java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 21:23:43,552 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 21:23:43,555 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 21:23:43,577 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 21:23:43,577 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 21:23:43,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 21:23:43,580 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 21:23:43,584 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 21:23:43,587 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 21:23:43,595 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 21:23:43,596 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 21:23:43,596 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 21:23:43,597 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 21:23:43,602 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 21:23:43,604 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 21:23:43,608 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 21:23:43,609 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 21:23:43,613 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 21:23:43,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 21:23:43,620 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 21:23:43,623 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 21:23:43,626 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 21:23:43,630 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 21:23:43,630 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 21:23:43,631 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 21:23:43,632 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 21:23:43,633 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 21:23:43,634 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 21:23:43,634 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 21:23:43,636 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 21:23:43,637 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 21:23:43,637 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-06 21:23:43,640 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 21:23:43,665 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 21:23:43,665 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 21:23:43,666 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 21:23:43,666 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 21:23:43,667 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 21:23:43,667 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 21:23:43,667 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 21:23:43,667 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 21:23:43,668 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 21:23:43,668 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 21:23:43,668 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 21:23:43,668 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 21:23:43,668 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 21:23:43,669 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 21:23:43,669 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 21:23:43,669 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 21:23:43,669 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 21:23:43,670 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 21:23:43,670 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 21:23:43,670 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 21:23:43,670 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 21:23:43,670 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 21:23:43,671 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 21:23:43,671 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 21:23:43,671 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 21:23:43,671 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 21:23:43,671 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 21:23:43,671 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 21:23:43,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 21:23:43,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 21:23:43,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 21:23:43,749 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 21:23:43,749 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 21:23:43,750 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c [2018-11-06 21:23:43,820 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d865e9e/706457ca5c574134affd26154da0e9b3/FLAG438863522 [2018-11-06 21:23:44,614 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 21:23:44,615 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c [2018-11-06 21:23:44,649 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d865e9e/706457ca5c574134affd26154da0e9b3/FLAG438863522 [2018-11-06 21:23:44,666 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d865e9e/706457ca5c574134affd26154da0e9b3 [2018-11-06 21:23:44,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 21:23:44,681 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 21:23:44,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 21:23:44,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 21:23:44,688 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 21:23:44,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:23:44" (1/1) ... [2018-11-06 21:23:44,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a3a71b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:23:44, skipping insertion in model container [2018-11-06 21:23:44,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:23:44" (1/1) ... [2018-11-06 21:23:44,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 21:23:44,892 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 21:23:46,460 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 21:23:46,466 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 21:23:47,251 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 21:23:47,293 INFO L193 MainTranslator]: Completed translation [2018-11-06 21:23:47,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:23:47 WrapperNode [2018-11-06 21:23:47,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 21:23:47,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 21:23:47,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 21:23:47,296 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 21:23:47,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:23:47" (1/1) ... [2018-11-06 21:23:47,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:23:47" (1/1) ... [2018-11-06 21:23:48,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 21:23:48,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 21:23:48,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 21:23:48,109 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 21:23:48,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:23:47" (1/1) ... [2018-11-06 21:23:48,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:23:47" (1/1) ... [2018-11-06 21:23:48,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:23:47" (1/1) ... [2018-11-06 21:23:48,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:23:47" (1/1) ... [2018-11-06 21:23:48,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:23:47" (1/1) ... [2018-11-06 21:23:48,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:23:47" (1/1) ... [2018-11-06 21:23:48,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:23:47" (1/1) ... [2018-11-06 21:23:48,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 21:23:48,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 21:23:48,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 21:23:48,684 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 21:23:48,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:23:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 21:23:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 21:23:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 21:23:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 21:24:00,260 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 21:24:00,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:24:00 BoogieIcfgContainer [2018-11-06 21:24:00,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 21:24:00,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 21:24:00,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 21:24:00,266 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 21:24:00,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:23:44" (1/3) ... [2018-11-06 21:24:00,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63fe92f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:24:00, skipping insertion in model container [2018-11-06 21:24:00,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:23:47" (2/3) ... [2018-11-06 21:24:00,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63fe92f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:24:00, skipping insertion in model container [2018-11-06 21:24:00,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:24:00" (3/3) ... [2018-11-06 21:24:00,272 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label57_true-unreach-call.c [2018-11-06 21:24:00,282 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 21:24:00,292 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 21:24:00,310 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 21:24:00,355 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 21:24:00,356 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 21:24:00,356 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 21:24:00,356 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 21:24:00,357 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 21:24:00,357 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 21:24:00,357 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 21:24:00,357 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 21:24:00,357 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 21:24:00,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2018-11-06 21:24:00,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-06 21:24:00,406 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:24:00,407 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:24:00,410 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:24:00,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:24:00,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1515441142, now seen corresponding path program 1 times [2018-11-06 21:24:00,418 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:24:00,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:24:00,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:24:00,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:24:00,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:24:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:24:01,037 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-06 21:24:01,573 WARN L179 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2018-11-06 21:24:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:24:01,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:24:01,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 21:24:01,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 21:24:01,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 21:24:01,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-06 21:24:01,865 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 5 states. [2018-11-06 21:24:17,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:24:17,462 INFO L93 Difference]: Finished difference Result 4624 states and 8784 transitions. [2018-11-06 21:24:17,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-06 21:24:17,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2018-11-06 21:24:17,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:24:17,511 INFO L225 Difference]: With dead ends: 4624 [2018-11-06 21:24:17,511 INFO L226 Difference]: Without dead ends: 3515 [2018-11-06 21:24:17,523 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-11-06 21:24:17,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3515 states. [2018-11-06 21:24:17,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3515 to 3514. [2018-11-06 21:24:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3514 states. [2018-11-06 21:24:17,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3514 states to 3514 states and 5233 transitions. [2018-11-06 21:24:17,727 INFO L78 Accepts]: Start accepts. Automaton has 3514 states and 5233 transitions. Word has length 62 [2018-11-06 21:24:17,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:24:17,728 INFO L480 AbstractCegarLoop]: Abstraction has 3514 states and 5233 transitions. [2018-11-06 21:24:17,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 21:24:17,728 INFO L276 IsEmpty]: Start isEmpty. Operand 3514 states and 5233 transitions. [2018-11-06 21:24:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-06 21:24:17,743 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:24:17,747 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, 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] [2018-11-06 21:24:17,747 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:24:17,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:24:17,748 INFO L82 PathProgramCache]: Analyzing trace with hash 342361045, now seen corresponding path program 1 times [2018-11-06 21:24:17,748 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:24:17,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:24:17,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:24:17,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:24:17,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:24:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:24:18,143 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-06 21:24:18,144 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:24:18,144 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:24:18,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:24:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:24:18,271 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:24:18,704 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 42 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:24:18,726 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 21:24:18,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 6 [2018-11-06 21:24:18,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-06 21:24:18,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-06 21:24:18,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-06 21:24:18,729 INFO L87 Difference]: Start difference. First operand 3514 states and 5233 transitions. Second operand 7 states. [2018-11-06 21:24:19,458 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-06 21:24:45,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:24:45,308 INFO L93 Difference]: Finished difference Result 18122 states and 30330 transitions. [2018-11-06 21:24:45,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-06 21:24:45,308 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 188 [2018-11-06 21:24:45,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:24:45,388 INFO L225 Difference]: With dead ends: 18122 [2018-11-06 21:24:45,388 INFO L226 Difference]: Without dead ends: 15398 [2018-11-06 21:24:45,397 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2018-11-06 21:24:45,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15398 states. [2018-11-06 21:24:45,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15398 to 13800. [2018-11-06 21:24:45,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13800 states. [2018-11-06 21:24:45,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13800 states to 13800 states and 18814 transitions. [2018-11-06 21:24:45,859 INFO L78 Accepts]: Start accepts. Automaton has 13800 states and 18814 transitions. Word has length 188 [2018-11-06 21:24:45,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:24:45,860 INFO L480 AbstractCegarLoop]: Abstraction has 13800 states and 18814 transitions. [2018-11-06 21:24:45,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-06 21:24:45,861 INFO L276 IsEmpty]: Start isEmpty. Operand 13800 states and 18814 transitions. [2018-11-06 21:24:45,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-06 21:24:45,875 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:24:45,879 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:24:45,880 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:24:45,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:24:45,881 INFO L82 PathProgramCache]: Analyzing trace with hash 859592744, now seen corresponding path program 1 times [2018-11-06 21:24:45,881 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:24:45,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:24:45,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:24:45,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:24:45,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:24:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:24:46,397 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-11-06 21:24:46,482 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 119 proven. 66 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-06 21:24:46,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:24:46,483 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:24:46,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:24:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:24:46,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:24:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-11-06 21:24:46,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 21:24:46,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-11-06 21:24:46,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 21:24:46,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 21:24:46,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-06 21:24:46,710 INFO L87 Difference]: Start difference. First operand 13800 states and 18814 transitions. Second operand 5 states. [2018-11-06 21:25:02,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:25:02,499 INFO L93 Difference]: Finished difference Result 73393 states and 106763 transitions. [2018-11-06 21:25:02,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-06 21:25:02,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 320 [2018-11-06 21:25:02,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:25:02,653 INFO L225 Difference]: With dead ends: 73393 [2018-11-06 21:25:02,653 INFO L226 Difference]: Without dead ends: 57223 [2018-11-06 21:25:02,685 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-06 21:25:02,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57223 states. [2018-11-06 21:25:03,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57223 to 53268. [2018-11-06 21:25:03,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53268 states. [2018-11-06 21:25:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53268 states to 53268 states and 66471 transitions. [2018-11-06 21:25:03,482 INFO L78 Accepts]: Start accepts. Automaton has 53268 states and 66471 transitions. Word has length 320 [2018-11-06 21:25:03,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:25:03,482 INFO L480 AbstractCegarLoop]: Abstraction has 53268 states and 66471 transitions. [2018-11-06 21:25:03,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 21:25:03,483 INFO L276 IsEmpty]: Start isEmpty. Operand 53268 states and 66471 transitions. [2018-11-06 21:25:03,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2018-11-06 21:25:03,508 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:25:03,509 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, 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, 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] [2018-11-06 21:25:03,509 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:25:03,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:25:03,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1736701088, now seen corresponding path program 1 times [2018-11-06 21:25:03,510 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:25:03,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:25:03,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:25:03,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:25:03,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:25:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:25:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 506 proven. 92 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2018-11-06 21:25:04,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:25:04,278 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:25:04,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:25:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:25:04,412 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:25:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2018-11-06 21:25:04,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 21:25:04,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-11-06 21:25:04,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-06 21:25:04,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-06 21:25:04,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-06 21:25:04,571 INFO L87 Difference]: Start difference. First operand 53268 states and 66471 transitions. Second operand 6 states. [2018-11-06 21:25:35,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:25:35,325 INFO L93 Difference]: Finished difference Result 225043 states and 279269 transitions. [2018-11-06 21:25:35,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-06 21:25:35,326 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 485 [2018-11-06 21:25:35,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:25:36,075 INFO L225 Difference]: With dead ends: 225043 [2018-11-06 21:25:36,076 INFO L226 Difference]: Without dead ends: 152760 [2018-11-06 21:25:36,179 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 487 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-11-06 21:25:36,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152760 states. [2018-11-06 21:25:37,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152760 to 143142. [2018-11-06 21:25:37,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143142 states. [2018-11-06 21:25:38,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143142 states to 143142 states and 169152 transitions. [2018-11-06 21:25:38,188 INFO L78 Accepts]: Start accepts. Automaton has 143142 states and 169152 transitions. Word has length 485 [2018-11-06 21:25:38,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:25:38,189 INFO L480 AbstractCegarLoop]: Abstraction has 143142 states and 169152 transitions. [2018-11-06 21:25:38,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-06 21:25:38,189 INFO L276 IsEmpty]: Start isEmpty. Operand 143142 states and 169152 transitions. [2018-11-06 21:25:38,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2018-11-06 21:25:38,237 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:25:38,238 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, 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, 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, 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] [2018-11-06 21:25:38,238 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:25:38,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:25:38,238 INFO L82 PathProgramCache]: Analyzing trace with hash 688285591, now seen corresponding path program 1 times [2018-11-06 21:25:38,239 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:25:38,239 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:25:38,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:25:38,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:25:38,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:25:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:25:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 679 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-11-06 21:25:38,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:25:38,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 21:25:38,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:25:38,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:25:38,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:25:38,662 INFO L87 Difference]: Start difference. First operand 143142 states and 169152 transitions. Second operand 4 states. [2018-11-06 21:25:48,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:25:48,112 INFO L93 Difference]: Finished difference Result 359598 states and 426237 transitions. [2018-11-06 21:25:48,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:25:48,112 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 592 [2018-11-06 21:25:48,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:25:48,495 INFO L225 Difference]: With dead ends: 359598 [2018-11-06 21:25:48,496 INFO L226 Difference]: Without dead ends: 217246 [2018-11-06 21:25:48,628 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:25:48,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217246 states. [2018-11-06 21:25:50,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217246 to 201431. [2018-11-06 21:25:50,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201431 states. [2018-11-06 21:25:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201431 states to 201431 states and 231837 transitions. [2018-11-06 21:25:52,048 INFO L78 Accepts]: Start accepts. Automaton has 201431 states and 231837 transitions. Word has length 592 [2018-11-06 21:25:52,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:25:52,049 INFO L480 AbstractCegarLoop]: Abstraction has 201431 states and 231837 transitions. [2018-11-06 21:25:52,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:25:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand 201431 states and 231837 transitions. [2018-11-06 21:25:52,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 737 [2018-11-06 21:25:52,112 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:25:52,113 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:25:52,113 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:25:52,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:25:52,115 INFO L82 PathProgramCache]: Analyzing trace with hash -350476805, now seen corresponding path program 1 times [2018-11-06 21:25:52,115 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:25:52,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:25:52,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:25:52,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:25:52,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:25:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:25:52,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 846 proven. 0 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2018-11-06 21:25:52,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:25:52,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 21:25:52,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:25:52,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:25:52,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:25:52,900 INFO L87 Difference]: Start difference. First operand 201431 states and 231837 transitions. Second operand 4 states. [2018-11-06 21:26:07,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:26:07,240 INFO L93 Difference]: Finished difference Result 478790 states and 551022 transitions. [2018-11-06 21:26:07,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:26:07,241 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 736 [2018-11-06 21:26:07,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:26:07,644 INFO L225 Difference]: With dead ends: 478790 [2018-11-06 21:26:07,645 INFO L226 Difference]: Without dead ends: 278149 [2018-11-06 21:26:07,774 INFO L604 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 [2018-11-06 21:26:07,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278149 states. [2018-11-06 21:26:11,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278149 to 275612. [2018-11-06 21:26:11,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275612 states. [2018-11-06 21:26:11,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275612 states to 275612 states and 314861 transitions. [2018-11-06 21:26:11,698 INFO L78 Accepts]: Start accepts. Automaton has 275612 states and 314861 transitions. Word has length 736 [2018-11-06 21:26:11,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:26:11,698 INFO L480 AbstractCegarLoop]: Abstraction has 275612 states and 314861 transitions. [2018-11-06 21:26:11,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:26:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 275612 states and 314861 transitions. [2018-11-06 21:26:11,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2018-11-06 21:26:11,731 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:26:11,731 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-06 21:26:11,732 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:26:11,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:26:11,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1140515811, now seen corresponding path program 1 times [2018-11-06 21:26:11,732 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:26:11,733 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:26:11,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:11,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:26:11,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:26:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 913 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2018-11-06 21:26:14,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:26:14,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 21:26:14,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:26:14,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:26:14,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:26:14,685 INFO L87 Difference]: Start difference. First operand 275612 states and 314861 transitions. Second operand 4 states. [2018-11-06 21:26:26,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:26:26,142 INFO L93 Difference]: Finished difference Result 547300 states and 625609 transitions. [2018-11-06 21:26:26,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:26:26,143 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 748 [2018-11-06 21:26:26,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:26:26,517 INFO L225 Difference]: With dead ends: 547300 [2018-11-06 21:26:26,517 INFO L226 Difference]: Without dead ends: 272478 [2018-11-06 21:26:26,643 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:26:26,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272478 states. [2018-11-06 21:26:36,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272478 to 262210. [2018-11-06 21:26:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262210 states. [2018-11-06 21:26:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262210 states to 262210 states and 290906 transitions. [2018-11-06 21:26:36,523 INFO L78 Accepts]: Start accepts. Automaton has 262210 states and 290906 transitions. Word has length 748 [2018-11-06 21:26:36,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:26:36,524 INFO L480 AbstractCegarLoop]: Abstraction has 262210 states and 290906 transitions. [2018-11-06 21:26:36,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:26:36,524 INFO L276 IsEmpty]: Start isEmpty. Operand 262210 states and 290906 transitions. [2018-11-06 21:26:36,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 854 [2018-11-06 21:26:36,569 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:26:36,569 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:26:36,570 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:26:36,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:26:36,570 INFO L82 PathProgramCache]: Analyzing trace with hash -900508273, now seen corresponding path program 1 times [2018-11-06 21:26:36,570 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:26:36,570 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:26:36,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:36,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:26:36,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:26:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 1301 proven. 0 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2018-11-06 21:26:38,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:26:38,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 21:26:38,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:26:38,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:26:38,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:26:38,675 INFO L87 Difference]: Start difference. First operand 262210 states and 290906 transitions. Second operand 4 states. [2018-11-06 21:26:48,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:26:48,707 INFO L93 Difference]: Finished difference Result 511778 states and 568710 transitions. [2018-11-06 21:26:48,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:26:48,708 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 853 [2018-11-06 21:26:48,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:26:49,102 INFO L225 Difference]: With dead ends: 511778 [2018-11-06 21:26:49,103 INFO L226 Difference]: Without dead ends: 250358 [2018-11-06 21:26:49,238 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 5 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:26:49,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250358 states. [2018-11-06 21:26:52,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250358 to 210940. [2018-11-06 21:26:52,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210940 states. [2018-11-06 21:26:53,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210940 states to 210940 states and 226953 transitions. [2018-11-06 21:26:53,135 INFO L78 Accepts]: Start accepts. Automaton has 210940 states and 226953 transitions. Word has length 853 [2018-11-06 21:26:53,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:26:53,136 INFO L480 AbstractCegarLoop]: Abstraction has 210940 states and 226953 transitions. [2018-11-06 21:26:53,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:26:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 210940 states and 226953 transitions. [2018-11-06 21:26:53,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1256 [2018-11-06 21:26:53,245 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:26:53,246 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:26:53,246 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:26:53,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:26:53,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1199810611, now seen corresponding path program 1 times [2018-11-06 21:26:53,247 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:26:53,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:26:53,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:53,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:26:53,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:26:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:26:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 1473 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2018-11-06 21:26:55,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:26:55,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:26:55,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 21:26:55,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 21:26:55,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 21:26:55,590 INFO L87 Difference]: Start difference. First operand 210940 states and 226953 transitions. Second operand 3 states. [2018-11-06 21:27:02,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:27:02,850 INFO L93 Difference]: Finished difference Result 462925 states and 497842 transitions. [2018-11-06 21:27:02,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 21:27:02,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1255 [2018-11-06 21:27:02,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:27:03,148 INFO L225 Difference]: With dead ends: 462925 [2018-11-06 21:27:03,149 INFO L226 Difference]: Without dead ends: 252775 [2018-11-06 21:27:03,241 INFO L604 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 [2018-11-06 21:27:03,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252775 states. [2018-11-06 21:27:05,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252775 to 244045. [2018-11-06 21:27:05,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244045 states. [2018-11-06 21:27:05,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244045 states to 244045 states and 261417 transitions. [2018-11-06 21:27:05,938 INFO L78 Accepts]: Start accepts. Automaton has 244045 states and 261417 transitions. Word has length 1255 [2018-11-06 21:27:05,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:27:05,938 INFO L480 AbstractCegarLoop]: Abstraction has 244045 states and 261417 transitions. [2018-11-06 21:27:05,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-06 21:27:05,939 INFO L276 IsEmpty]: Start isEmpty. Operand 244045 states and 261417 transitions. [2018-11-06 21:27:06,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1289 [2018-11-06 21:27:06,033 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:27:06,034 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:27:06,034 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:27:06,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:27:06,035 INFO L82 PathProgramCache]: Analyzing trace with hash 616737761, now seen corresponding path program 1 times [2018-11-06 21:27:06,035 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:27:06,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:27:06,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:27:06,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:27:06,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:27:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:27:12,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2168 backedges. 1529 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2018-11-06 21:27:12,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:27:12,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 21:27:12,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 21:27:12,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 21:27:12,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 21:27:12,587 INFO L87 Difference]: Start difference. First operand 244045 states and 261417 transitions. Second operand 5 states. Received shutdown request... [2018-11-06 21:27:23,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-06 21:27:23,041 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-06 21:27:23,047 WARN L205 ceAbstractionStarter]: Timeout [2018-11-06 21:27:23,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:27:23 BoogieIcfgContainer [2018-11-06 21:27:23,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 21:27:23,048 INFO L168 Benchmark]: Toolchain (without parser) took 218368.69 ms. Allocated memory was 1.5 GB in the beginning and 4.5 GB in the end (delta: 3.0 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.0 GB). Peak memory consumption was 921.1 MB. Max. memory is 7.1 GB. [2018-11-06 21:27:23,049 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-11-06 21:27:23,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2611.41 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. [2018-11-06 21:27:23,051 INFO L168 Benchmark]: Boogie Procedure Inliner took 813.50 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 824.7 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 67.7 MB. Max. memory is 7.1 GB. [2018-11-06 21:27:23,052 INFO L168 Benchmark]: Boogie Preprocessor took 574.52 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: 75.3 MB). Peak memory consumption was 75.3 MB. Max. memory is 7.1 GB. [2018-11-06 21:27:23,053 INFO L168 Benchmark]: RCFGBuilder took 11577.60 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 235.9 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 38.9 MB). Peak memory consumption was 565.9 MB. Max. memory is 7.1 GB. [2018-11-06 21:27:23,054 INFO L168 Benchmark]: TraceAbstraction took 202785.09 ms. Allocated memory was 2.6 GB in the beginning and 4.5 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 505.6 MB. Max. memory is 7.1 GB. [2018-11-06 21:27:23,059 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 2611.41 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 813.50 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 824.7 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 67.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 574.52 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: 75.3 MB). Peak memory consumption was 75.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11577.60 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 235.9 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 38.9 MB). Peak memory consumption was 565.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 202785.09 ms. Allocated memory was 2.6 GB in the beginning and 4.5 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 505.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 195]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 195). Cancelled while BasicCegarLoop was constructing difference of abstraction (244045states) and FLOYD_HOARE automaton (currently 5 states, 5 states before enhancement),while ReachableStatesComputation was computing reachable states (404203 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1099 locations, 1 error locations. TIMEOUT Result, 202.7s OverallTime, 10 OverallIterations, 7 TraceHistogramMax, 155.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5580 SDtfs, 38551 SDslu, 2854 SDs, 0 SdLazy, 62063 SolverSat, 24632 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 116.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1052 GetRequests, 1006 SyntacticMatches, 9 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=275612occurred 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: 27.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 91940 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 7520 NumberOfCodeBlocks, 7520 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 7507 ConstructedInterpolants, 0 QuantifiedInterpolants, 10532564 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1318 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 11274/11455 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown