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 0.1.23-0fd1304 [2018-10-23 18:17:42,387 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 18:17:42,389 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 18:17:42,402 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 18:17:42,402 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 18:17:42,403 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 18:17:42,404 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 18:17:42,406 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 18:17:42,408 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 18:17:42,409 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 18:17:42,410 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 18:17:42,410 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 18:17:42,411 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 18:17:42,412 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 18:17:42,416 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 18:17:42,417 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 18:17:42,418 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 18:17:42,422 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 18:17:42,433 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 18:17:42,438 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 18:17:42,439 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 18:17:42,443 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 18:17:42,446 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 18:17:42,446 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 18:17:42,446 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 18:17:42,447 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 18:17:42,450 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 18:17:42,451 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 18:17:42,452 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 18:17:42,455 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 18:17:42,456 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 18:17:42,457 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-23 18:17:42,461 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 [2018-10-23 18:17:42,489 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 18:17:42,490 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 18:17:42,490 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 18:17:42,491 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 18:17:42,492 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 18:17:42,492 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 18:17:42,493 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 18:17:42,493 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 18:17:42,493 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 18:17:42,493 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 18:17:42,493 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 18:17:42,494 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 18:17:42,495 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 18:17:42,495 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 18:17:42,495 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 18:17:42,495 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 18:17:42,497 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 18:17:42,497 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 18:17:42,497 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 18:17:42,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 18:17:42,497 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 18:17:42,498 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 18:17:42,498 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 18:17:42,498 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 18:17:42,498 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 18:17:42,498 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 18:17:42,499 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 18:17:42,499 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 18:17:42,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 18:17:42,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 18:17:42,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 18:17:42,566 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 18:17:42,567 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 18:17:42,567 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label00_false-unreach-call.c [2018-10-23 18:17:42,632 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/837fe916d/15e78c675b514b7989a61fb332fc4132/FLAG67a51d9d3 [2018-10-23 18:17:43,276 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 18:17:43,277 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label00_false-unreach-call.c [2018-10-23 18:17:43,300 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/837fe916d/15e78c675b514b7989a61fb332fc4132/FLAG67a51d9d3 [2018-10-23 18:17:43,321 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/837fe916d/15e78c675b514b7989a61fb332fc4132 [2018-10-23 18:17:43,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 18:17:43,336 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 18:17:43,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 18:17:43,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 18:17:43,341 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 18:17:43,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:17:43" (1/1) ... [2018-10-23 18:17:43,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c416ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:17:43, skipping insertion in model container [2018-10-23 18:17:43,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:17:43" (1/1) ... [2018-10-23 18:17:43,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 18:17:43,462 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 18:17:44,254 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 18:17:44,262 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 18:17:44,539 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 18:17:44,559 INFO L193 MainTranslator]: Completed translation [2018-10-23 18:17:44,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:17:44 WrapperNode [2018-10-23 18:17:44,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 18:17:44,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 18:17:44,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 18:17:44,561 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 18:17:44,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:17:44" (1/1) ... [2018-10-23 18:17:44,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:17:44" (1/1) ... [2018-10-23 18:17:44,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 18:17:44,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 18:17:44,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 18:17:44,884 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 18:17:44,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:17:44" (1/1) ... [2018-10-23 18:17:44,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:17:44" (1/1) ... [2018-10-23 18:17:44,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:17:44" (1/1) ... [2018-10-23 18:17:44,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:17:44" (1/1) ... [2018-10-23 18:17:44,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:17:44" (1/1) ... [2018-10-23 18:17:45,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:17:44" (1/1) ... [2018-10-23 18:17:45,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:17:44" (1/1) ... [2018-10-23 18:17:45,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 18:17:45,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 18:17:45,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 18:17:45,057 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 18:17:45,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:17:44" (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 [2018-10-23 18:17:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 18:17:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 18:17:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 18:17:51,230 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 18:17:51,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:17:51 BoogieIcfgContainer [2018-10-23 18:17:51,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 18:17:51,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 18:17:51,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 18:17:51,235 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 18:17:51,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:17:43" (1/3) ... [2018-10-23 18:17:51,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464cb217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:17:51, skipping insertion in model container [2018-10-23 18:17:51,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:17:44" (2/3) ... [2018-10-23 18:17:51,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464cb217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:17:51, skipping insertion in model container [2018-10-23 18:17:51,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:17:51" (3/3) ... [2018-10-23 18:17:51,239 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label00_false-unreach-call.c [2018-10-23 18:17:51,249 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 18:17:51,258 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 18:17:51,276 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 18:17:51,316 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 18:17:51,317 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 18:17:51,317 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 18:17:51,317 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 18:17:51,318 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 18:17:51,318 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 18:17:51,318 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 18:17:51,318 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 18:17:51,318 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 18:17:51,351 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2018-10-23 18:17:51,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-23 18:17:51,368 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:17:51,369 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] [2018-10-23 18:17:51,372 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:17:51,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:17:51,378 INFO L82 PathProgramCache]: Analyzing trace with hash 682595178, now seen corresponding path program 1 times [2018-10-23 18:17:51,380 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:17:51,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:17:51,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:17:51,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:17:51,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:17:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:17:51,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:17:51,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:17:51,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:17:51,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:17:51,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:17:51,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:17:51,821 INFO L87 Difference]: Start difference. First operand 397 states. Second operand 4 states. [2018-10-23 18:17:58,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:17:58,764 INFO L93 Difference]: Finished difference Result 1458 states and 2766 transitions. [2018-10-23 18:17:58,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:17:58,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-10-23 18:17:58,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:17:58,802 INFO L225 Difference]: With dead ends: 1458 [2018-10-23 18:17:58,803 INFO L226 Difference]: Without dead ends: 1054 [2018-10-23 18:17:58,812 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:17:58,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2018-10-23 18:17:58,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1054. [2018-10-23 18:17:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1054 states. [2018-10-23 18:17:58,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1744 transitions. [2018-10-23 18:17:58,920 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1744 transitions. Word has length 22 [2018-10-23 18:17:58,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:17:58,921 INFO L481 AbstractCegarLoop]: Abstraction has 1054 states and 1744 transitions. [2018-10-23 18:17:58,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:17:58,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1744 transitions. [2018-10-23 18:17:58,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-23 18:17:58,925 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:17:58,926 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] [2018-10-23 18:17:58,926 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:17:58,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:17:58,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1322096127, now seen corresponding path program 1 times [2018-10-23 18:17:58,927 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:17:58,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:17:58,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:17:58,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:17:58,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:17:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:17:59,300 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:17:59,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:17:59,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:17:59,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:17:59,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:17:59,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:17:59,305 INFO L87 Difference]: Start difference. First operand 1054 states and 1744 transitions. Second operand 4 states. [2018-10-23 18:18:05,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:18:05,438 INFO L93 Difference]: Finished difference Result 4102 states and 6863 transitions. [2018-10-23 18:18:05,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:18:05,438 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-10-23 18:18:05,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:18:05,456 INFO L225 Difference]: With dead ends: 4102 [2018-10-23 18:18:05,457 INFO L226 Difference]: Without dead ends: 3050 [2018-10-23 18:18:05,461 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 [2018-10-23 18:18:05,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3050 states. [2018-10-23 18:18:05,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3050 to 2044. [2018-10-23 18:18:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2044 states. [2018-10-23 18:18:05,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 2044 states and 3225 transitions. [2018-10-23 18:18:05,525 INFO L78 Accepts]: Start accepts. Automaton has 2044 states and 3225 transitions. Word has length 94 [2018-10-23 18:18:05,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:18:05,526 INFO L481 AbstractCegarLoop]: Abstraction has 2044 states and 3225 transitions. [2018-10-23 18:18:05,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:18:05,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 3225 transitions. [2018-10-23 18:18:05,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-23 18:18:05,530 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:18:05,531 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] [2018-10-23 18:18:05,531 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:18:05,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:18:05,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1503220041, now seen corresponding path program 1 times [2018-10-23 18:18:05,532 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:18:05,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:18:05,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:18:05,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:18:05,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:18:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:18:05,713 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:18:05,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:18:05,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:18:05,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:18:05,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:18:05,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:18:05,715 INFO L87 Difference]: Start difference. First operand 2044 states and 3225 transitions. Second operand 4 states. [2018-10-23 18:18:10,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:18:10,266 INFO L93 Difference]: Finished difference Result 4746 states and 7314 transitions. [2018-10-23 18:18:10,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:18:10,267 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-10-23 18:18:10,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:18:10,281 INFO L225 Difference]: With dead ends: 4746 [2018-10-23 18:18:10,281 INFO L226 Difference]: Without dead ends: 2704 [2018-10-23 18:18:10,284 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 [2018-10-23 18:18:10,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2018-10-23 18:18:10,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 2704. [2018-10-23 18:18:10,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2704 states. [2018-10-23 18:18:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3767 transitions. [2018-10-23 18:18:10,337 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3767 transitions. Word has length 98 [2018-10-23 18:18:10,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:18:10,337 INFO L481 AbstractCegarLoop]: Abstraction has 2704 states and 3767 transitions. [2018-10-23 18:18:10,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:18:10,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3767 transitions. [2018-10-23 18:18:10,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-23 18:18:10,340 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:18:10,340 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] [2018-10-23 18:18:10,340 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:18:10,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:18:10,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1510087897, now seen corresponding path program 1 times [2018-10-23 18:18:10,341 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:18:10,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:18:10,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:18:10,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:18:10,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:18:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:18:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:18:10,616 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 18:18:10,616 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 [2018-10-23 18:18:10,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:18:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:18:10,715 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 18:18:11,046 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:18:11,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 18:18:11,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-10-23 18:18:11,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 18:18:11,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 18:18:11,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-23 18:18:11,083 INFO L87 Difference]: Start difference. First operand 2704 states and 3767 transitions. Second operand 5 states. Received shutdown request... [2018-10-23 18:22:20,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 18:22:20,921 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 18:22:20,927 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 18:22:20,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:22:20 BoogieIcfgContainer [2018-10-23 18:22:20,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 18:22:20,928 INFO L168 Benchmark]: Toolchain (without parser) took 277593.65 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: -424.6 MB). Peak memory consumption was 640.7 MB. Max. memory is 7.1 GB. [2018-10-23 18:22:20,930 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. [2018-10-23 18:22:20,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1223.42 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-23 18:22:20,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 322.90 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 726.1 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -823.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2018-10-23 18:22:20,933 INFO L168 Benchmark]: Boogie Preprocessor took 172.19 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2018-10-23 18:22:20,934 INFO L168 Benchmark]: RCFGBuilder took 6174.43 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 261.0 MB). Peak memory consumption was 261.0 MB. Max. memory is 7.1 GB. [2018-10-23 18:22:20,935 INFO L168 Benchmark]: TraceAbstraction took 269695.84 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 339.2 MB). Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 39.5 MB). Peak memory consumption was 378.7 MB. Max. memory is 7.1 GB. [2018-10-23 18:22:20,940 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 1223.42 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 322.90 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 726.1 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -823.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 172.19 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6174.43 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 261.0 MB). Peak memory consumption was 261.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 269695.84 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 339.2 MB). Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 39.5 MB). Peak memory consumption was 378.7 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 (5868 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 397 locations, 1 error locations. TIMEOUT Result, 269.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 267.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 678 SDtfs, 3508 SDslu, 390 SDs, 0 SdLazy, 7572 SolverSat, 2168 SolverUnsat, 115 SolverUnknown, 0 SolverNotchecked, 262.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s 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, 0.2s SatisfiabilityAnalysisTime, 1.2s 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