java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label00_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 14:21:24,078 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 14:21:24,080 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 14:21:24,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 14:21:24,093 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 14:21:24,094 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 14:21:24,095 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 14:21:24,097 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 14:21:24,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 14:21:24,099 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 14:21:24,100 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 14:21:24,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 14:21:24,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 14:21:24,103 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 14:21:24,104 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 14:21:24,105 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 14:21:24,106 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 14:21:24,107 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 14:21:24,109 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 14:21:24,111 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 14:21:24,112 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 14:21:24,113 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 14:21:24,116 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 14:21:24,116 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 14:21:24,116 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 14:21:24,117 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 14:21:24,118 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 14:21:24,119 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 14:21:24,120 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 14:21:24,121 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 14:21:24,121 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 14:21:24,122 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 14:21:24,126 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 14:21:24,153 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 14:21:24,153 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 14:21:24,154 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 14:21:24,154 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 14:21:24,155 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 14:21:24,155 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 14:21:24,155 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 14:21:24,156 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 14:21:24,156 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 14:21:24,156 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 14:21:24,156 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 14:21:24,156 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 14:21:24,156 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 14:21:24,157 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 14:21:24,157 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 14:21:24,157 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 14:21:24,157 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 14:21:24,157 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 14:21:24,158 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 14:21:24,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 14:21:24,158 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 14:21:24,158 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 14:21:24,158 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 14:21:24,159 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 14:21:24,159 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 14:21:24,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 14:21:24,159 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 14:21:24,159 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 14:21:24,206 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 14:21:24,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 14:21:24,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 14:21:24,230 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 14:21:24,231 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 14:21:24,231 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label00_false-unreach-call.c [2018-10-24 14:21:24,298 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d2c821e83/19227ff73c974f15ad931f947fb6d8ba/FLAGa7fe5e44f [2018-10-24 14:21:24,953 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 14:21:24,954 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label00_false-unreach-call.c [2018-10-24 14:21:24,975 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d2c821e83/19227ff73c974f15ad931f947fb6d8ba/FLAGa7fe5e44f [2018-10-24 14:21:24,991 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d2c821e83/19227ff73c974f15ad931f947fb6d8ba [2018-10-24 14:21:25,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 14:21:25,003 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 14:21:25,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 14:21:25,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 14:21:25,008 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 14:21:25,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:21:24" (1/1) ... [2018-10-24 14:21:25,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48086b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:25, skipping insertion in model container [2018-10-24 14:21:25,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:21:24" (1/1) ... [2018-10-24 14:21:25,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 14:21:25,100 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 14:21:25,857 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:21:25,867 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 14:21:26,155 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:21:26,179 INFO L193 MainTranslator]: Completed translation [2018-10-24 14:21:26,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:26 WrapperNode [2018-10-24 14:21:26,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 14:21:26,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 14:21:26,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 14:21:26,181 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 14:21:26,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:26" (1/1) ... [2018-10-24 14:21:26,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:26" (1/1) ... [2018-10-24 14:21:26,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 14:21:26,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 14:21:26,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 14:21:26,503 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 14:21:26,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:26" (1/1) ... [2018-10-24 14:21:26,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:26" (1/1) ... [2018-10-24 14:21:26,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:26" (1/1) ... [2018-10-24 14:21:26,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:26" (1/1) ... [2018-10-24 14:21:26,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:26" (1/1) ... [2018-10-24 14:21:26,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:26" (1/1) ... [2018-10-24 14:21:26,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:26" (1/1) ... [2018-10-24 14:21:26,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 14:21:26,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 14:21:26,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 14:21:26,673 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 14:21:26,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 14:21:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 14:21:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 14:21:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 14:21:33,426 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 14:21:33,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:21:33 BoogieIcfgContainer [2018-10-24 14:21:33,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 14:21:33,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 14:21:33,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 14:21:33,433 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 14:21:33,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:21:24" (1/3) ... [2018-10-24 14:21:33,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9ad30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:21:33, skipping insertion in model container [2018-10-24 14:21:33,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:26" (2/3) ... [2018-10-24 14:21:33,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9ad30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:21:33, skipping insertion in model container [2018-10-24 14:21:33,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:21:33" (3/3) ... [2018-10-24 14:21:33,437 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label00_false-unreach-call.c [2018-10-24 14:21:33,449 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 14:21:33,466 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 14:21:33,488 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 14:21:33,540 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 14:21:33,541 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 14:21:33,541 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 14:21:33,541 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 14:21:33,541 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 14:21:33,541 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 14:21:33,542 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 14:21:33,542 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 14:21:33,542 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 14:21:33,573 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2018-10-24 14:21:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-24 14:21:33,581 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:21:33,582 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:21:33,585 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:21:33,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:21:33,592 INFO L82 PathProgramCache]: Analyzing trace with hash 682595178, now seen corresponding path program 1 times [2018-10-24 14:21:33,593 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:21:33,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:21:33,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:21:33,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:21:33,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:21:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:21:34,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:21:34,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:21:34,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:21:34,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:21:34,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:21:34,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:21:34,033 INFO L87 Difference]: Start difference. First operand 397 states. Second operand 4 states. [2018-10-24 14:21:40,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:21:40,727 INFO L93 Difference]: Finished difference Result 1458 states and 2766 transitions. [2018-10-24 14:21:40,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:21:40,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-10-24 14:21:40,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:21:40,758 INFO L225 Difference]: With dead ends: 1458 [2018-10-24 14:21:40,759 INFO L226 Difference]: Without dead ends: 1054 [2018-10-24 14:21:40,765 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:21:40,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2018-10-24 14:21:40,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1054. [2018-10-24 14:21:40,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1054 states. [2018-10-24 14:21:40,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1744 transitions. [2018-10-24 14:21:40,877 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1744 transitions. Word has length 22 [2018-10-24 14:21:40,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:21:40,878 INFO L481 AbstractCegarLoop]: Abstraction has 1054 states and 1744 transitions. [2018-10-24 14:21:40,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:21:40,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1744 transitions. [2018-10-24 14:21:40,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-24 14:21:40,884 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:21:40,884 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:21:40,885 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:21:40,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:21:40,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1322096127, now seen corresponding path program 1 times [2018-10-24 14:21:40,887 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:21:40,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:21:40,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:21:40,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:21:40,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:21:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:21:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:21:41,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:21:41,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:21:41,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:21:41,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:21:41,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:21:41,226 INFO L87 Difference]: Start difference. First operand 1054 states and 1744 transitions. Second operand 4 states. [2018-10-24 14:21:47,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:21:47,122 INFO L93 Difference]: Finished difference Result 4102 states and 6863 transitions. [2018-10-24 14:21:47,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:21:47,122 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-10-24 14:21:47,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:21:47,140 INFO L225 Difference]: With dead ends: 4102 [2018-10-24 14:21:47,140 INFO L226 Difference]: Without dead ends: 3050 [2018-10-24 14:21:47,146 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:21:47,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3050 states. [2018-10-24 14:21:47,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3050 to 2044. [2018-10-24 14:21:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2044 states. [2018-10-24 14:21:47,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 2044 states and 3225 transitions. [2018-10-24 14:21:47,209 INFO L78 Accepts]: Start accepts. Automaton has 2044 states and 3225 transitions. Word has length 94 [2018-10-24 14:21:47,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:21:47,210 INFO L481 AbstractCegarLoop]: Abstraction has 2044 states and 3225 transitions. [2018-10-24 14:21:47,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:21:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 3225 transitions. [2018-10-24 14:21:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-24 14:21:47,213 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:21:47,214 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:21:47,214 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:21:47,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:21:47,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1503220041, now seen corresponding path program 1 times [2018-10-24 14:21:47,215 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:21:47,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:21:47,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:21:47,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:21:47,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:21:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:21:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:21:47,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:21:47,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:21:47,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:21:47,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:21:47,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:21:47,328 INFO L87 Difference]: Start difference. First operand 2044 states and 3225 transitions. Second operand 4 states. [2018-10-24 14:21:52,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:21:52,355 INFO L93 Difference]: Finished difference Result 4746 states and 7314 transitions. [2018-10-24 14:21:52,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:21:52,358 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-10-24 14:21:52,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:21:52,371 INFO L225 Difference]: With dead ends: 4746 [2018-10-24 14:21:52,372 INFO L226 Difference]: Without dead ends: 2704 [2018-10-24 14:21:52,375 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:21:52,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2018-10-24 14:21:52,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 2704. [2018-10-24 14:21:52,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2704 states. [2018-10-24 14:21:52,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3767 transitions. [2018-10-24 14:21:52,427 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3767 transitions. Word has length 98 [2018-10-24 14:21:52,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:21:52,428 INFO L481 AbstractCegarLoop]: Abstraction has 2704 states and 3767 transitions. [2018-10-24 14:21:52,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:21:52,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3767 transitions. [2018-10-24 14:21:52,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-24 14:21:52,433 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:21:52,437 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:21:52,437 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:21:52,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:21:52,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1510087897, now seen corresponding path program 1 times [2018-10-24 14:21:52,438 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:21:52,438 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:21:52,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:21:52,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:21:52,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:21:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:21:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:21:52,670 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 14:21:52,670 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 14:21:52,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:21:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:21:52,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 14:21:53,040 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:21:53,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 14:21:53,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-10-24 14:21:53,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 14:21:53,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 14:21:53,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-24 14:21:53,074 INFO L87 Difference]: Start difference. First operand 2704 states and 3767 transitions. Second operand 5 states. Received shutdown request... [2018-10-24 14:26:02,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 14:26:02,398 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 14:26:02,403 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 14:26:02,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:26:02 BoogieIcfgContainer [2018-10-24 14:26:02,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 14:26:02,405 INFO L168 Benchmark]: Toolchain (without parser) took 277403.13 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -452.9 MB). Peak memory consumption was 631.4 MB. Max. memory is 7.1 GB. [2018-10-24 14:26:02,410 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-10-24 14:26:02,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1176.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-10-24 14:26:02,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 321.79 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 735.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -847.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2018-10-24 14:26:02,414 INFO L168 Benchmark]: Boogie Preprocessor took 170.23 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2018-10-24 14:26:02,415 INFO L168 Benchmark]: RCFGBuilder took 6755.94 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 274.5 MB). Peak memory consumption was 274.5 MB. Max. memory is 7.1 GB. [2018-10-24 14:26:02,416 INFO L168 Benchmark]: TraceAbstraction took 268974.31 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 349.2 MB). Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 32.3 MB). Peak memory consumption was 381.5 MB. Max. memory is 7.1 GB. [2018-10-24 14:26:02,423 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 1176.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 321.79 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 735.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -847.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 170.23 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6755.94 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 274.5 MB). Peak memory consumption was 274.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 268974.31 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 349.2 MB). Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 32.3 MB). Peak memory consumption was 381.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 70). Cancelled while BasicCegarLoop was constructing difference of abstraction (2704states) and FLOYD_HOARE automaton (currently 5 states, 5 states before enhancement),while ReachableStatesComputation was computing reachable states (5558 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 397 locations, 1 error locations. TIMEOUT Result, 268.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 267.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 676 SDtfs, 3489 SDslu, 389 SDs, 0 SdLazy, 7521 SolverSat, 2145 SolverUnsat, 114 SolverUnknown, 0 SolverNotchecked, 262.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2704occurred in iteration=3, 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: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 1006 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 434 NumberOfCodeBlocks, 434 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 429 ConstructedInterpolants, 20 QuantifiedInterpolants, 197723 SizeOfPredicates, 1 NumberOfNonLiveVariables, 171 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 57/76 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown