse1 (<= 2000 ULTIMATE.start_main_~k~0) .cse4) .cse2 (<= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~j~0 1))) (and (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 0) .cse3))) [2018-11-06 22:50:00,124 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-06 22:50:00,124 INFO L425 ceAbstractionStarter]: For program point L32-4(lines 32 36) no Hoare annotation was computed. [2018-11-06 22:50:00,125 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-11-06 22:50:00,125 INFO L425 ceAbstractionStarter]: For program point L20-1(lines 20 30) no Hoare annotation was computed. [2018-11-06 22:50:00,125 INFO L425 ceAbstractionStarter]: For program point L20-3(lines 20 30) no Hoare annotation was computed. [2018-11-06 22:50:00,125 INFO L428 ceAbstractionStarter]: At program point L37(lines 10 38) the Hoare annotation is: true [2018-11-06 22:50:00,125 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-06 22:50:00,125 INFO L421 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: (and (<= 2000 ULTIMATE.start_main_~c2~0) (<= 10000 ULTIMATE.start_main_~c3~0) (<= ULTIMATE.start_main_~n~0 1) (<= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~j~0 1)) (<= 4000 ULTIMATE.start_main_~c1~0)) [2018-11-06 22:50:00,126 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-06 22:50:00,126 INFO L425 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-11-06 22:50:00,126 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-06 22:50:00,126 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-06 22:50:00,126 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 29) no Hoare annotation was computed. [2018-11-06 22:50:00,127 INFO L421 ceAbstractionStarter]: At program point L26-2(lines 20 30) the Hoare annotation is: (let ((.cse0 (<= 2000 ULTIMATE.start_main_~c2~0)) (.cse1 (<= 10000 ULTIMATE.start_main_~c3~0)) (.cse2 (<= 4000 ULTIMATE.start_main_~c1~0))) (or (and (<= ULTIMATE.start_main_~i~0 0) (<= 0 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse2 (<= 0 ULTIMATE.start_main_~i~0)) (and (<= 1 ULTIMATE.start_main_~i~0) .cse0 .cse1 (<= 2000 ULTIMATE.start_main_~k~0) (<= ULTIMATE.start_main_~n~0 1) .cse2))) [2018-11-06 22:50:00,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:50:00 BoogieIcfgContainer [2018-11-06 22:50:00,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 22:50:00,160 INFO L168 Benchmark]: Toolchain (without parser) took 4666.13 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 723.5 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -543.3 MB). Peak memory consumption was 180.2 MB. Max. memory is 7.1 GB. [2018-11-06 22:50:00,162 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 22:50:00,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-06 22:50:00,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.81 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 22:50:00,166 INFO L168 Benchmark]: Boogie Preprocessor took 21.05 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 22:50:00,168 INFO L168 Benchmark]: RCFGBuilder took 389.69 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 723.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2018-11-06 22:50:00,170 INFO L168 Benchmark]: TraceAbstraction took 3947.75 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 213.7 MB). Peak memory consumption was 213.7 MB. Max. memory is 7.1 GB. [2018-11-06 22:50:00,177 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 263.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.81 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.05 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 389.69 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 723.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3947.75 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 213.7 MB). Peak memory consumption was 213.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: (((2000 <= c2 && 10000 <= c3) && n <= 1) && n <= j + 1) && 4000 <= c1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((2000 <= c2 && 10000 <= c3) && n <= 1) && n <= j) && 4000 <= c1) || (((((2000 <= c2 && 10000 <= c3) && 2000 <= k) && 4000 <= c1) && n <= 1) && n <= j + 1)) || ((i <= 0 && n <= 0) && n <= j) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((i <= 0 && 0 <= k) && 2000 <= c2) && 10000 <= c3) && 4000 <= c1) && 0 <= i) || (((((1 <= i && 2000 <= c2) && 10000 <= c3) && 2000 <= k) && n <= 1) && 4000 <= c1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 136 SDtfs, 167 SDslu, 202 SDs, 0 SdLazy, 179 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 66 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 34 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 13 NumberOfFragments, 108 HoareAnnotationTreeSize, 4 FomulaSimplifications, 359 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 103 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 6486 SizeOfPredicates, 13 NumberOfNonLiveVariables, 239 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 19/33 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...