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/Problem13_label37_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 16:23:19,307 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:23:19,309 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:23:19,328 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:23:19,328 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:23:19,330 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:23:19,331 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:23:19,333 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:23:19,336 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:23:19,338 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:23:19,339 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:23:19,339 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:23:19,342 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:23:19,344 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:23:19,345 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:23:19,348 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:23:19,350 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:23:19,352 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:23:19,361 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:23:19,363 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:23:19,364 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:23:19,365 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:23:19,367 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 16:23:19,376 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 16:23:19,390 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:23:19,391 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:23:19,392 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:23:19,392 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:23:19,392 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:23:19,393 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:23:19,393 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:23:19,393 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:23:19,393 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:23:19,394 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:23:19,394 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:23:19,394 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:23:19,394 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:23:19,394 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:23:19,395 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:23:19,395 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:23:19,395 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:23:19,395 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:23:19,395 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:23:19,396 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:23:19,396 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:23:19,396 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:23:19,396 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:23:19,396 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:23:19,397 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:23:19,397 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:23:19,397 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:23:19,397 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:23:19,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:23:19,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:23:19,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:23:19,461 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:23:19,462 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:23:19,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label37_true-unreach-call.c [2018-10-24 16:23:19,525 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bcbeacabf/decdd4a81f714082a64c1525e6f949bd/FLAG7e2052ce2 [2018-10-24 16:23:20,297 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:23:20,298 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label37_true-unreach-call.c [2018-10-24 16:23:20,339 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bcbeacabf/decdd4a81f714082a64c1525e6f949bd/FLAG7e2052ce2 [2018-10-24 16:23:20,360 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bcbeacabf/decdd4a81f714082a64c1525e6f949bd [2018-10-24 16:23:20,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:23:20,376 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:23:20,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:23:20,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:23:20,386 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:23:20,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:23:20" (1/1) ... [2018-10-24 16:23:20,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b326c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:23:20, skipping insertion in model container [2018-10-24 16:23:20,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:23:20" (1/1) ... [2018-10-24 16:23:20,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:23:20,575 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:23:22,106 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:23:22,111 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:23:22,799 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:23:22,844 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:23:22,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:23:22 WrapperNode [2018-10-24 16:23:22,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:23:22,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:23:22,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:23:22,846 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:23:22,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:23:22" (1/1) ... [2018-10-24 16:23:22,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:23:22" (1/1) ... [2018-10-24 16:23:23,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:23:23,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:23:23,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:23:23,681 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:23:23,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:23:22" (1/1) ... [2018-10-24 16:23:23,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:23:22" (1/1) ... [2018-10-24 16:23:23,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:23:22" (1/1) ... [2018-10-24 16:23:23,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:23:22" (1/1) ... [2018-10-24 16:23:23,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:23:22" (1/1) ... [2018-10-24 16:23:23,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:23:22" (1/1) ... [2018-10-24 16:23:24,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:23:22" (1/1) ... [2018-10-24 16:23:24,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:23:24,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:23:24,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:23:24,085 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:23:24,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:23:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:23:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:23:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:23:24,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:23:36,529 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:23:36,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:23:36 BoogieIcfgContainer [2018-10-24 16:23:36,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:23:36,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:23:36,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:23:36,534 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:23:36,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:23:20" (1/3) ... [2018-10-24 16:23:36,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370b9554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:23:36, skipping insertion in model container [2018-10-24 16:23:36,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:23:22" (2/3) ... [2018-10-24 16:23:36,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370b9554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:23:36, skipping insertion in model container [2018-10-24 16:23:36,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:23:36" (3/3) ... [2018-10-24 16:23:36,538 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label37_true-unreach-call.c [2018-10-24 16:23:36,548 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:23:36,559 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:23:36,577 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:23:36,623 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:23:36,624 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:23:36,624 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:23:36,624 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:23:36,624 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:23:36,624 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:23:36,624 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:23:36,625 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:23:36,625 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:23:36,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2018-10-24 16:23:36,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-24 16:23:36,686 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:23:36,687 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:23:36,690 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:23:36,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:23:36,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1306950314, now seen corresponding path program 1 times [2018-10-24 16:23:36,700 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:23:36,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:23:36,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:23:36,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:23:36,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:23:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:23:37,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:23:37,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:23:37,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:23:37,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:23:37,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:23:37,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:23:37,183 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 4 states. [2018-10-24 16:23:52,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:23:52,912 INFO L93 Difference]: Finished difference Result 3991 states and 7504 transitions. [2018-10-24 16:23:52,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:23:52,914 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2018-10-24 16:23:52,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:23:52,954 INFO L225 Difference]: With dead ends: 3991 [2018-10-24 16:23:52,954 INFO L226 Difference]: Without dead ends: 2885 [2018-10-24 16:23:52,964 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:23:52,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2885 states. [2018-10-24 16:23:53,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 1946. [2018-10-24 16:23:53,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1946 states. [2018-10-24 16:23:53,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 3412 transitions. [2018-10-24 16:23:53,154 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 3412 transitions. Word has length 55 [2018-10-24 16:23:53,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:23:53,155 INFO L481 AbstractCegarLoop]: Abstraction has 1946 states and 3412 transitions. [2018-10-24 16:23:53,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:23:53,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 3412 transitions. [2018-10-24 16:23:53,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-24 16:23:53,166 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:23:53,167 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, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 16:23:53,167 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:23:53,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:23:53,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1157170007, now seen corresponding path program 1 times [2018-10-24 16:23:53,168 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:23:53,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:23:53,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:23:53,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:23:53,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:23:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:23:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:23:53,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:23:53,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:23:53,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:23:53,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:23:53,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:23:53,489 INFO L87 Difference]: Start difference. First operand 1946 states and 3412 transitions. Second operand 4 states. [2018-10-24 16:24:10,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:24:10,270 INFO L93 Difference]: Finished difference Result 7107 states and 12745 transitions. [2018-10-24 16:24:10,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:24:10,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2018-10-24 16:24:10,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:24:10,299 INFO L225 Difference]: With dead ends: 7107 [2018-10-24 16:24:10,300 INFO L226 Difference]: Without dead ends: 5163 [2018-10-24 16:24:10,305 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:24:10,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5163 states. [2018-10-24 16:24:10,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5163 to 5141. [2018-10-24 16:24:10,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5141 states. [2018-10-24 16:24:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 5141 states and 8063 transitions. [2018-10-24 16:24:10,400 INFO L78 Accepts]: Start accepts. Automaton has 5141 states and 8063 transitions. Word has length 122 [2018-10-24 16:24:10,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:24:10,401 INFO L481 AbstractCegarLoop]: Abstraction has 5141 states and 8063 transitions. [2018-10-24 16:24:10,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:24:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 8063 transitions. [2018-10-24 16:24:10,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-24 16:24:10,407 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:24:10,408 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, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 16:24:10,408 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:24:10,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:24:10,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1060132003, now seen corresponding path program 1 times [2018-10-24 16:24:10,409 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:24:10,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:24:10,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:24:10,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:24:10,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:24:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:24:10,901 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-24 16:24:11,147 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2018-10-24 16:24:11,348 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2018-10-24 16:24:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:24:11,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:24:11,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-24 16:24:11,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 16:24:11,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 16:24:11,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 16:24:11,855 INFO L87 Difference]: Start difference. First operand 5141 states and 8063 transitions. Second operand 8 states. [2018-10-24 16:24:32,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:24:32,373 INFO L93 Difference]: Finished difference Result 12647 states and 18962 transitions. [2018-10-24 16:24:32,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 16:24:32,375 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 210 [2018-10-24 16:24:32,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:24:32,411 INFO L225 Difference]: With dead ends: 12647 [2018-10-24 16:24:32,411 INFO L226 Difference]: Without dead ends: 7508 [2018-10-24 16:24:32,419 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2018-10-24 16:24:32,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7508 states. [2018-10-24 16:24:32,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7508 to 6717. [2018-10-24 16:24:32,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6717 states. [2018-10-24 16:24:32,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6717 states to 6717 states and 9650 transitions. [2018-10-24 16:24:32,540 INFO L78 Accepts]: Start accepts. Automaton has 6717 states and 9650 transitions. Word has length 210 [2018-10-24 16:24:32,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:24:32,541 INFO L481 AbstractCegarLoop]: Abstraction has 6717 states and 9650 transitions. [2018-10-24 16:24:32,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 16:24:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 6717 states and 9650 transitions. [2018-10-24 16:24:32,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-10-24 16:24:32,551 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:24:32,552 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:24:32,553 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:24:32,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:24:32,553 INFO L82 PathProgramCache]: Analyzing trace with hash -54862913, now seen corresponding path program 1 times [2018-10-24 16:24:32,553 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:24:32,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:24:32,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:24:32,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:24:32,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:24:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:24:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 109 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:24:33,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:24:33,016 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:24:33,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:24:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:24:33,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:24:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:24:33,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:24:33,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-10-24 16:24:33,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 16:24:33,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 16:24:33,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:24:33,361 INFO L87 Difference]: Start difference. First operand 6717 states and 9650 transitions. Second operand 6 states. [2018-10-24 16:25:00,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:25:00,946 INFO L93 Difference]: Finished difference Result 31065 states and 47529 transitions. [2018-10-24 16:25:00,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 16:25:00,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 256 [2018-10-24 16:25:00,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:25:01,023 INFO L225 Difference]: With dead ends: 31065 [2018-10-24 16:25:01,024 INFO L226 Difference]: Without dead ends: 24350 [2018-10-24 16:25:01,036 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-10-24 16:25:01,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24350 states. [2018-10-24 16:25:01,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24350 to 24167. [2018-10-24 16:25:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24167 states. [2018-10-24 16:25:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24167 states to 24167 states and 34044 transitions. [2018-10-24 16:25:01,498 INFO L78 Accepts]: Start accepts. Automaton has 24167 states and 34044 transitions. Word has length 256 [2018-10-24 16:25:01,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:25:01,499 INFO L481 AbstractCegarLoop]: Abstraction has 24167 states and 34044 transitions. [2018-10-24 16:25:01,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 16:25:01,499 INFO L276 IsEmpty]: Start isEmpty. Operand 24167 states and 34044 transitions. [2018-10-24 16:25:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-10-24 16:25:01,510 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:25:01,510 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 16:25:01,511 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:25:01,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:25:01,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1405747511, now seen corresponding path program 1 times [2018-10-24 16:25:01,511 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:25:01,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:25:01,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:25:01,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:25:01,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:25:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:25:01,936 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-24 16:25:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 289 proven. 4 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-24 16:25:02,372 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:25:02,372 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:25:02,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:25:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:25:02,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:25:02,622 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-24 16:25:02,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:25:02,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2018-10-24 16:25:02,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 16:25:02,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 16:25:02,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:25:02,646 INFO L87 Difference]: Start difference. First operand 24167 states and 34044 transitions. Second operand 6 states. [2018-10-24 16:25:19,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:25:19,923 INFO L93 Difference]: Finished difference Result 105057 states and 150578 transitions. [2018-10-24 16:25:19,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 16:25:19,924 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 325 [2018-10-24 16:25:19,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:25:20,080 INFO L225 Difference]: With dead ends: 105057 [2018-10-24 16:25:20,080 INFO L226 Difference]: Without dead ends: 80892 [2018-10-24 16:25:20,121 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 325 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2018-10-24 16:25:20,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80892 states. [2018-10-24 16:25:21,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80892 to 80099. [2018-10-24 16:25:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80099 states. [2018-10-24 16:25:21,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80099 states to 80099 states and 99565 transitions. [2018-10-24 16:25:21,192 INFO L78 Accepts]: Start accepts. Automaton has 80099 states and 99565 transitions. Word has length 325 [2018-10-24 16:25:21,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:25:21,193 INFO L481 AbstractCegarLoop]: Abstraction has 80099 states and 99565 transitions. [2018-10-24 16:25:21,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 16:25:21,193 INFO L276 IsEmpty]: Start isEmpty. Operand 80099 states and 99565 transitions. [2018-10-24 16:25:21,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-10-24 16:25:21,215 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:25:21,215 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:25:21,216 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:25:21,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:25:21,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1534327477, now seen corresponding path program 1 times [2018-10-24 16:25:21,216 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:25:21,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:25:21,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:25:21,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:25:21,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:25:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:25:21,710 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 7 [2018-10-24 16:25:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:25:21,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:25:21,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:25:21,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:25:21,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:25:21,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:25:21,914 INFO L87 Difference]: Start difference. First operand 80099 states and 99565 transitions. Second operand 4 states. [2018-10-24 16:25:32,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:25:32,852 INFO L93 Difference]: Finished difference Result 172015 states and 213050 transitions. [2018-10-24 16:25:32,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:25:32,853 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 348 [2018-10-24 16:25:32,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:25:32,965 INFO L225 Difference]: With dead ends: 172015 [2018-10-24 16:25:32,965 INFO L226 Difference]: Without dead ends: 88764 [2018-10-24 16:25:33,027 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 [2018-10-24 16:25:33,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88764 states. [2018-10-24 16:25:33,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88764 to 86393. [2018-10-24 16:25:33,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86393 states. [2018-10-24 16:25:34,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86393 states to 86393 states and 106000 transitions. [2018-10-24 16:25:34,092 INFO L78 Accepts]: Start accepts. Automaton has 86393 states and 106000 transitions. Word has length 348 [2018-10-24 16:25:34,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:25:34,092 INFO L481 AbstractCegarLoop]: Abstraction has 86393 states and 106000 transitions. [2018-10-24 16:25:34,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:25:34,093 INFO L276 IsEmpty]: Start isEmpty. Operand 86393 states and 106000 transitions. [2018-10-24 16:25:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-10-24 16:25:34,114 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:25:34,114 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-10-24 16:25:34,114 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:25:34,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:25:34,115 INFO L82 PathProgramCache]: Analyzing trace with hash -23288333, now seen corresponding path program 1 times [2018-10-24 16:25:34,115 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:25:34,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:25:34,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:25:34,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:25:34,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:25:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:25:34,686 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2018-10-24 16:25:34,938 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2018-10-24 16:25:35,088 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 354 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-10-24 16:25:35,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:25:35,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 16:25:35,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 16:25:35,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 16:25:35,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:25:35,090 INFO L87 Difference]: Start difference. First operand 86393 states and 106000 transitions. Second operand 6 states. [2018-10-24 16:25:50,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:25:50,955 INFO L93 Difference]: Finished difference Result 210823 states and 256744 transitions. [2018-10-24 16:25:50,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:25:50,958 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 380 [2018-10-24 16:25:50,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:25:51,153 INFO L225 Difference]: With dead ends: 210823 [2018-10-24 16:25:51,154 INFO L226 Difference]: Without dead ends: 125220 [2018-10-24 16:25:51,225 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:25:51,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125220 states. [2018-10-24 16:25:52,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125220 to 95819. [2018-10-24 16:25:52,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95819 states. [2018-10-24 16:25:52,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95819 states to 95819 states and 112745 transitions. [2018-10-24 16:25:52,454 INFO L78 Accepts]: Start accepts. Automaton has 95819 states and 112745 transitions. Word has length 380 [2018-10-24 16:25:52,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:25:52,455 INFO L481 AbstractCegarLoop]: Abstraction has 95819 states and 112745 transitions. [2018-10-24 16:25:52,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 16:25:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 95819 states and 112745 transitions. [2018-10-24 16:25:52,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2018-10-24 16:25:52,480 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:25:52,481 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-10-24 16:25:52,481 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:25:52,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:25:52,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1980567799, now seen corresponding path program 1 times [2018-10-24 16:25:52,482 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:25:52,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:25:52,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:25:52,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:25:52,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:25:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:25:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 362 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-10-24 16:25:54,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:25:54,233 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:25:54,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:25:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:25:54,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:25:54,570 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-10-24 16:25:54,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:25:54,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-24 16:25:54,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 16:25:54,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 16:25:54,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-24 16:25:54,593 INFO L87 Difference]: Start difference. First operand 95819 states and 112745 transitions. Second operand 8 states. [2018-10-24 16:26:26,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:26:26,075 INFO L93 Difference]: Finished difference Result 262571 states and 306618 transitions. [2018-10-24 16:26:26,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 16:26:26,075 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 409 [2018-10-24 16:26:26,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:26:26,269 INFO L225 Difference]: With dead ends: 262571 [2018-10-24 16:26:26,269 INFO L226 Difference]: Without dead ends: 153326 [2018-10-24 16:26:26,352 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 412 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-10-24 16:26:26,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153326 states. [2018-10-24 16:26:27,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153326 to 144636. [2018-10-24 16:26:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144636 states. [2018-10-24 16:26:27,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144636 states to 144636 states and 162006 transitions. [2018-10-24 16:26:27,876 INFO L78 Accepts]: Start accepts. Automaton has 144636 states and 162006 transitions. Word has length 409 [2018-10-24 16:26:27,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:26:27,876 INFO L481 AbstractCegarLoop]: Abstraction has 144636 states and 162006 transitions. [2018-10-24 16:26:27,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 16:26:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 144636 states and 162006 transitions. [2018-10-24 16:26:27,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2018-10-24 16:26:27,911 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:26:27,911 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 16:26:27,912 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:26:27,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:26:27,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1240522182, now seen corresponding path program 1 times [2018-10-24 16:26:27,912 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:26:27,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:26:27,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:26:27,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:26:27,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:26:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:26:28,397 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-24 16:26:28,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:26:28,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:26:28,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 16:26:28,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 16:26:28,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:26:28,399 INFO L87 Difference]: Start difference. First operand 144636 states and 162006 transitions. Second operand 3 states. [2018-10-24 16:26:35,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:26:35,697 INFO L93 Difference]: Finished difference Result 285308 states and 319344 transitions. [2018-10-24 16:26:35,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 16:26:35,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 544 [2018-10-24 16:26:35,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:26:35,896 INFO L225 Difference]: With dead ends: 285308 [2018-10-24 16:26:35,896 INFO L226 Difference]: Without dead ends: 139884 [2018-10-24 16:26:35,991 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:26:36,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139884 states. [2018-10-24 16:26:37,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139884 to 136726. [2018-10-24 16:26:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136726 states. [2018-10-24 16:26:37,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136726 states to 136726 states and 148405 transitions. [2018-10-24 16:26:37,636 INFO L78 Accepts]: Start accepts. Automaton has 136726 states and 148405 transitions. Word has length 544 [2018-10-24 16:26:37,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:26:37,637 INFO L481 AbstractCegarLoop]: Abstraction has 136726 states and 148405 transitions. [2018-10-24 16:26:37,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 16:26:37,638 INFO L276 IsEmpty]: Start isEmpty. Operand 136726 states and 148405 transitions. [2018-10-24 16:26:37,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2018-10-24 16:26:37,682 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:26:37,683 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 16:26:37,683 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:26:37,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:26:37,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1394404916, now seen corresponding path program 1 times [2018-10-24 16:26:37,684 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:26:37,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:26:37,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:26:37,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:26:37,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:26:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:26:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 515 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-10-24 16:26:39,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:26:39,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:26:39,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:26:39,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:26:39,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:26:39,339 INFO L87 Difference]: Start difference. First operand 136726 states and 148405 transitions. Second operand 4 states. [2018-10-24 16:26:52,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:26:52,889 INFO L93 Difference]: Finished difference Result 367274 states and 399849 transitions. [2018-10-24 16:26:52,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:26:52,892 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 631 [2018-10-24 16:26:52,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:26:53,159 INFO L225 Difference]: With dead ends: 367274 [2018-10-24 16:26:53,159 INFO L226 Difference]: Without dead ends: 213975 [2018-10-24 16:26:53,240 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:26:53,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213975 states. [2018-10-24 16:26:56,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213975 to 207666. [2018-10-24 16:26:56,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207666 states. [2018-10-24 16:26:56,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207666 states to 207666 states and 221971 transitions. [2018-10-24 16:26:56,263 INFO L78 Accepts]: Start accepts. Automaton has 207666 states and 221971 transitions. Word has length 631 [2018-10-24 16:26:56,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:26:56,264 INFO L481 AbstractCegarLoop]: Abstraction has 207666 states and 221971 transitions. [2018-10-24 16:26:56,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:26:56,264 INFO L276 IsEmpty]: Start isEmpty. Operand 207666 states and 221971 transitions. [2018-10-24 16:26:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2018-10-24 16:26:56,323 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:26:56,324 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 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] [2018-10-24 16:26:56,324 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:26:56,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:26:56,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1930424204, now seen corresponding path program 1 times [2018-10-24 16:26:56,325 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:26:56,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:26:56,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:26:56,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:26:56,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:26:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:26:57,963 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 471 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-10-24 16:26:57,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:26:57,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:26:57,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:26:57,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:26:57,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:26:57,966 INFO L87 Difference]: Start difference. First operand 207666 states and 221971 transitions. Second operand 5 states. Received shutdown request... [2018-10-24 16:27:10,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:27:10,757 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 16:27:10,762 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 16:27:10,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:27:10 BoogieIcfgContainer [2018-10-24 16:27:10,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:27:10,764 INFO L168 Benchmark]: Toolchain (without parser) took 230389.92 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-24 16:27:10,765 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 16:27:10,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2464.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2018-10-24 16:27:10,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 834.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 817.4 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2018-10-24 16:27:10,767 INFO L168 Benchmark]: Boogie Preprocessor took 403.02 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 7.1 GB. [2018-10-24 16:27:10,768 INFO L168 Benchmark]: RCFGBuilder took 12445.86 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 254.3 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -2.6 MB). Peak memory consumption was 619.7 MB. Max. memory is 7.1 GB. [2018-10-24 16:27:10,769 INFO L168 Benchmark]: TraceAbstraction took 214231.93 ms. Allocated memory was 2.6 GB in the beginning and 3.6 GB in the end (delta: 965.2 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -303.6 MB). Peak memory consumption was 661.6 MB. Max. memory is 7.1 GB. [2018-10-24 16:27:10,774 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2464.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 834.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 817.4 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 403.02 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12445.86 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 254.3 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -2.6 MB). Peak memory consumption was 619.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 214231.93 ms. Allocated memory was 2.6 GB in the beginning and 3.6 GB in the end (delta: 965.2 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -303.6 MB). Peak memory consumption was 661.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 174). Cancelled while BasicCegarLoop was constructing difference of abstraction (207666states) and FLOYD_HOARE automaton (currently 5 states, 5 states before enhancement),while ReachableStatesComputation was computing reachable states (163924 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1099 locations, 1 error locations. TIMEOUT Result, 214.1s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 191.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9875 SDtfs, 40444 SDslu, 4473 SDs, 0 SdLazy, 80457 SolverSat, 19257 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 160.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1067 GetRequests, 1008 SyntacticMatches, 10 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207666occurred in iteration=10, 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: 10.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 52657 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 5106 NumberOfCodeBlocks, 5106 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 5092 ConstructedInterpolants, 0 QuantifiedInterpolants, 8304818 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1333 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 4665/4769 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown