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/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label05_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 03:51:59,442 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 03:51:59,444 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 03:51:59,458 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 03:51:59,458 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 03:51:59,459 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 03:51:59,460 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 03:51:59,462 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 03:51:59,464 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 03:51:59,465 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 03:51:59,466 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 03:51:59,466 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 03:51:59,467 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 03:51:59,468 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 03:51:59,469 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 03:51:59,470 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 03:51:59,470 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 03:51:59,472 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 03:51:59,474 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 03:51:59,476 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 03:51:59,477 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 03:51:59,478 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 03:51:59,481 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 03:51:59,481 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 03:51:59,481 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 03:51:59,482 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 03:51:59,483 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 03:51:59,484 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 03:51:59,485 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 03:51:59,486 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 03:51:59,486 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 03:51:59,487 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 03:51:59,487 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 03:51:59,488 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 03:51:59,489 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 03:51:59,489 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 03:51:59,490 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 03:51:59,506 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 03:51:59,506 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 03:51:59,507 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 03:51:59,507 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 03:51:59,507 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 03:51:59,507 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 03:51:59,508 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 03:51:59,508 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 03:51:59,508 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 03:51:59,508 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 03:51:59,508 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 03:51:59,508 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 03:51:59,509 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 03:51:59,509 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 03:51:59,509 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 03:51:59,510 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 03:51:59,510 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 03:51:59,510 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 03:51:59,510 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 03:51:59,510 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 03:51:59,511 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 03:51:59,511 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 03:51:59,511 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 03:51:59,511 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 03:51:59,511 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:51:59,512 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 03:51:59,512 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 03:51:59,512 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 03:51:59,512 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 03:51:59,512 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 03:51:59,513 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 03:51:59,513 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 03:51:59,513 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 03:51:59,513 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 03:51:59,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 03:51:59,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 03:51:59,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 03:51:59,592 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 03:51:59,592 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 03:51:59,593 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label05_true-unreach-call.c [2018-11-07 03:51:59,654 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40436ac6b/9e0ecd3a1d284fd8a71bb14bfa254017/FLAG75d0d400a [2018-11-07 03:52:00,423 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 03:52:00,424 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label05_true-unreach-call.c [2018-11-07 03:52:00,448 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40436ac6b/9e0ecd3a1d284fd8a71bb14bfa254017/FLAG75d0d400a [2018-11-07 03:52:00,465 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40436ac6b/9e0ecd3a1d284fd8a71bb14bfa254017 [2018-11-07 03:52:00,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 03:52:00,479 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 03:52:00,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 03:52:00,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 03:52:00,487 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 03:52:00,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:52:00" (1/1) ... [2018-11-07 03:52:00,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128ae895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:00, skipping insertion in model container [2018-11-07 03:52:00,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:52:00" (1/1) ... [2018-11-07 03:52:00,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 03:52:00,627 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 03:52:01,676 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:52:01,680 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 03:52:02,067 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:52:02,092 INFO L193 MainTranslator]: Completed translation [2018-11-07 03:52:02,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:02 WrapperNode [2018-11-07 03:52:02,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 03:52:02,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 03:52:02,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 03:52:02,095 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 03:52:02,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:02" (1/1) ... [2018-11-07 03:52:02,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:02" (1/1) ... [2018-11-07 03:52:02,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 03:52:02,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 03:52:02,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 03:52:02,367 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 03:52:02,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:02" (1/1) ... [2018-11-07 03:52:02,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:02" (1/1) ... [2018-11-07 03:52:02,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:02" (1/1) ... [2018-11-07 03:52:02,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:02" (1/1) ... [2018-11-07 03:52:02,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:02" (1/1) ... [2018-11-07 03:52:02,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:02" (1/1) ... [2018-11-07 03:52:02,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:02" (1/1) ... [2018-11-07 03:52:02,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 03:52:02,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 03:52:02,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 03:52:02,575 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 03:52:02,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:02" (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 [2018-11-07 03:52:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 03:52:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 03:52:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 03:52:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 03:52:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 03:52:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 03:52:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 03:52:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 03:52:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 03:52:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 03:52:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 03:52:12,460 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 03:52:12,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:52:12 BoogieIcfgContainer [2018-11-07 03:52:12,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 03:52:12,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 03:52:12,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 03:52:12,466 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 03:52:12,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:52:00" (1/3) ... [2018-11-07 03:52:12,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e85783a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:52:12, skipping insertion in model container [2018-11-07 03:52:12,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:52:02" (2/3) ... [2018-11-07 03:52:12,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e85783a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:52:12, skipping insertion in model container [2018-11-07 03:52:12,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:52:12" (3/3) ... [2018-11-07 03:52:12,470 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label05_true-unreach-call.c [2018-11-07 03:52:12,480 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 03:52:12,490 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 03:52:12,506 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 03:52:12,549 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 03:52:12,549 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 03:52:12,549 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 03:52:12,550 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 03:52:12,550 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 03:52:12,550 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 03:52:12,550 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 03:52:12,550 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 03:52:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-11-07 03:52:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-07 03:52:12,599 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:52:12,600 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, 1, 1, 1, 1, 1, 1] [2018-11-07 03:52:12,602 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:52:12,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:52:12,608 INFO L82 PathProgramCache]: Analyzing trace with hash -2043862628, now seen corresponding path program 1 times [2018-11-07 03:52:12,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:52:12,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:52:12,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:52:12,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:52:12,661 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:52:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:52:13,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:52:13,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:52:13,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:52:13,166 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:52:13,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:52:13,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:52:13,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:52:13,216 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-11-07 03:52:21,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:52:21,179 INFO L93 Difference]: Finished difference Result 2166 states and 4013 transitions. [2018-11-07 03:52:21,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:52:21,180 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2018-11-07 03:52:21,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:52:21,213 INFO L225 Difference]: With dead ends: 2166 [2018-11-07 03:52:21,213 INFO L226 Difference]: Without dead ends: 1556 [2018-11-07 03:52:21,223 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:52:21,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2018-11-07 03:52:21,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1068. [2018-11-07 03:52:21,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1068 states. [2018-11-07 03:52:21,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1850 transitions. [2018-11-07 03:52:21,348 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1850 transitions. Word has length 68 [2018-11-07 03:52:21,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:52:21,349 INFO L480 AbstractCegarLoop]: Abstraction has 1068 states and 1850 transitions. [2018-11-07 03:52:21,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:52:21,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1850 transitions. [2018-11-07 03:52:21,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-07 03:52:21,357 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:52:21,358 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, 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] [2018-11-07 03:52:21,358 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:52:21,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:52:21,359 INFO L82 PathProgramCache]: Analyzing trace with hash -2068589566, now seen corresponding path program 1 times [2018-11-07 03:52:21,359 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:52:21,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:52:21,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:52:21,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:52:21,361 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:52:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:52:21,662 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:52:21,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:52:21,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:52:21,662 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:52:21,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:52:21,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:52:21,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:52:21,665 INFO L87 Difference]: Start difference. First operand 1068 states and 1850 transitions. Second operand 6 states. [2018-11-07 03:52:28,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:52:28,641 INFO L93 Difference]: Finished difference Result 3059 states and 5419 transitions. [2018-11-07 03:52:28,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:52:28,644 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2018-11-07 03:52:28,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:52:28,661 INFO L225 Difference]: With dead ends: 3059 [2018-11-07 03:52:28,661 INFO L226 Difference]: Without dead ends: 1997 [2018-11-07 03:52:28,665 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:52:28,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2018-11-07 03:52:28,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1975. [2018-11-07 03:52:28,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1975 states. [2018-11-07 03:52:28,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 3181 transitions. [2018-11-07 03:52:28,747 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 3181 transitions. Word has length 144 [2018-11-07 03:52:28,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:52:28,748 INFO L480 AbstractCegarLoop]: Abstraction has 1975 states and 3181 transitions. [2018-11-07 03:52:28,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:52:28,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 3181 transitions. [2018-11-07 03:52:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-07 03:52:28,754 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:52:28,754 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, 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] [2018-11-07 03:52:28,754 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:52:28,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:52:28,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1218422790, now seen corresponding path program 1 times [2018-11-07 03:52:28,755 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:52:28,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:52:28,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:52:28,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:52:28,756 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:52:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:52:28,942 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:52:28,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:52:28,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:52:28,943 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:52:28,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:52:28,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:52:28,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:52:28,944 INFO L87 Difference]: Start difference. First operand 1975 states and 3181 transitions. Second operand 6 states. [2018-11-07 03:52:32,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:52:32,904 INFO L93 Difference]: Finished difference Result 4880 states and 7834 transitions. [2018-11-07 03:52:32,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:52:32,909 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2018-11-07 03:52:32,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:52:32,928 INFO L225 Difference]: With dead ends: 4880 [2018-11-07 03:52:32,928 INFO L226 Difference]: Without dead ends: 2911 [2018-11-07 03:52:32,936 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:52:32,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2911 states. [2018-11-07 03:52:33,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2911 to 2880. [2018-11-07 03:52:33,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2880 states. [2018-11-07 03:52:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 3936 transitions. [2018-11-07 03:52:33,020 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 3936 transitions. Word has length 148 [2018-11-07 03:52:33,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:52:33,020 INFO L480 AbstractCegarLoop]: Abstraction has 2880 states and 3936 transitions. [2018-11-07 03:52:33,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:52:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 3936 transitions. [2018-11-07 03:52:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-07 03:52:33,024 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:52:33,024 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:52:33,025 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:52:33,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:52:33,025 INFO L82 PathProgramCache]: Analyzing trace with hash -28677417, now seen corresponding path program 1 times [2018-11-07 03:52:33,025 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:52:33,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:52:33,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:52:33,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:52:33,027 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:52:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:52:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:52:33,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:52:33,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:52:33,294 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:52:33,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:52:33,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:52:33,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:52:33,295 INFO L87 Difference]: Start difference. First operand 2880 states and 3936 transitions. Second operand 4 states. [2018-11-07 03:52:37,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:52:37,516 INFO L93 Difference]: Finished difference Result 5754 states and 7882 transitions. [2018-11-07 03:52:37,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:52:37,517 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 178 [2018-11-07 03:52:37,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:52:37,530 INFO L225 Difference]: With dead ends: 5754 [2018-11-07 03:52:37,530 INFO L226 Difference]: Without dead ends: 2880 [2018-11-07 03:52:37,541 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:52:37,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2018-11-07 03:52:37,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2880. [2018-11-07 03:52:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2880 states. [2018-11-07 03:52:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 3720 transitions. [2018-11-07 03:52:37,605 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 3720 transitions. Word has length 178 [2018-11-07 03:52:37,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:52:37,605 INFO L480 AbstractCegarLoop]: Abstraction has 2880 states and 3720 transitions. [2018-11-07 03:52:37,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:52:37,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 3720 transitions. [2018-11-07 03:52:37,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-07 03:52:37,609 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:52:37,610 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, 3, 3, 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] [2018-11-07 03:52:37,610 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:52:37,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:52:37,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1314675152, now seen corresponding path program 1 times [2018-11-07 03:52:37,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:52:37,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:52:37,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:52:37,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:52:37,612 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:52:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:52:37,917 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-07 03:52:37,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:52:37,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:52:37,918 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:52:37,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:52:37,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:52:37,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:52:37,920 INFO L87 Difference]: Start difference. First operand 2880 states and 3720 transitions. Second operand 4 states. [2018-11-07 03:52:44,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:52:44,398 INFO L93 Difference]: Finished difference Result 11062 states and 14732 transitions. [2018-11-07 03:52:44,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:52:44,405 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 232 [2018-11-07 03:52:44,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:52:44,441 INFO L225 Difference]: With dead ends: 11062 [2018-11-07 03:52:44,441 INFO L226 Difference]: Without dead ends: 8188 [2018-11-07 03:52:44,456 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:52:44,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8188 states. [2018-11-07 03:52:44,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8188 to 8188. [2018-11-07 03:52:44,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8188 states. [2018-11-07 03:52:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8188 states to 8188 states and 10116 transitions. [2018-11-07 03:52:44,655 INFO L78 Accepts]: Start accepts. Automaton has 8188 states and 10116 transitions. Word has length 232 [2018-11-07 03:52:44,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:52:44,656 INFO L480 AbstractCegarLoop]: Abstraction has 8188 states and 10116 transitions. [2018-11-07 03:52:44,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:52:44,656 INFO L276 IsEmpty]: Start isEmpty. Operand 8188 states and 10116 transitions. [2018-11-07 03:52:44,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-07 03:52:44,664 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:52:44,664 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, 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] [2018-11-07 03:52:44,665 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:52:44,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:52:44,665 INFO L82 PathProgramCache]: Analyzing trace with hash 495416691, now seen corresponding path program 1 times [2018-11-07 03:52:44,665 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:52:44,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:52:44,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:52:44,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:52:44,667 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:52:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:52:45,272 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-07 03:52:45,414 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 122 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 03:52:45,414 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:52:45,414 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:52:45,415 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 256 with the following transitions: [2018-11-07 03:52:45,418 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1030], [1038], [1046], [1054], [1062], [1070], [1078], [1086], [1094], [1102], [1110], [1118], [1126], [1134], [1142], [1150], [1154], [1156], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1231], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1283], [1287], [1291], [1295], [1299], [1303], [1307], [1318], [1322], [1326], [1330], [1334], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-11-07 03:52:45,493 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:52:45,493 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:52:48,257 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:52:48,697 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:52:48,699 INFO L272 AbstractInterpreter]: Visited 115 different actions 115 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 03:52:48,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:52:48,713 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:52:51,162 INFO L227 lantSequenceWeakener]: Weakened 247 states. On average, predicates are now at 75.87% of their original sizes. [2018-11-07 03:52:51,162 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 03:52:51,784 INFO L415 sIntCurrentIteration]: We unified 254 AI predicates to 254 [2018-11-07 03:52:51,785 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 03:52:51,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 03:52:51,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-07 03:52:51,786 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:52:51,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 03:52:51,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 03:52:51,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-07 03:52:51,788 INFO L87 Difference]: Start difference. First operand 8188 states and 10116 transitions. Second operand 8 states. [2018-11-07 03:55:21,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:55:21,610 INFO L93 Difference]: Finished difference Result 16806 states and 20694 transitions. [2018-11-07 03:55:21,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 03:55:21,610 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 255 [2018-11-07 03:55:21,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:55:21,646 INFO L225 Difference]: With dead ends: 16806 [2018-11-07 03:55:21,646 INFO L226 Difference]: Without dead ends: 8624 [2018-11-07 03:55:21,668 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 256 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 03:55:21,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2018-11-07 03:55:21,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 8622. [2018-11-07 03:55:21,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8622 states. [2018-11-07 03:55:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8622 states to 8622 states and 10561 transitions. [2018-11-07 03:55:21,882 INFO L78 Accepts]: Start accepts. Automaton has 8622 states and 10561 transitions. Word has length 255 [2018-11-07 03:55:21,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:55:21,883 INFO L480 AbstractCegarLoop]: Abstraction has 8622 states and 10561 transitions. [2018-11-07 03:55:21,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 03:55:21,883 INFO L276 IsEmpty]: Start isEmpty. Operand 8622 states and 10561 transitions. [2018-11-07 03:55:21,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-07 03:55:21,898 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:55:21,898 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:55:21,899 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:55:21,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:55:21,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1331578978, now seen corresponding path program 1 times [2018-11-07 03:55:21,899 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:55:21,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:55:21,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:55:21,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:55:21,903 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:55:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:55:22,316 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 193 proven. 142 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-07 03:55:22,316 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:55:22,317 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:55:22,317 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 308 with the following transitions: [2018-11-07 03:55:22,317 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1030], [1038], [1046], [1054], [1062], [1070], [1078], [1086], [1094], [1102], [1110], [1118], [1126], [1134], [1142], [1150], [1154], [1156], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [1224], [1227], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1282], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-11-07 03:55:22,323 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:55:22,323 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:55:23,118 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-07 03:55:50,646 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-11-07 03:55:50,647 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-11-07 03:55:50,648 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 03:55:50,648 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:55:50,648 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 [2018-11-07 03:55:50,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:55:50,659 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 03:55:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:55:50,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 03:55:50,799 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-11-07 03:55:51,000 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 03:55:51,000 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 03:55:51,006 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 03:55:51,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:55:51 BoogieIcfgContainer [2018-11-07 03:55:51,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 03:55:51,008 INFO L168 Benchmark]: Toolchain (without parser) took 230529.86 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -264.3 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-07 03:55:51,009 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 03:55:51,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1613.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2018-11-07 03:55:51,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 272.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -916.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2018-11-07 03:55:51,012 INFO L168 Benchmark]: Boogie Preprocessor took 207.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2018-11-07 03:55:51,012 INFO L168 Benchmark]: RCFGBuilder took 9887.21 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 448.7 MB). Peak memory consumption was 448.7 MB. Max. memory is 7.1 GB. [2018-11-07 03:55:51,018 INFO L168 Benchmark]: TraceAbstraction took 218543.83 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 62.2 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-11-07 03:55:51,028 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1613.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 272.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -916.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 207.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9887.21 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 448.7 MB). Peak memory consumption was 448.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 218543.83 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 62.2 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 191]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 191). Cancelled while BasicCegarLoop was analyzing trace of length 308 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while XnfDer was eliminating 1 quantified variables from 2 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 218.4s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 179.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2675 SDtfs, 7824 SDslu, 1720 SDs, 0 SdLazy, 14712 SolverSat, 3166 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 139.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 292 GetRequests, 262 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8622occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 31.6s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9961841308298001 AbsIntWeakeningRatio, 0.1062992125984252 AbsIntAvgWeakeningVarsNumRemoved, 1054.476377952756 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 543 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1025 NumberOfCodeBlocks, 1025 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1019 ConstructedInterpolants, 0 QuantifiedInterpolants, 859380 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 508/580 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown