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/Problem19_label51_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 19:45:51,541 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 19:45:51,543 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 19:45:51,555 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 19:45:51,556 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 19:45:51,557 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 19:45:51,558 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 19:45:51,560 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 19:45:51,562 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 19:45:51,562 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 19:45:51,563 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 19:45:51,564 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 19:45:51,567 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 19:45:51,568 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 19:45:51,571 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 19:45:51,578 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 19:45:51,579 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 19:45:51,581 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 19:45:51,583 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 19:45:51,588 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 19:45:51,589 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 19:45:51,592 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 19:45:51,595 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 19:45:51,595 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 19:45:51,595 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 19:45:51,599 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 19:45:51,600 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 19:45:51,600 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 19:45:51,602 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 19:45:51,605 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 19:45:51,605 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 19:45:51,607 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-06 19:45:51,613 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 19:45:51,640 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 19:45:51,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 19:45:51,641 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 19:45:51,641 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 19:45:51,643 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 19:45:51,643 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 19:45:51,643 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 19:45:51,643 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 19:45:51,643 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 19:45:51,644 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 19:45:51,644 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 19:45:51,644 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 19:45:51,644 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 19:45:51,644 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 19:45:51,645 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 19:45:51,645 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 19:45:51,645 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 19:45:51,645 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 19:45:51,645 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 19:45:51,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 19:45:51,646 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 19:45:51,646 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 19:45:51,646 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 19:45:51,646 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 19:45:51,646 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 19:45:51,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 19:45:51,647 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 19:45:51,647 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 19:45:51,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 19:45:51,720 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 19:45:51,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 19:45:51,728 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 19:45:51,729 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 19:45:51,730 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label51_false-unreach-call.c [2018-11-06 19:45:51,803 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b49890d3/d9f8ab88111943b2923cc53972bb5b77/FLAGd148d6610 [2018-11-06 19:45:52,728 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 19:45:52,729 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label51_false-unreach-call.c [2018-11-06 19:45:52,776 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b49890d3/d9f8ab88111943b2923cc53972bb5b77/FLAGd148d6610 [2018-11-06 19:45:52,791 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b49890d3/d9f8ab88111943b2923cc53972bb5b77 [2018-11-06 19:45:52,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 19:45:52,804 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 19:45:52,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 19:45:52,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 19:45:52,810 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 19:45:52,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:45:52" (1/1) ... [2018-11-06 19:45:52,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627d1230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:45:52, skipping insertion in model container [2018-11-06 19:45:52,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:45:52" (1/1) ... [2018-11-06 19:45:52,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 19:45:53,071 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 19:45:55,014 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 19:45:55,019 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 19:45:56,179 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 19:45:56,235 INFO L193 MainTranslator]: Completed translation [2018-11-06 19:45:56,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:45:56 WrapperNode [2018-11-06 19:45:56,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 19:45:56,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 19:45:56,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 19:45:56,237 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 19:45:56,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:45:56" (1/1) ... [2018-11-06 19:45:56,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:45:56" (1/1) ... [2018-11-06 19:45:57,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 19:45:57,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 19:45:57,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 19:45:57,254 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 19:45:57,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:45:56" (1/1) ... [2018-11-06 19:45:57,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:45:56" (1/1) ... [2018-11-06 19:45:57,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:45:56" (1/1) ... [2018-11-06 19:45:57,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:45:56" (1/1) ... [2018-11-06 19:45:57,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:45:56" (1/1) ... [2018-11-06 19:45:57,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:45:56" (1/1) ... [2018-11-06 19:45:57,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:45:56" (1/1) ... [2018-11-06 19:45:57,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 19:45:57,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 19:45:57,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 19:45:57,970 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 19:45:57,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:45:56" (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 19:45:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 19:45:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 19:45:58,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 19:46:16,345 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 19:46:16,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:46:16 BoogieIcfgContainer [2018-11-06 19:46:16,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 19:46:16,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 19:46:16,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 19:46:16,350 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 19:46:16,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:45:52" (1/3) ... [2018-11-06 19:46:16,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a9d057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:46:16, skipping insertion in model container [2018-11-06 19:46:16,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:45:56" (2/3) ... [2018-11-06 19:46:16,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a9d057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:46:16, skipping insertion in model container [2018-11-06 19:46:16,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:46:16" (3/3) ... [2018-11-06 19:46:16,354 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label51_false-unreach-call.c [2018-11-06 19:46:16,364 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 19:46:16,375 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 19:46:16,393 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 19:46:16,451 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 19:46:16,452 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 19:46:16,452 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 19:46:16,452 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 19:46:16,452 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 19:46:16,452 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 19:46:16,453 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 19:46:16,453 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 19:46:16,453 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 19:46:16,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-11-06 19:46:16,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-06 19:46:16,509 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:46:16,510 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 19:46:16,513 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:46:16,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:46:16,519 INFO L82 PathProgramCache]: Analyzing trace with hash 670581594, now seen corresponding path program 1 times [2018-11-06 19:46:16,521 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:46:16,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:46:16,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:46:16,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:46:16,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:46:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:46:16,905 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 19:46:16,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:46:16,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:46:16,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:46:16,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:46:16,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:46:16,934 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-11-06 19:46:42,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:46:42,353 INFO L93 Difference]: Finished difference Result 6322 states and 12078 transitions. [2018-11-06 19:46:42,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:46:42,356 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-11-06 19:46:42,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:46:42,414 INFO L225 Difference]: With dead ends: 6322 [2018-11-06 19:46:42,414 INFO L226 Difference]: Without dead ends: 4566 [2018-11-06 19:46:42,423 INFO L604 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 [2018-11-06 19:46:42,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4566 states. [2018-11-06 19:46:42,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4566 to 4562. [2018-11-06 19:46:42,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4562 states. [2018-11-06 19:46:42,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4562 states to 4562 states and 7763 transitions. [2018-11-06 19:46:42,630 INFO L78 Accepts]: Start accepts. Automaton has 4562 states and 7763 transitions. Word has length 18 [2018-11-06 19:46:42,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:46:42,630 INFO L480 AbstractCegarLoop]: Abstraction has 4562 states and 7763 transitions. [2018-11-06 19:46:42,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:46:42,631 INFO L276 IsEmpty]: Start isEmpty. Operand 4562 states and 7763 transitions. [2018-11-06 19:46:42,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-06 19:46:42,636 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:46:42,636 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-06 19:46:42,637 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:46:42,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:46:42,638 INFO L82 PathProgramCache]: Analyzing trace with hash 586332882, now seen corresponding path program 1 times [2018-11-06 19:46:42,638 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:46:42,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:46:42,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:46:42,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:46:42,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:46:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:46:43,008 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:46:43,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:46:43,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:46:43,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:46:43,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:46:43,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:46:43,011 INFO L87 Difference]: Start difference. First operand 4562 states and 7763 transitions. Second operand 4 states. [2018-11-06 19:47:04,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:47:04,768 INFO L93 Difference]: Finished difference Result 17536 states and 30099 transitions. [2018-11-06 19:47:04,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:47:04,769 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-11-06 19:47:04,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:47:04,834 INFO L225 Difference]: With dead ends: 17536 [2018-11-06 19:47:04,834 INFO L226 Difference]: Without dead ends: 12976 [2018-11-06 19:47:04,843 INFO L604 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 [2018-11-06 19:47:04,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12976 states. [2018-11-06 19:47:05,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12976 to 8660. [2018-11-06 19:47:05,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8660 states. [2018-11-06 19:47:05,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8660 states to 8660 states and 14380 transitions. [2018-11-06 19:47:05,050 INFO L78 Accepts]: Start accepts. Automaton has 8660 states and 14380 transitions. Word has length 88 [2018-11-06 19:47:05,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:47:05,051 INFO L480 AbstractCegarLoop]: Abstraction has 8660 states and 14380 transitions. [2018-11-06 19:47:05,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:47:05,051 INFO L276 IsEmpty]: Start isEmpty. Operand 8660 states and 14380 transitions. [2018-11-06 19:47:05,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-06 19:47:05,057 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:47:05,057 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-06 19:47:05,060 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:47:05,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:47:05,061 INFO L82 PathProgramCache]: Analyzing trace with hash 872305381, now seen corresponding path program 1 times [2018-11-06 19:47:05,061 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:47:05,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:47:05,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:47:05,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:47:05,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:47:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:47:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:47:05,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:47:05,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:47:05,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:47:05,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:47:05,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:47:05,426 INFO L87 Difference]: Start difference. First operand 8660 states and 14380 transitions. Second operand 4 states. [2018-11-06 19:47:20,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:47:20,903 INFO L93 Difference]: Finished difference Result 33813 states and 56473 transitions. [2018-11-06 19:47:20,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:47:20,905 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2018-11-06 19:47:20,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:47:20,976 INFO L225 Difference]: With dead ends: 33813 [2018-11-06 19:47:20,976 INFO L226 Difference]: Without dead ends: 25155 [2018-11-06 19:47:20,990 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 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 19:47:21,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25155 states. [2018-11-06 19:47:21,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25155 to 16865. [2018-11-06 19:47:21,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16865 states. [2018-11-06 19:47:21,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16865 states to 16865 states and 24314 transitions. [2018-11-06 19:47:21,398 INFO L78 Accepts]: Start accepts. Automaton has 16865 states and 24314 transitions. Word has length 110 [2018-11-06 19:47:21,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:47:21,399 INFO L480 AbstractCegarLoop]: Abstraction has 16865 states and 24314 transitions. [2018-11-06 19:47:21,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:47:21,399 INFO L276 IsEmpty]: Start isEmpty. Operand 16865 states and 24314 transitions. [2018-11-06 19:47:21,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-06 19:47:21,407 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:47:21,412 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-06 19:47:21,412 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:47:21,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:47:21,413 INFO L82 PathProgramCache]: Analyzing trace with hash -453547303, now seen corresponding path program 1 times [2018-11-06 19:47:21,413 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:47:21,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:47:21,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:47:21,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:47:21,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:47:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:47:21,716 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 19:47:21,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:47:21,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:47:21,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:47:21,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:47:21,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:47:21,719 INFO L87 Difference]: Start difference. First operand 16865 states and 24314 transitions. Second operand 4 states. [2018-11-06 19:47:37,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:47:37,366 INFO L93 Difference]: Finished difference Result 65426 states and 94868 transitions. [2018-11-06 19:47:37,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:47:37,375 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2018-11-06 19:47:37,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:47:37,485 INFO L225 Difference]: With dead ends: 65426 [2018-11-06 19:47:37,486 INFO L226 Difference]: Without dead ends: 48563 [2018-11-06 19:47:37,510 INFO L604 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 [2018-11-06 19:47:37,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48563 states. [2018-11-06 19:47:38,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48563 to 48550. [2018-11-06 19:47:38,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48550 states. [2018-11-06 19:47:38,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48550 states to 48550 states and 63472 transitions. [2018-11-06 19:47:38,153 INFO L78 Accepts]: Start accepts. Automaton has 48550 states and 63472 transitions. Word has length 119 [2018-11-06 19:47:38,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:47:38,153 INFO L480 AbstractCegarLoop]: Abstraction has 48550 states and 63472 transitions. [2018-11-06 19:47:38,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:47:38,155 INFO L276 IsEmpty]: Start isEmpty. Operand 48550 states and 63472 transitions. [2018-11-06 19:47:38,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-06 19:47:38,160 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:47:38,161 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:38,161 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:47:38,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:47:38,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1820684780, now seen corresponding path program 1 times [2018-11-06 19:47:38,164 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:47:38,165 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:47:38,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:47:38,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:47:38,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:47:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:47:38,581 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-06 19:47:38,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:47:38,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:47:38,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:47:38,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:47:38,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:47:38,583 INFO L87 Difference]: Start difference. First operand 48550 states and 63472 transitions. Second operand 4 states. [2018-11-06 19:47:52,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:47:52,790 INFO L93 Difference]: Finished difference Result 112127 states and 144774 transitions. [2018-11-06 19:47:52,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:47:52,791 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 181 [2018-11-06 19:47:52,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:47:52,909 INFO L225 Difference]: With dead ends: 112127 [2018-11-06 19:47:52,909 INFO L226 Difference]: Without dead ends: 63579 [2018-11-06 19:47:52,960 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:47:53,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63579 states. [2018-11-06 19:47:53,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63579 to 63570. [2018-11-06 19:47:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63570 states. [2018-11-06 19:47:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63570 states to 63570 states and 77358 transitions. [2018-11-06 19:47:53,701 INFO L78 Accepts]: Start accepts. Automaton has 63570 states and 77358 transitions. Word has length 181 [2018-11-06 19:47:53,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:47:53,701 INFO L480 AbstractCegarLoop]: Abstraction has 63570 states and 77358 transitions. [2018-11-06 19:47:53,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:47:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 63570 states and 77358 transitions. [2018-11-06 19:47:53,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2018-11-06 19:47:53,722 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:47:53,723 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 19:47:53,723 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:47:53,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:47:53,724 INFO L82 PathProgramCache]: Analyzing trace with hash -830257455, now seen corresponding path program 1 times [2018-11-06 19:47:53,724 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:47:53,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:47:53,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:47:53,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:47:53,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:47:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:47:55,177 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-06 19:47:55,742 WARN L179 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 21 [2018-11-06 19:47:56,446 WARN L179 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2018-11-06 19:47:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-06 19:47:57,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:47:57,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-06 19:47:57,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-06 19:47:57,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-06 19:47:57,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-06 19:47:57,703 INFO L87 Difference]: Start difference. First operand 63570 states and 77358 transitions. Second operand 8 states. [2018-11-06 19:48:17,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:48:17,809 INFO L93 Difference]: Finished difference Result 174483 states and 212363 transitions. [2018-11-06 19:48:17,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-06 19:48:17,809 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 754 [2018-11-06 19:48:17,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:48:18,402 INFO L225 Difference]: With dead ends: 174483 [2018-11-06 19:48:18,403 INFO L226 Difference]: Without dead ends: 110915 [2018-11-06 19:48:18,450 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2018-11-06 19:48:18,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110915 states. [2018-11-06 19:48:19,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110915 to 64936. [2018-11-06 19:48:19,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64936 states. [2018-11-06 19:48:19,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64936 states to 64936 states and 78730 transitions. [2018-11-06 19:48:19,444 INFO L78 Accepts]: Start accepts. Automaton has 64936 states and 78730 transitions. Word has length 754 [2018-11-06 19:48:19,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:48:19,445 INFO L480 AbstractCegarLoop]: Abstraction has 64936 states and 78730 transitions. [2018-11-06 19:48:19,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-06 19:48:19,446 INFO L276 IsEmpty]: Start isEmpty. Operand 64936 states and 78730 transitions. [2018-11-06 19:48:19,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2018-11-06 19:48:19,487 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:48:19,488 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 19:48:19,489 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:48:19,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:48:19,489 INFO L82 PathProgramCache]: Analyzing trace with hash -447355457, now seen corresponding path program 1 times [2018-11-06 19:48:19,489 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:48:19,489 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:48:19,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:19,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:48:19,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:48:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 415 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-11-06 19:48:20,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:48:20,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-06 19:48:20,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 19:48:20,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 19:48:20,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 19:48:20,717 INFO L87 Difference]: Start difference. First operand 64936 states and 78730 transitions. Second operand 5 states. [2018-11-06 19:48:45,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:48:45,262 INFO L93 Difference]: Finished difference Result 229770 states and 282817 transitions. [2018-11-06 19:48:45,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-06 19:48:45,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 873 [2018-11-06 19:48:45,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:48:45,461 INFO L225 Difference]: With dead ends: 229770 [2018-11-06 19:48:45,461 INFO L226 Difference]: Without dead ends: 166202 [2018-11-06 19:48:45,531 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 19:48:45,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166202 states. [2018-11-06 19:48:47,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166202 to 127786. [2018-11-06 19:48:47,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127786 states. [2018-11-06 19:48:47,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127786 states to 127786 states and 154598 transitions. [2018-11-06 19:48:47,606 INFO L78 Accepts]: Start accepts. Automaton has 127786 states and 154598 transitions. Word has length 873 [2018-11-06 19:48:47,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:48:47,607 INFO L480 AbstractCegarLoop]: Abstraction has 127786 states and 154598 transitions. [2018-11-06 19:48:47,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 19:48:47,607 INFO L276 IsEmpty]: Start isEmpty. Operand 127786 states and 154598 transitions. [2018-11-06 19:48:47,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 932 [2018-11-06 19:48:47,621 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:48:47,622 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:48:47,623 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:48:47,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:48:47,623 INFO L82 PathProgramCache]: Analyzing trace with hash 2138505184, now seen corresponding path program 1 times [2018-11-06 19:48:47,624 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:48:47,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:48:47,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:47,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:48:47,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:48:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:48:48,600 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2018-11-06 19:48:48,600 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:48:48,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 19:48:48,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 19:48:48,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 19:48:48,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 19:48:48,602 INFO L87 Difference]: Start difference. First operand 127786 states and 154598 transitions. Second operand 4 states. [2018-11-06 19:49:04,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:49:04,905 INFO L93 Difference]: Finished difference Result 254197 states and 307815 transitions. [2018-11-06 19:49:04,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 19:49:04,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 931 [2018-11-06 19:49:04,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:49:05,060 INFO L225 Difference]: With dead ends: 254197 [2018-11-06 19:49:05,061 INFO L226 Difference]: Without dead ends: 127779 [2018-11-06 19:49:05,135 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 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 19:49:05,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127779 states. [2018-11-06 19:49:07,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127779 to 116844. [2018-11-06 19:49:07,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116844 states. [2018-11-06 19:49:07,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116844 states to 116844 states and 134216 transitions. [2018-11-06 19:49:07,269 INFO L78 Accepts]: Start accepts. Automaton has 116844 states and 134216 transitions. Word has length 931 [2018-11-06 19:49:07,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:49:07,271 INFO L480 AbstractCegarLoop]: Abstraction has 116844 states and 134216 transitions. [2018-11-06 19:49:07,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 19:49:07,271 INFO L276 IsEmpty]: Start isEmpty. Operand 116844 states and 134216 transitions. [2018-11-06 19:49:07,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2018-11-06 19:49:07,285 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:49:07,286 INFO L375 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-06 19:49:07,286 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:49:07,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:49:07,287 INFO L82 PathProgramCache]: Analyzing trace with hash -447044229, now seen corresponding path program 1 times [2018-11-06 19:49:07,287 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:49:07,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:49:07,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:07,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:49:07,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:49:09,597 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2018-11-06 19:49:09,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:49:09,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:49:09,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 19:49:09,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 19:49:09,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 19:49:09,600 INFO L87 Difference]: Start difference. First operand 116844 states and 134216 transitions. Second operand 3 states. [2018-11-06 19:49:19,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 19:49:19,852 INFO L93 Difference]: Finished difference Result 269201 states and 309855 transitions. [2018-11-06 19:49:19,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 19:49:19,853 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 957 [2018-11-06 19:49:19,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 19:49:20,028 INFO L225 Difference]: With dead ends: 269201 [2018-11-06 19:49:20,028 INFO L226 Difference]: Without dead ends: 153725 [2018-11-06 19:49:20,104 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 19:49:20,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153725 states. [2018-11-06 19:49:22,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153725 to 146894. [2018-11-06 19:49:22,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146894 states. [2018-11-06 19:49:22,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146894 states to 146894 states and 167208 transitions. [2018-11-06 19:49:22,730 INFO L78 Accepts]: Start accepts. Automaton has 146894 states and 167208 transitions. Word has length 957 [2018-11-06 19:49:22,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 19:49:22,732 INFO L480 AbstractCegarLoop]: Abstraction has 146894 states and 167208 transitions. [2018-11-06 19:49:22,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-06 19:49:22,732 INFO L276 IsEmpty]: Start isEmpty. Operand 146894 states and 167208 transitions. [2018-11-06 19:49:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1015 [2018-11-06 19:49:22,747 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 19:49:22,748 INFO L375 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:22,748 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 19:49:22,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 19:49:22,749 INFO L82 PathProgramCache]: Analyzing trace with hash -929290705, now seen corresponding path program 1 times [2018-11-06 19:49:22,749 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 19:49:22,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 19:49:22,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:22,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 19:49:22,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 19:49:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 19:49:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2018-11-06 19:49:25,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 19:49:25,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 19:49:25,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 19:49:25,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 19:49:25,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 19:49:25,500 INFO L87 Difference]: Start difference. First operand 146894 states and 167208 transitions. Second operand 3 states. Received shutdown request... [2018-11-06 19:49:34,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 19:49:34,229 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-06 19:49:34,236 WARN L205 ceAbstractionStarter]: Timeout [2018-11-06 19:49:34,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 07:49:34 BoogieIcfgContainer [2018-11-06 19:49:34,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 19:49:34,237 INFO L168 Benchmark]: Toolchain (without parser) took 221434.52 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 295.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-11-06 19:49:34,239 INFO L168 Benchmark]: CDTParser took 0.25 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 19:49:34,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3430.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 402.5 MB). Peak memory consumption was 402.5 MB. Max. memory is 7.1 GB. [2018-11-06 19:49:34,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 1016.93 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 868.2 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2018-11-06 19:49:34,241 INFO L168 Benchmark]: Boogie Preprocessor took 715.48 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: 110.5 MB). Peak memory consumption was 110.5 MB. Max. memory is 7.1 GB. [2018-11-06 19:49:34,242 INFO L168 Benchmark]: RCFGBuilder took 18376.24 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 306.7 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -384.4 MB). Peak memory consumption was 805.7 MB. Max. memory is 7.1 GB. [2018-11-06 19:49:34,243 INFO L168 Benchmark]: TraceAbstraction took 197889.88 ms. Allocated memory was 2.7 GB in the beginning and 3.3 GB in the end (delta: 614.5 MB). Free memory was 2.4 GB in the beginning and 1.1 GB in the end (delta: 1.3 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-11-06 19:49:34,248 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 3430.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 402.5 MB). Peak memory consumption was 402.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1016.93 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 868.2 MB). Free memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 715.48 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: 110.5 MB). Peak memory consumption was 110.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18376.24 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 306.7 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -384.4 MB). Peak memory consumption was 805.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 197889.88 ms. Allocated memory was 2.7 GB in the beginning and 3.3 GB in the end (delta: 614.5 MB). Free memory was 2.4 GB in the beginning and 1.1 GB in the end (delta: 1.3 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 67). Cancelled while BasicCegarLoop was constructing difference of abstraction (146894states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement),while ReachableStatesComputation was computing reachable states (141411 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 197.7s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 174.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16655 SDtfs, 40759 SDslu, 9085 SDs, 0 SdLazy, 77913 SolverSat, 21229 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 142.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 15 SyntacticMatches, 11 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146894occurred in iteration=9, 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: 10.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 114793 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 5045 NumberOfCodeBlocks, 5045 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 5035 ConstructedInterpolants, 0 QuantifiedInterpolants, 10356114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 3178/3178 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown