java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label42_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 23:13:02,489 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 23:13:02,491 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 23:13:02,506 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 23:13:02,506 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 23:13:02,507 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 23:13:02,509 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 23:13:02,512 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 23:13:02,515 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 23:13:02,516 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 23:13:02,518 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 23:13:02,519 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 23:13:02,520 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 23:13:02,521 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 23:13:02,526 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 23:13:02,527 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 23:13:02,527 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 23:13:02,531 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 23:13:02,542 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 23:13:02,547 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 23:13:02,548 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 23:13:02,549 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 23:13:02,552 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 23:13:02,568 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-23 23:13:02,591 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 23:13:02,591 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 23:13:02,592 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 23:13:02,592 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 23:13:02,593 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 23:13:02,593 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 23:13:02,593 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 23:13:02,593 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 23:13:02,593 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 23:13:02,594 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 23:13:02,594 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 23:13:02,594 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 23:13:02,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 23:13:02,595 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 23:13:02,595 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 23:13:02,595 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 23:13:02,595 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 23:13:02,596 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 23:13:02,596 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 23:13:02,596 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 23:13:02,596 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 23:13:02,596 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 23:13:02,597 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 23:13:02,597 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 23:13:02,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 23:13:02,597 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 23:13:02,597 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 23:13:02,598 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 23:13:02,598 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 23:13:02,598 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 23:13:02,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 23:13:02,598 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 23:13:02,599 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 23:13:02,599 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 23:13:02,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 23:13:02,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 23:13:02,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 23:13:02,664 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 23:13:02,664 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 23:13:02,665 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label42_true-unreach-call_false-termination.c [2018-10-23 23:13:02,731 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f8ea8e810/fec20724c89d496fb18866218355fe00/FLAG69689d670 [2018-10-23 23:13:03,329 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 23:13:03,336 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label42_true-unreach-call_false-termination.c [2018-10-23 23:13:03,357 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f8ea8e810/fec20724c89d496fb18866218355fe00/FLAG69689d670 [2018-10-23 23:13:03,374 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f8ea8e810/fec20724c89d496fb18866218355fe00 [2018-10-23 23:13:03,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 23:13:03,389 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 23:13:03,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 23:13:03,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 23:13:03,395 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 23:13:03,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:13:03" (1/1) ... [2018-10-23 23:13:03,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7e4d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:13:03, skipping insertion in model container [2018-10-23 23:13:03,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:13:03" (1/1) ... [2018-10-23 23:13:03,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 23:13:03,483 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 23:13:03,981 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 23:13:03,986 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 23:13:04,107 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 23:13:04,130 INFO L193 MainTranslator]: Completed translation [2018-10-23 23:13:04,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:13:04 WrapperNode [2018-10-23 23:13:04,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 23:13:04,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 23:13:04,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 23:13:04,132 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 23:13:04,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:13:04" (1/1) ... [2018-10-23 23:13:04,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:13:04" (1/1) ... [2018-10-23 23:13:04,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 23:13:04,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 23:13:04,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 23:13:04,317 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 23:13:04,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:13:04" (1/1) ... [2018-10-23 23:13:04,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:13:04" (1/1) ... [2018-10-23 23:13:04,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:13:04" (1/1) ... [2018-10-23 23:13:04,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:13:04" (1/1) ... [2018-10-23 23:13:04,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:13:04" (1/1) ... [2018-10-23 23:13:04,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:13:04" (1/1) ... [2018-10-23 23:13:04,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:13:04" (1/1) ... [2018-10-23 23:13:04,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 23:13:04,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 23:13:04,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 23:13:04,407 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 23:13:04,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:13:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 23:13:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 23:13:04,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 23:13:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 23:13:04,489 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 23:13:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 23:13:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 23:13:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 23:13:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 23:13:07,834 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 23:13:07,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:13:07 BoogieIcfgContainer [2018-10-23 23:13:07,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 23:13:07,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 23:13:07,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 23:13:07,843 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 23:13:07,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:13:03" (1/3) ... [2018-10-23 23:13:07,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d43a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:13:07, skipping insertion in model container [2018-10-23 23:13:07,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:13:04" (2/3) ... [2018-10-23 23:13:07,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d43a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:13:07, skipping insertion in model container [2018-10-23 23:13:07,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:13:07" (3/3) ... [2018-10-23 23:13:07,848 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label42_true-unreach-call_false-termination.c [2018-10-23 23:13:07,858 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 23:13:07,867 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 23:13:07,884 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 23:13:07,923 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 23:13:07,924 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 23:13:07,924 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 23:13:07,924 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 23:13:07,924 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 23:13:07,924 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 23:13:07,925 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 23:13:07,925 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 23:13:07,951 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-23 23:13:07,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-23 23:13:07,966 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:13:07,967 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:13:07,970 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:13:07,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:13:07,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1053299728, now seen corresponding path program 1 times [2018-10-23 23:13:07,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:13:08,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:13:08,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:13:08,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:13:08,029 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:13:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:13:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:13:08,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:13:08,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 23:13:08,706 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:13:08,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 23:13:08,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 23:13:08,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 23:13:08,732 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-23 23:13:10,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:13:10,407 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-23 23:13:10,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 23:13:10,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2018-10-23 23:13:10,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:13:10,428 INFO L225 Difference]: With dead ends: 550 [2018-10-23 23:13:10,428 INFO L226 Difference]: Without dead ends: 340 [2018-10-23 23:13:10,435 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 23:13:10,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-23 23:13:10,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-23 23:13:10,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-23 23:13:10,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-10-23 23:13:10,515 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 122 [2018-10-23 23:13:10,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:13:10,516 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-10-23 23:13:10,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 23:13:10,518 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-10-23 23:13:10,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-23 23:13:10,524 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:13:10,525 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 23:13:10,525 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:13:10,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:13:10,526 INFO L82 PathProgramCache]: Analyzing trace with hash -693386961, now seen corresponding path program 1 times [2018-10-23 23:13:10,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:13:10,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:13:10,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:13:10,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:13:10,528 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:13:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:13:10,740 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:13:10,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:13:10,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 23:13:10,743 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:13:10,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 23:13:10,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 23:13:10,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 23:13:10,747 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-10-23 23:13:13,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:13:13,039 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-10-23 23:13:13,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 23:13:13,044 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2018-10-23 23:13:13,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:13:13,054 INFO L225 Difference]: With dead ends: 1075 [2018-10-23 23:13:13,054 INFO L226 Difference]: Without dead ends: 741 [2018-10-23 23:13:13,060 INFO L605 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 [2018-10-23 23:13:13,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-10-23 23:13:13,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-10-23 23:13:13,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-10-23 23:13:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-10-23 23:13:13,106 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 133 [2018-10-23 23:13:13,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:13:13,106 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-10-23 23:13:13,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 23:13:13,107 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-10-23 23:13:13,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-23 23:13:13,112 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:13:13,113 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 23:13:13,113 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:13:13,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:13:13,113 INFO L82 PathProgramCache]: Analyzing trace with hash -214566269, now seen corresponding path program 1 times [2018-10-23 23:13:13,113 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:13:13,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:13:13,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:13:13,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:13:13,115 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:13:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:13:13,608 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:13:13,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:13:13,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 23:13:13,609 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:13:13,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 23:13:13,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 23:13:13,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 23:13:13,611 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 5 states. [2018-10-23 23:13:15,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:13:15,809 INFO L93 Difference]: Finished difference Result 1578 states and 2533 transitions. [2018-10-23 23:13:15,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 23:13:15,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-10-23 23:13:15,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:13:15,815 INFO L225 Difference]: With dead ends: 1578 [2018-10-23 23:13:15,815 INFO L226 Difference]: Without dead ends: 721 [2018-10-23 23:13:15,819 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 23:13:15,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-10-23 23:13:15,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-10-23 23:13:15,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-10-23 23:13:15,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1069 transitions. [2018-10-23 23:13:15,846 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1069 transitions. Word has length 134 [2018-10-23 23:13:15,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:13:15,849 INFO L481 AbstractCegarLoop]: Abstraction has 721 states and 1069 transitions. [2018-10-23 23:13:15,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 23:13:15,849 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1069 transitions. [2018-10-23 23:13:15,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-23 23:13:15,857 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:13:15,857 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 23:13:15,857 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:13:15,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:13:15,858 INFO L82 PathProgramCache]: Analyzing trace with hash -441297109, now seen corresponding path program 1 times [2018-10-23 23:13:15,858 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:13:15,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:13:15,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:13:15,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:13:15,861 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:13:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:13:16,596 WARN L179 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2018-10-23 23:13:16,773 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:13:16,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:13:16,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 23:13:16,774 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:13:16,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 23:13:16,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 23:13:16,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 23:13:16,776 INFO L87 Difference]: Start difference. First operand 721 states and 1069 transitions. Second operand 5 states. [2018-10-23 23:13:17,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:13:17,977 INFO L93 Difference]: Finished difference Result 1572 states and 2365 transitions. [2018-10-23 23:13:17,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 23:13:17,978 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2018-10-23 23:13:17,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:13:17,984 INFO L225 Difference]: With dead ends: 1572 [2018-10-23 23:13:17,985 INFO L226 Difference]: Without dead ends: 720 [2018-10-23 23:13:17,988 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 23:13:17,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2018-10-23 23:13:18,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2018-10-23 23:13:18,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-10-23 23:13:18,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1062 transitions. [2018-10-23 23:13:18,014 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1062 transitions. Word has length 135 [2018-10-23 23:13:18,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:13:18,014 INFO L481 AbstractCegarLoop]: Abstraction has 720 states and 1062 transitions. [2018-10-23 23:13:18,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 23:13:18,015 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1062 transitions. [2018-10-23 23:13:18,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-23 23:13:18,018 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:13:18,018 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:13:18,018 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:13:18,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:13:18,019 INFO L82 PathProgramCache]: Analyzing trace with hash -689394821, now seen corresponding path program 1 times [2018-10-23 23:13:18,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:13:18,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:13:18,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:13:18,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:13:18,021 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:13:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:13:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:13:18,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:13:18,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 23:13:18,174 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:13:18,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 23:13:18,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 23:13:18,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 23:13:18,176 INFO L87 Difference]: Start difference. First operand 720 states and 1062 transitions. Second operand 3 states. [2018-10-23 23:13:18,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:13:18,887 INFO L93 Difference]: Finished difference Result 1882 states and 2820 transitions. [2018-10-23 23:13:18,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 23:13:18,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-10-23 23:13:18,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:13:18,901 INFO L225 Difference]: With dead ends: 1882 [2018-10-23 23:13:18,902 INFO L226 Difference]: Without dead ends: 1168 [2018-10-23 23:13:18,906 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 23:13:18,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2018-10-23 23:13:18,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1164. [2018-10-23 23:13:18,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1164 states. [2018-10-23 23:13:18,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1592 transitions. [2018-10-23 23:13:18,942 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1592 transitions. Word has length 138 [2018-10-23 23:13:18,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:13:18,943 INFO L481 AbstractCegarLoop]: Abstraction has 1164 states and 1592 transitions. [2018-10-23 23:13:18,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 23:13:18,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1592 transitions. [2018-10-23 23:13:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-23 23:13:18,949 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:13:18,949 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:13:18,949 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:13:18,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:13:18,950 INFO L82 PathProgramCache]: Analyzing trace with hash -155247930, now seen corresponding path program 1 times [2018-10-23 23:13:18,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:13:18,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:13:18,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:13:18,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:13:18,951 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:13:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:13:19,450 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-23 23:13:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:13:19,568 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 23:13:19,568 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 23:13:19,569 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-10-23 23:13:19,572 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [613], [615], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-23 23:13:19,655 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 23:13:19,656 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 23:13:28,738 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 23:13:28,740 INFO L272 AbstractInterpreter]: Visited 69 different actions 69 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-10-23 23:13:28,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:13:28,754 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 23:13:32,331 INFO L232 lantSequenceWeakener]: Weakened 108 states. On average, predicates are now at 79.83% of their original sizes. [2018-10-23 23:13:32,331 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 23:13:33,415 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 23:13:33,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 23:13:33,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2018-10-23 23:13:33,417 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:13:33,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-23 23:13:33,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-23 23:13:33,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-23 23:13:33,418 INFO L87 Difference]: Start difference. First operand 1164 states and 1592 transitions. Second operand 12 states. [2018-10-23 23:13:48,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:13:48,764 INFO L93 Difference]: Finished difference Result 2383 states and 3259 transitions. [2018-10-23 23:13:48,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-23 23:13:48,764 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 170 [2018-10-23 23:13:48,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:13:48,770 INFO L225 Difference]: With dead ends: 2383 [2018-10-23 23:13:48,771 INFO L226 Difference]: Without dead ends: 1225 [2018-10-23 23:13:48,774 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 175 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-10-23 23:13:48,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2018-10-23 23:13:48,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1225. [2018-10-23 23:13:48,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1225 states. [2018-10-23 23:13:48,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1658 transitions. [2018-10-23 23:13:48,812 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1658 transitions. Word has length 170 [2018-10-23 23:13:48,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:13:48,812 INFO L481 AbstractCegarLoop]: Abstraction has 1225 states and 1658 transitions. [2018-10-23 23:13:48,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-23 23:13:48,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1658 transitions. [2018-10-23 23:13:48,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-23 23:13:48,819 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:13:48,819 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:13:48,820 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:13:48,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:13:48,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1006399511, now seen corresponding path program 1 times [2018-10-23 23:13:48,820 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:13:48,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:13:48,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:13:48,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:13:48,822 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:13:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:13:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-23 23:13:49,086 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 23:13:49,086 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 23:13:49,086 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-10-23 23:13:49,087 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [613], [615], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-23 23:13:49,095 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 23:13:49,095 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 23:14:10,784 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 23:14:10,784 INFO L272 AbstractInterpreter]: Visited 127 different actions 194 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-23 23:14:10,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:14:10,792 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 23:14:16,574 INFO L232 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 80.86% of their original sizes. [2018-10-23 23:14:16,575 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 23:16:14,421 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 23:16:14,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 23:16:14,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-10-23 23:16:14,422 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:16:14,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-23 23:16:14,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-23 23:16:14,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2018-10-23 23:16:14,423 INFO L87 Difference]: Start difference. First operand 1225 states and 1658 transitions. Second operand 19 states. Received shutdown request... [2018-10-23 23:17:25,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-23 23:17:25,035 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 23:17:25,041 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 23:17:25,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:17:25 BoogieIcfgContainer [2018-10-23 23:17:25,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 23:17:25,042 INFO L168 Benchmark]: Toolchain (without parser) took 261654.67 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.5 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -235.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-23 23:17:25,044 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 23:17:25,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-23 23:17:25,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.46 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.7 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-23 23:17:25,046 INFO L168 Benchmark]: Boogie Preprocessor took 90.39 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 23:17:25,046 INFO L168 Benchmark]: RCFGBuilder took 3428.30 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 7.1 GB. [2018-10-23 23:17:25,047 INFO L168 Benchmark]: TraceAbstraction took 257203.05 ms. Allocated memory was 2.3 GB in the beginning and 3.0 GB in the end (delta: 768.1 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 425.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-23 23:17:25,052 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 184.46 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.7 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.39 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3428.30 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 257203.05 ms. Allocated memory was 2.3 GB in the beginning and 3.0 GB in the end (delta: 768.1 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 425.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 521]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 521). Cancelled while BasicCegarLoop was constructing difference of abstraction (1225states) and FLOYD_HOARE automaton (currently 19 states, 19 states before enhancement),while ReachableStatesComputation was computing reachable states (78 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 257.1s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 94.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 741 SDtfs, 2449 SDslu, 710 SDs, 0 SdLazy, 3636 SolverSat, 717 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 399 GetRequests, 284 SyntacticMatches, 57 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 137.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1225occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 30.8s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9947601308042732 AbsIntWeakeningRatio, 0.21902017291066284 AbsIntAvgWeakeningVarsNumRemoved, 1952.3688760806917 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1011 NumberOfCodeBlocks, 1011 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1004 ConstructedInterpolants, 0 QuantifiedInterpolants, 856471 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 163/180 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown