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/Problem19_label19_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 18:38:56,042 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 18:38:56,044 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 18:38:56,062 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 18:38:56,064 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 18:38:56,065 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 18:38:56,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 18:38:56,069 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 18:38:56,072 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 18:38:56,073 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 18:38:56,081 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 18:38:56,081 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 18:38:56,083 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 18:38:56,086 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 18:38:56,089 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 18:38:56,090 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 18:38:56,091 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 18:38:56,095 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 18:38:56,100 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 18:38:56,101 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 18:38:56,102 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 18:38:56,104 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 18:38:56,109 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 18:38:56,109 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 18:38:56,109 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 18:38:56,110 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 18:38:56,111 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 18:38:56,112 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 18:38:56,116 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 18:38:56,117 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 18:38:56,117 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 18:38:56,119 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-23 18:38:56,121 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 18:38:56,150 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 18:38:56,151 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 18:38:56,152 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 18:38:56,153 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 18:38:56,153 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 18:38:56,154 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 18:38:56,155 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 18:38:56,155 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 18:38:56,155 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 18:38:56,155 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 18:38:56,155 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 18:38:56,156 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 18:38:56,156 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 18:38:56,156 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 18:38:56,156 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 18:38:56,156 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 18:38:56,156 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 18:38:56,157 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 18:38:56,157 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 18:38:56,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 18:38:56,158 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 18:38:56,158 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 18:38:56,158 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 18:38:56,158 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 18:38:56,159 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 18:38:56,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 18:38:56,159 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 18:38:56,159 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 18:38:56,213 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 18:38:56,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 18:38:56,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 18:38:56,237 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 18:38:56,239 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 18:38:56,240 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label19_false-unreach-call.c [2018-10-23 18:38:56,312 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c3d6110a3/7a627f4a203941df9e66b77b4a935adc/FLAG44aaa3dc0 [2018-10-23 18:38:57,274 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 18:38:57,275 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label19_false-unreach-call.c [2018-10-23 18:38:57,323 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c3d6110a3/7a627f4a203941df9e66b77b4a935adc/FLAG44aaa3dc0 [2018-10-23 18:38:57,341 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c3d6110a3/7a627f4a203941df9e66b77b4a935adc [2018-10-23 18:38:57,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 18:38:57,355 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 18:38:57,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 18:38:57,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 18:38:57,361 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 18:38:57,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:38:57" (1/1) ... [2018-10-23 18:38:57,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8de4687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:57, skipping insertion in model container [2018-10-23 18:38:57,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:38:57" (1/1) ... [2018-10-23 18:38:57,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 18:38:57,629 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 18:38:59,476 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 18:38:59,482 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 18:39:00,548 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 18:39:00,607 INFO L193 MainTranslator]: Completed translation [2018-10-23 18:39:00,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:00 WrapperNode [2018-10-23 18:39:00,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 18:39:00,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 18:39:00,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 18:39:00,609 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 18:39:00,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:00" (1/1) ... [2018-10-23 18:39:00,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:00" (1/1) ... [2018-10-23 18:39:01,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 18:39:01,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 18:39:01,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 18:39:01,801 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 18:39:01,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:00" (1/1) ... [2018-10-23 18:39:01,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:00" (1/1) ... [2018-10-23 18:39:01,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:00" (1/1) ... [2018-10-23 18:39:01,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:00" (1/1) ... [2018-10-23 18:39:02,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:00" (1/1) ... [2018-10-23 18:39:02,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:00" (1/1) ... [2018-10-23 18:39:02,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:00" (1/1) ... [2018-10-23 18:39:02,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 18:39:02,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 18:39:02,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 18:39:02,807 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 18:39:02,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:00" (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 18:39:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 18:39:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 18:39:02,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 18:39:20,426 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 18:39:20,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:39:20 BoogieIcfgContainer [2018-10-23 18:39:20,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 18:39:20,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 18:39:20,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 18:39:20,434 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 18:39:20,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:38:57" (1/3) ... [2018-10-23 18:39:20,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7476a46b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:39:20, skipping insertion in model container [2018-10-23 18:39:20,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:00" (2/3) ... [2018-10-23 18:39:20,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7476a46b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:39:20, skipping insertion in model container [2018-10-23 18:39:20,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:39:20" (3/3) ... [2018-10-23 18:39:20,440 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label19_false-unreach-call.c [2018-10-23 18:39:20,448 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 18:39:20,458 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 18:39:20,476 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 18:39:20,532 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 18:39:20,533 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 18:39:20,533 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 18:39:20,533 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 18:39:20,533 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 18:39:20,533 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 18:39:20,533 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 18:39:20,533 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 18:39:20,533 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 18:39:20,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-10-23 18:39:20,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-23 18:39:20,592 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:39:20,593 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, 1, 1, 1] [2018-10-23 18:39:20,596 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:39:20,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:39:20,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1473047758, now seen corresponding path program 1 times [2018-10-23 18:39:20,605 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:39:20,606 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:39:20,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:39:20,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:39:20,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:39:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:39:21,022 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 18:39:21,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:39:21,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:39:21,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:39:21,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:39:21,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:39:21,049 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-10-23 18:39:45,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:39:45,164 INFO L93 Difference]: Finished difference Result 6326 states and 12083 transitions. [2018-10-23 18:39:45,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:39:45,167 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-10-23 18:39:45,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:39:45,221 INFO L225 Difference]: With dead ends: 6326 [2018-10-23 18:39:45,221 INFO L226 Difference]: Without dead ends: 4570 [2018-10-23 18:39:45,231 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 18:39:45,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4570 states. [2018-10-23 18:39:45,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4570 to 4565. [2018-10-23 18:39:45,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4565 states. [2018-10-23 18:39:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 4565 states and 7758 transitions. [2018-10-23 18:39:45,586 INFO L78 Accepts]: Start accepts. Automaton has 4565 states and 7758 transitions. Word has length 25 [2018-10-23 18:39:45,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:39:45,586 INFO L481 AbstractCegarLoop]: Abstraction has 4565 states and 7758 transitions. [2018-10-23 18:39:45,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:39:45,587 INFO L276 IsEmpty]: Start isEmpty. Operand 4565 states and 7758 transitions. [2018-10-23 18:39:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-23 18:39:45,593 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:39:45,596 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2018-10-23 18:39:45,596 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:39:45,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:39:45,598 INFO L82 PathProgramCache]: Analyzing trace with hash 407851159, now seen corresponding path program 1 times [2018-10-23 18:39:45,598 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:39:45,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:39:45,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:39:45,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:39:45,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:39:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:39:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:39:45,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:39:45,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:39:45,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:39:45,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:39:45,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:39:45,900 INFO L87 Difference]: Start difference. First operand 4565 states and 7758 transitions. Second operand 4 states. [2018-10-23 18:40:08,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:40:08,926 INFO L93 Difference]: Finished difference Result 17446 states and 29978 transitions. [2018-10-23 18:40:08,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:40:08,927 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2018-10-23 18:40:08,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:40:08,985 INFO L225 Difference]: With dead ends: 17446 [2018-10-23 18:40:08,986 INFO L226 Difference]: Without dead ends: 12883 [2018-10-23 18:40:08,994 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 18:40:09,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12883 states. [2018-10-23 18:40:09,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12883 to 12842. [2018-10-23 18:40:09,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12842 states. [2018-10-23 18:40:09,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12842 states to 12842 states and 18654 transitions. [2018-10-23 18:40:09,255 INFO L78 Accepts]: Start accepts. Automaton has 12842 states and 18654 transitions. Word has length 111 [2018-10-23 18:40:09,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:40:09,256 INFO L481 AbstractCegarLoop]: Abstraction has 12842 states and 18654 transitions. [2018-10-23 18:40:09,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:40:09,256 INFO L276 IsEmpty]: Start isEmpty. Operand 12842 states and 18654 transitions. [2018-10-23 18:40:09,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-23 18:40:09,273 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:40:09,274 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 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 18:40:09,276 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:40:09,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:40:09,276 INFO L82 PathProgramCache]: Analyzing trace with hash 368224838, now seen corresponding path program 1 times [2018-10-23 18:40:09,277 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:40:09,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:40:09,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:40:09,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:40:09,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:40:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:40:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 18:40:09,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:40:09,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:40:09,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:40:09,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:40:09,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:40:09,688 INFO L87 Difference]: Start difference. First operand 12842 states and 18654 transitions. Second operand 4 states. [2018-10-23 18:40:29,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:40:29,918 INFO L93 Difference]: Finished difference Result 50582 states and 73610 transitions. [2018-10-23 18:40:29,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:40:29,920 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2018-10-23 18:40:29,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:40:30,032 INFO L225 Difference]: With dead ends: 50582 [2018-10-23 18:40:30,032 INFO L226 Difference]: Without dead ends: 37742 [2018-10-23 18:40:30,051 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 18:40:30,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37742 states. [2018-10-23 18:40:30,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37742 to 37727. [2018-10-23 18:40:30,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37727 states. [2018-10-23 18:40:30,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37727 states to 37727 states and 48553 transitions. [2018-10-23 18:40:30,594 INFO L78 Accepts]: Start accepts. Automaton has 37727 states and 48553 transitions. Word has length 156 [2018-10-23 18:40:30,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:40:30,595 INFO L481 AbstractCegarLoop]: Abstraction has 37727 states and 48553 transitions. [2018-10-23 18:40:30,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:40:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 37727 states and 48553 transitions. [2018-10-23 18:40:30,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-23 18:40:30,599 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:40:30,602 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-23 18:40:30,603 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:40:30,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:40:30,603 INFO L82 PathProgramCache]: Analyzing trace with hash 2062125395, now seen corresponding path program 1 times [2018-10-23 18:40:30,603 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:40:30,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:40:30,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:40:30,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:40:30,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:40:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:40:30,865 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-23 18:40:30,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:40:30,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:40:30,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:40:30,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:40:30,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:40:30,867 INFO L87 Difference]: Start difference. First operand 37727 states and 48553 transitions. Second operand 4 states. [2018-10-23 18:40:55,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:40:55,807 INFO L93 Difference]: Finished difference Result 148191 states and 190714 transitions. [2018-10-23 18:40:55,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:40:55,816 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 172 [2018-10-23 18:40:55,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:40:56,020 INFO L225 Difference]: With dead ends: 148191 [2018-10-23 18:40:56,021 INFO L226 Difference]: Without dead ends: 110466 [2018-10-23 18:40:56,072 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 18:40:56,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110466 states. [2018-10-23 18:40:57,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110466 to 73240. [2018-10-23 18:40:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73240 states. [2018-10-23 18:40:57,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73240 states to 73240 states and 91457 transitions. [2018-10-23 18:40:57,170 INFO L78 Accepts]: Start accepts. Automaton has 73240 states and 91457 transitions. Word has length 172 [2018-10-23 18:40:57,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:40:57,170 INFO L481 AbstractCegarLoop]: Abstraction has 73240 states and 91457 transitions. [2018-10-23 18:40:57,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:40:57,170 INFO L276 IsEmpty]: Start isEmpty. Operand 73240 states and 91457 transitions. [2018-10-23 18:40:57,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-10-23 18:40:57,180 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:40:57,181 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 18:40:57,181 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:40:57,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:40:57,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1774503772, now seen corresponding path program 1 times [2018-10-23 18:40:57,182 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:40:57,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:40:57,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:40:57,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:40:57,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:40:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:40:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-23 18:40:57,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:40:57,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 18:40:57,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 18:40:57,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 18:40:57,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 18:40:57,653 INFO L87 Difference]: Start difference. First operand 73240 states and 91457 transitions. Second operand 4 states. [2018-10-23 18:41:18,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:41:18,194 INFO L93 Difference]: Finished difference Result 169706 states and 209694 transitions. [2018-10-23 18:41:18,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 18:41:18,195 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 272 [2018-10-23 18:41:18,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:41:18,309 INFO L225 Difference]: With dead ends: 169706 [2018-10-23 18:41:18,309 INFO L226 Difference]: Without dead ends: 96468 [2018-10-23 18:41:18,370 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 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 18:41:18,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96468 states. [2018-10-23 18:41:19,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96468 to 96459. [2018-10-23 18:41:19,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96459 states. [2018-10-23 18:41:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96459 states to 96459 states and 113206 transitions. [2018-10-23 18:41:19,789 INFO L78 Accepts]: Start accepts. Automaton has 96459 states and 113206 transitions. Word has length 272 [2018-10-23 18:41:19,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:41:19,789 INFO L481 AbstractCegarLoop]: Abstraction has 96459 states and 113206 transitions. [2018-10-23 18:41:19,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 18:41:19,790 INFO L276 IsEmpty]: Start isEmpty. Operand 96459 states and 113206 transitions. [2018-10-23 18:41:19,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2018-10-23 18:41:19,812 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:41:19,813 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 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, 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, 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 18:41:19,814 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:41:19,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:41:19,814 INFO L82 PathProgramCache]: Analyzing trace with hash -192254115, now seen corresponding path program 1 times [2018-10-23 18:41:19,814 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:41:19,814 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:41:19,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:41:19,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:41:19,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:41:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:41:20,765 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-23 18:41:21,359 WARN L179 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 21 [2018-10-23 18:41:22,081 WARN L179 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2018-10-23 18:41:22,262 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 4 [2018-10-23 18:41:23,931 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-23 18:41:23,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 18:41:23,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-23 18:41:23,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-23 18:41:23,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-23 18:41:23,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-10-23 18:41:23,933 INFO L87 Difference]: Start difference. First operand 96459 states and 113206 transitions. Second operand 8 states. [2018-10-23 18:41:52,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 18:41:52,602 INFO L93 Difference]: Finished difference Result 267559 states and 314462 transitions. [2018-10-23 18:41:52,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-23 18:41:52,603 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 693 [2018-10-23 18:41:52,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 18:41:52,823 INFO L225 Difference]: With dead ends: 267559 [2018-10-23 18:41:52,824 INFO L226 Difference]: Without dead ends: 171102 [2018-10-23 18:41:52,902 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2018-10-23 18:41:53,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171102 states. [2018-10-23 18:41:54,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171102 to 97825. [2018-10-23 18:41:54,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97825 states. [2018-10-23 18:41:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97825 states to 97825 states and 114578 transitions. [2018-10-23 18:41:54,202 INFO L78 Accepts]: Start accepts. Automaton has 97825 states and 114578 transitions. Word has length 693 [2018-10-23 18:41:54,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 18:41:54,203 INFO L481 AbstractCegarLoop]: Abstraction has 97825 states and 114578 transitions. [2018-10-23 18:41:54,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-23 18:41:54,203 INFO L276 IsEmpty]: Start isEmpty. Operand 97825 states and 114578 transitions. [2018-10-23 18:41:54,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2018-10-23 18:41:54,240 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 18:41:54,241 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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 18:41:54,241 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 18:41:54,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 18:41:54,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1199391620, now seen corresponding path program 1 times [2018-10-23 18:41:54,242 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 18:41:54,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 18:41:54,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:41:54,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:41:54,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 18:41:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:41:55,357 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-23 18:41:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 228 proven. 301 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-23 18:41:58,782 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 18:41:58,783 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 18:41:58,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 18:41:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 18:41:59,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 18:41:59,669 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-23 18:41:59,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 18:41:59,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 13 [2018-10-23 18:41:59,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-23 18:41:59,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-23 18:41:59,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2018-10-23 18:41:59,696 INFO L87 Difference]: Start difference. First operand 97825 states and 114578 transitions. Second operand 13 states. Received shutdown request... [2018-10-23 18:42:51,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-10-23 18:42:51,321 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 18:42:51,327 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 18:42:51,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:42:51 BoogieIcfgContainer [2018-10-23 18:42:51,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 18:42:51,328 INFO L168 Benchmark]: Toolchain (without parser) took 233974.27 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 156.1 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-23 18:42:51,329 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 18:42:51,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3251.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. [2018-10-23 18:42:51,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 1192.29 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 884.5 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-23 18:42:51,332 INFO L168 Benchmark]: Boogie Preprocessor took 1005.94 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 7.1 GB. [2018-10-23 18:42:51,333 INFO L168 Benchmark]: RCFGBuilder took 17621.15 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 278.9 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -387.7 MB). Peak memory consumption was 867.5 MB. Max. memory is 7.1 GB. [2018-10-23 18:42:51,334 INFO L168 Benchmark]: TraceAbstraction took 210897.35 ms. Allocated memory was 2.7 GB in the beginning and 3.7 GB in the end (delta: 1.0 GB). Free memory was 2.5 GB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-23 18:42:51,339 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3251.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1192.29 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 884.5 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1005.94 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17621.15 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 278.9 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -387.7 MB). Peak memory consumption was 867.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 210897.35 ms. Allocated memory was 2.7 GB in the beginning and 3.7 GB in the end (delta: 1.0 GB). Free memory was 2.5 GB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 88). Cancelled while BasicCegarLoop was constructing difference of abstraction (97825states) and FLOYD_HOARE automaton (currently 24 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (265590 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 210.8s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 194.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9994 SDtfs, 43905 SDslu, 13494 SDs, 0 SdLazy, 89124 SolverSat, 18638 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 164.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 983 GetRequests, 923 SyntacticMatches, 12 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97825occurred in iteration=6, 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: 4.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 110573 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 3243 NumberOfCodeBlocks, 3243 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3235 ConstructedInterpolants, 0 QuantifiedInterpolants, 16738175 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1038 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 1208/1509 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown