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/Problem16_label18_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 18:45:18,931 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 18:45:18,933 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 18:45:18,945 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 18:45:18,945 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 18:45:18,947 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 18:45:18,948 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 18:45:18,950 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 18:45:18,952 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 18:45:18,953 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 18:45:18,954 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 18:45:18,954 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 18:45:18,955 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 18:45:18,956 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 18:45:18,957 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 18:45:18,958 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 18:45:18,959 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 18:45:18,961 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 18:45:18,963 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 18:45:18,965 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 18:45:18,966 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 18:45:18,967 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 18:45:18,970 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 18:45:18,979 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 [2018-10-24 18:45:18,994 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 18:45:18,994 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 18:45:18,995 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 18:45:18,995 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 18:45:18,996 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 18:45:18,996 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 18:45:18,996 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 18:45:18,996 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 18:45:18,996 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 18:45:18,997 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 18:45:18,997 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 18:45:18,997 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 18:45:18,998 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 18:45:18,998 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 18:45:18,998 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 18:45:18,998 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 18:45:18,998 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 18:45:18,999 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 18:45:18,999 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 18:45:18,999 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 18:45:18,999 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 18:45:18,999 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 18:45:19,000 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 18:45:19,000 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 18:45:19,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:45:19,000 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 18:45:19,000 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 18:45:19,001 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 18:45:19,001 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 18:45:19,001 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 18:45:19,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 18:45:19,002 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 18:45:19,002 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 18:45:19,002 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 18:45:19,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 18:45:19,060 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 18:45:19,063 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 18:45:19,065 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 18:45:19,065 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 18:45:19,066 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label18_false-unreach-call.c [2018-10-24 18:45:19,125 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2e97866d9/2389a67c01734e0a871c87176b3f2b20/FLAG894daace0 [2018-10-24 18:45:19,813 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 18:45:19,814 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label18_false-unreach-call.c [2018-10-24 18:45:19,849 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2e97866d9/2389a67c01734e0a871c87176b3f2b20/FLAG894daace0 [2018-10-24 18:45:19,868 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2e97866d9/2389a67c01734e0a871c87176b3f2b20 [2018-10-24 18:45:19,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 18:45:19,881 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 18:45:19,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 18:45:19,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 18:45:19,887 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 18:45:19,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:45:19" (1/1) ... [2018-10-24 18:45:19,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf5ea2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:19, skipping insertion in model container [2018-10-24 18:45:19,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:45:19" (1/1) ... [2018-10-24 18:45:19,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 18:45:20,011 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 18:45:20,761 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:45:20,765 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 18:45:21,053 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:45:21,076 INFO L193 MainTranslator]: Completed translation [2018-10-24 18:45:21,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:21 WrapperNode [2018-10-24 18:45:21,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 18:45:21,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 18:45:21,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 18:45:21,079 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 18:45:21,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:21" (1/1) ... [2018-10-24 18:45:21,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:21" (1/1) ... [2018-10-24 18:45:21,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 18:45:21,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 18:45:21,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 18:45:21,450 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 18:45:21,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:21" (1/1) ... [2018-10-24 18:45:21,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:21" (1/1) ... [2018-10-24 18:45:21,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:21" (1/1) ... [2018-10-24 18:45:21,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:21" (1/1) ... [2018-10-24 18:45:21,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:21" (1/1) ... [2018-10-24 18:45:21,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:21" (1/1) ... [2018-10-24 18:45:21,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:21" (1/1) ... [2018-10-24 18:45:21,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 18:45:21,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 18:45:21,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 18:45:21,626 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 18:45:21,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:45:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 18:45:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 18:45:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 18:45:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 18:45:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 18:45:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 18:45:21,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 18:45:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 18:45:21,707 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 18:45:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 18:45:28,309 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 18:45:28,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:45:28 BoogieIcfgContainer [2018-10-24 18:45:28,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 18:45:28,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 18:45:28,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 18:45:28,315 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 18:45:28,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:45:19" (1/3) ... [2018-10-24 18:45:28,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fac461e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:45:28, skipping insertion in model container [2018-10-24 18:45:28,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:45:21" (2/3) ... [2018-10-24 18:45:28,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fac461e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:45:28, skipping insertion in model container [2018-10-24 18:45:28,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:45:28" (3/3) ... [2018-10-24 18:45:28,319 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label18_false-unreach-call.c [2018-10-24 18:45:28,328 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 18:45:28,337 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 18:45:28,355 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 18:45:28,399 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 18:45:28,399 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 18:45:28,399 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 18:45:28,399 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 18:45:28,399 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 18:45:28,400 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 18:45:28,400 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 18:45:28,400 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 18:45:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-10-24 18:45:28,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-24 18:45:28,439 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:45:28,440 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:45:28,442 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:45:28,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:45:28,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1130259964, now seen corresponding path program 1 times [2018-10-24 18:45:28,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:45:28,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:45:28,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:45:28,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:45:28,513 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:45:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:45:28,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:45:28,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:45:28,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 18:45:28,868 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:45:28,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 18:45:28,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 18:45:28,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:45:28,894 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-10-24 18:45:32,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:45:32,426 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-10-24 18:45:32,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 18:45:32,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-10-24 18:45:32,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:45:32,454 INFO L225 Difference]: With dead ends: 1156 [2018-10-24 18:45:32,455 INFO L226 Difference]: Without dead ends: 744 [2018-10-24 18:45:32,464 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:45:32,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-10-24 18:45:32,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-10-24 18:45:32,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-10-24 18:45:32,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1355 transitions. [2018-10-24 18:45:32,567 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1355 transitions. Word has length 14 [2018-10-24 18:45:32,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:45:32,568 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 1355 transitions. [2018-10-24 18:45:32,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 18:45:32,568 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1355 transitions. [2018-10-24 18:45:32,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-24 18:45:32,573 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:45:32,574 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:45:32,574 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:45:32,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:45:32,575 INFO L82 PathProgramCache]: Analyzing trace with hash -3982677, now seen corresponding path program 1 times [2018-10-24 18:45:32,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:45:32,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:45:32,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:45:32,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:45:32,576 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:45:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:45:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:45:32,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:45:32,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:45:32,848 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:45:32,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:45:32,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:45:32,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:45:32,851 INFO L87 Difference]: Start difference. First operand 744 states and 1355 transitions. Second operand 6 states. [2018-10-24 18:45:39,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:45:39,514 INFO L93 Difference]: Finished difference Result 2191 states and 4077 transitions. [2018-10-24 18:45:39,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:45:39,515 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-10-24 18:45:39,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:45:39,528 INFO L225 Difference]: With dead ends: 2191 [2018-10-24 18:45:39,528 INFO L226 Difference]: Without dead ends: 1453 [2018-10-24 18:45:39,533 INFO L605 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 [2018-10-24 18:45:39,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2018-10-24 18:45:39,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1436. [2018-10-24 18:45:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1436 states. [2018-10-24 18:45:39,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2556 transitions. [2018-10-24 18:45:39,604 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2556 transitions. Word has length 85 [2018-10-24 18:45:39,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:45:39,605 INFO L481 AbstractCegarLoop]: Abstraction has 1436 states and 2556 transitions. [2018-10-24 18:45:39,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:45:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2556 transitions. [2018-10-24 18:45:39,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-24 18:45:39,612 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:45:39,612 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:45:39,612 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:45:39,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:45:39,613 INFO L82 PathProgramCache]: Analyzing trace with hash 461895267, now seen corresponding path program 1 times [2018-10-24 18:45:39,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:45:39,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:45:39,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:45:39,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:45:39,615 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:45:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:45:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:45:39,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:45:39,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:45:39,838 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:45:39,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:45:39,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:45:39,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:45:39,840 INFO L87 Difference]: Start difference. First operand 1436 states and 2556 transitions. Second operand 6 states. [2018-10-24 18:45:45,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:45:45,743 INFO L93 Difference]: Finished difference Result 3925 states and 7037 transitions. [2018-10-24 18:45:45,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:45:45,744 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-10-24 18:45:45,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:45:45,764 INFO L225 Difference]: With dead ends: 3925 [2018-10-24 18:45:45,764 INFO L226 Difference]: Without dead ends: 2495 [2018-10-24 18:45:45,776 INFO L605 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 [2018-10-24 18:45:45,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2018-10-24 18:45:45,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2466. [2018-10-24 18:45:45,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2466 states. [2018-10-24 18:45:45,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2466 states and 4043 transitions. [2018-10-24 18:45:45,872 INFO L78 Accepts]: Start accepts. Automaton has 2466 states and 4043 transitions. Word has length 89 [2018-10-24 18:45:45,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:45:45,873 INFO L481 AbstractCegarLoop]: Abstraction has 2466 states and 4043 transitions. [2018-10-24 18:45:45,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:45:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2466 states and 4043 transitions. [2018-10-24 18:45:45,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-24 18:45:45,876 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:45:45,877 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:45:45,877 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:45:45,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:45:45,877 INFO L82 PathProgramCache]: Analyzing trace with hash -179153430, now seen corresponding path program 1 times [2018-10-24 18:45:45,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:45:45,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:45:45,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:45:45,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:45:45,879 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:45:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:45:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:45:46,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:45:46,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:45:46,198 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:45:46,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:45:46,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:45:46,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:45:46,200 INFO L87 Difference]: Start difference. First operand 2466 states and 4043 transitions. Second operand 6 states. [2018-10-24 18:45:53,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:45:53,108 INFO L93 Difference]: Finished difference Result 6972 states and 11519 transitions. [2018-10-24 18:45:53,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:45:53,108 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-10-24 18:45:53,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:45:53,143 INFO L225 Difference]: With dead ends: 6972 [2018-10-24 18:45:53,144 INFO L226 Difference]: Without dead ends: 4512 [2018-10-24 18:45:53,162 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 [2018-10-24 18:45:53,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2018-10-24 18:45:53,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 4480. [2018-10-24 18:45:53,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4480 states. [2018-10-24 18:45:53,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4480 states to 4480 states and 6530 transitions. [2018-10-24 18:45:53,307 INFO L78 Accepts]: Start accepts. Automaton has 4480 states and 6530 transitions. Word has length 120 [2018-10-24 18:45:53,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:45:53,308 INFO L481 AbstractCegarLoop]: Abstraction has 4480 states and 6530 transitions. [2018-10-24 18:45:53,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:45:53,308 INFO L276 IsEmpty]: Start isEmpty. Operand 4480 states and 6530 transitions. [2018-10-24 18:45:53,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-24 18:45:53,313 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:45:53,313 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:45:53,313 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:45:53,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:45:53,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1769086126, now seen corresponding path program 1 times [2018-10-24 18:45:53,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:45:53,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:45:53,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:45:53,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:45:53,315 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:45:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:45:53,584 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:45:53,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:45:53,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:45:53,585 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:45:53,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:45:53,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:45:53,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:45:53,586 INFO L87 Difference]: Start difference. First operand 4480 states and 6530 transitions. Second operand 6 states. [2018-10-24 18:46:01,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:46:01,134 INFO L93 Difference]: Finished difference Result 16690 states and 25766 transitions. [2018-10-24 18:46:01,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:46:01,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-10-24 18:46:01,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:46:01,215 INFO L225 Difference]: With dead ends: 16690 [2018-10-24 18:46:01,215 INFO L226 Difference]: Without dead ends: 12216 [2018-10-24 18:46:01,272 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 18:46:01,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12216 states. [2018-10-24 18:46:01,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12216 to 12211. [2018-10-24 18:46:01,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12211 states. [2018-10-24 18:46:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12211 states to 12211 states and 17510 transitions. [2018-10-24 18:46:01,648 INFO L78 Accepts]: Start accepts. Automaton has 12211 states and 17510 transitions. Word has length 164 [2018-10-24 18:46:01,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:46:01,649 INFO L481 AbstractCegarLoop]: Abstraction has 12211 states and 17510 transitions. [2018-10-24 18:46:01,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:46:01,649 INFO L276 IsEmpty]: Start isEmpty. Operand 12211 states and 17510 transitions. [2018-10-24 18:46:01,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-24 18:46:01,661 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:46:01,662 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:46:01,662 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:46:01,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:46:01,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1438063964, now seen corresponding path program 1 times [2018-10-24 18:46:01,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:46:01,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:46:01,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:46:01,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:46:01,664 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:46:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:46:01,981 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:46:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 14 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 18:46:02,033 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:46:02,033 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:46:02,034 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 237 with the following transitions: [2018-10-24 18:46:02,037 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [191], [193], [196], [204], [212], [220], [228], [236], [244], [252], [260], [268], [276], [284], [292], [300], [308], [316], [324], [332], [340], [348], [356], [364], [372], [380], [388], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-24 18:46:02,112 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:46:02,112 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:46:03,724 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:46:06,457 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:46:06,459 INFO L272 AbstractInterpreter]: Visited 155 different actions 155 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 18:46:06,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:46:06,492 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:46:08,487 INFO L232 lantSequenceWeakener]: Weakened 228 states. On average, predicates are now at 77.28% of their original sizes. [2018-10-24 18:46:08,488 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:46:09,119 INFO L413 sIntCurrentIteration]: We have 235 unified AI predicates [2018-10-24 18:46:09,120 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:46:09,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:46:09,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2018-10-24 18:46:09,121 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:46:09,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 18:46:09,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 18:46:09,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:46:09,122 INFO L87 Difference]: Start difference. First operand 12211 states and 17510 transitions. Second operand 8 states. [2018-10-24 18:46:39,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:46:39,968 INFO L93 Difference]: Finished difference Result 24756 states and 35475 transitions. [2018-10-24 18:46:39,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:46:39,968 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 236 [2018-10-24 18:46:39,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:46:40,039 INFO L225 Difference]: With dead ends: 24756 [2018-10-24 18:46:40,039 INFO L226 Difference]: Without dead ends: 12551 [2018-10-24 18:46:40,098 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 237 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 18:46:40,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12551 states. [2018-10-24 18:46:40,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12551 to 12549. [2018-10-24 18:46:40,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12549 states. [2018-10-24 18:46:40,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12549 states to 12549 states and 17857 transitions. [2018-10-24 18:46:40,453 INFO L78 Accepts]: Start accepts. Automaton has 12549 states and 17857 transitions. Word has length 236 [2018-10-24 18:46:40,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:46:40,453 INFO L481 AbstractCegarLoop]: Abstraction has 12549 states and 17857 transitions. [2018-10-24 18:46:40,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 18:46:40,454 INFO L276 IsEmpty]: Start isEmpty. Operand 12549 states and 17857 transitions. [2018-10-24 18:46:40,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-10-24 18:46:40,474 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:46:40,475 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 18:46:40,475 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:46:40,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:46:40,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1449851262, now seen corresponding path program 1 times [2018-10-24 18:46:40,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:46:40,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:46:40,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:46:40,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:46:40,477 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:46:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:46:40,832 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:46:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 27 proven. 156 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-24 18:46:41,198 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:46:41,198 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:46:41,198 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 329 with the following transitions: [2018-10-24 18:46:41,200 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [191], [193], [196], [204], [212], [220], [228], [236], [244], [252], [260], [268], [276], [284], [292], [300], [308], [316], [324], [332], [340], [348], [356], [364], [372], [380], [388], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-24 18:46:41,216 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:46:41,217 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:46:42,146 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:47:00,722 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:47:00,722 INFO L272 AbstractInterpreter]: Visited 159 different actions 617 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 18:47:00,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:47:00,733 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:47:04,208 INFO L232 lantSequenceWeakener]: Weakened 43 states. On average, predicates are now at 78.27% of their original sizes. [2018-10-24 18:47:04,208 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:48:14,625 INFO L413 sIntCurrentIteration]: We have 327 unified AI predicates [2018-10-24 18:48:14,626 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:48:14,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:48:14,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [5] total 25 [2018-10-24 18:48:14,627 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:48:14,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-24 18:48:14,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-24 18:48:14,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2018-10-24 18:48:14,628 INFO L87 Difference]: Start difference. First operand 12549 states and 17857 transitions. Second operand 22 states. Received shutdown request... [2018-10-24 18:49:15,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-24 18:49:15,815 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 18:49:15,820 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 18:49:15,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:49:15 BoogieIcfgContainer [2018-10-24 18:49:15,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 18:49:15,822 INFO L168 Benchmark]: Toolchain (without parser) took 235941.58 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -429.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-24 18:49:15,824 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 18:49:15,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1195.37 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-24 18:49:15,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 371.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -866.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2018-10-24 18:49:15,826 INFO L168 Benchmark]: Boogie Preprocessor took 175.34 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2018-10-24 18:49:15,827 INFO L168 Benchmark]: RCFGBuilder took 6684.49 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 276.8 MB). Peak memory consumption was 276.8 MB. Max. memory is 7.1 GB. [2018-10-24 18:49:15,828 INFO L168 Benchmark]: TraceAbstraction took 227510.03 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 61.7 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-24 18:49:15,833 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1195.37 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 371.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -866.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 175.34 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6684.49 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 276.8 MB). Peak memory consumption was 276.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 227510.03 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 61.7 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 28]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 28). Cancelled while BasicCegarLoop was constructing difference of abstraction (12549states) and FLOYD_HOARE automaton (currently 16 states, 22 states before enhancement),while ReachableStatesComputation was computing reachable states (269 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 227.4s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 123.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 938 SDtfs, 9095 SDslu, 669 SDs, 0 SdLazy, 12660 SolverSat, 3323 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 50.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 616 GetRequests, 451 SyntacticMatches, 101 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 74.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12549occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 23.9s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9956515292175976 AbsIntWeakeningRatio, 0.10320284697508897 AbsIntAvgWeakeningVarsNumRemoved, 536.7224199288256 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 85 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1036 NumberOfCodeBlocks, 1036 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1029 ConstructedInterpolants, 0 QuantifiedInterpolants, 654676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 148/371 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown