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/Problem17_label48_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 02:08:22,895 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 02:08:22,897 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 02:08:22,911 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 02:08:22,911 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 02:08:22,912 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 02:08:22,913 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 02:08:22,915 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 02:08:22,917 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 02:08:22,918 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 02:08:22,919 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 02:08:22,919 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 02:08:22,920 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 02:08:22,921 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 02:08:22,922 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 02:08:22,923 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 02:08:22,924 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 02:08:22,926 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 02:08:22,928 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 02:08:22,929 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 02:08:22,930 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 02:08:22,932 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 02:08:22,934 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 02:08:22,949 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 02:08:22,975 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 02:08:22,975 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 02:08:22,976 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 02:08:22,976 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 02:08:22,976 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 02:08:22,977 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 02:08:22,977 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 02:08:22,977 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 02:08:22,978 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 02:08:22,978 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 02:08:22,978 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 02:08:22,978 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 02:08:22,979 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 02:08:22,979 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 02:08:22,980 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 02:08:22,980 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 02:08:22,980 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 02:08:22,980 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 02:08:22,980 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 02:08:22,981 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 02:08:22,981 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 02:08:22,981 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 02:08:22,981 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 02:08:22,981 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 02:08:22,981 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 02:08:22,982 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 02:08:22,982 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 02:08:22,982 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 02:08:22,982 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 02:08:22,982 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 02:08:22,983 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 02:08:22,985 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 02:08:22,985 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 02:08:22,985 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 02:08:23,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 02:08:23,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 02:08:23,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 02:08:23,079 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 02:08:23,080 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 02:08:23,081 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label48_true-unreach-call.c [2018-10-24 02:08:23,141 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/53a839460/ffd6183551a6464e899d08f4b0614cb1/FLAGa9da97a70 [2018-10-24 02:08:23,897 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 02:08:23,899 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label48_true-unreach-call.c [2018-10-24 02:08:23,927 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/53a839460/ffd6183551a6464e899d08f4b0614cb1/FLAGa9da97a70 [2018-10-24 02:08:23,946 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/53a839460/ffd6183551a6464e899d08f4b0614cb1 [2018-10-24 02:08:23,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 02:08:23,960 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 02:08:23,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 02:08:23,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 02:08:23,966 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 02:08:23,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:08:23" (1/1) ... [2018-10-24 02:08:23,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3772c2af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:23, skipping insertion in model container [2018-10-24 02:08:23,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:08:23" (1/1) ... [2018-10-24 02:08:23,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 02:08:24,099 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 02:08:25,062 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 02:08:25,067 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 02:08:25,520 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 02:08:25,544 INFO L193 MainTranslator]: Completed translation [2018-10-24 02:08:25,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:25 WrapperNode [2018-10-24 02:08:25,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 02:08:25,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 02:08:25,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 02:08:25,546 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 02:08:25,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:25" (1/1) ... [2018-10-24 02:08:25,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:25" (1/1) ... [2018-10-24 02:08:26,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 02:08:26,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 02:08:26,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 02:08:26,012 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 02:08:26,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:25" (1/1) ... [2018-10-24 02:08:26,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:25" (1/1) ... [2018-10-24 02:08:26,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:25" (1/1) ... [2018-10-24 02:08:26,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:25" (1/1) ... [2018-10-24 02:08:26,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:25" (1/1) ... [2018-10-24 02:08:26,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:25" (1/1) ... [2018-10-24 02:08:26,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:25" (1/1) ... [2018-10-24 02:08:26,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 02:08:26,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 02:08:26,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 02:08:26,278 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 02:08:26,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:25" (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 02:08:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 02:08:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 02:08:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 02:08:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 02:08:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 02:08:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 02:08:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 02:08:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 02:08:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 02:08:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 02:08:37,399 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 02:08:37,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:08:37 BoogieIcfgContainer [2018-10-24 02:08:37,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 02:08:37,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 02:08:37,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 02:08:37,405 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 02:08:37,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:08:23" (1/3) ... [2018-10-24 02:08:37,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325bd725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:08:37, skipping insertion in model container [2018-10-24 02:08:37,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:08:25" (2/3) ... [2018-10-24 02:08:37,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325bd725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:08:37, skipping insertion in model container [2018-10-24 02:08:37,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:08:37" (3/3) ... [2018-10-24 02:08:37,410 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label48_true-unreach-call.c [2018-10-24 02:08:37,420 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 02:08:37,429 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 02:08:37,447 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 02:08:37,491 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 02:08:37,491 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 02:08:37,491 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 02:08:37,491 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 02:08:37,491 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 02:08:37,492 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 02:08:37,492 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 02:08:37,492 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 02:08:37,527 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-10-24 02:08:37,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-24 02:08:37,537 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:08:37,538 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] [2018-10-24 02:08:37,541 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:08:37,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:08:37,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1958130412, now seen corresponding path program 1 times [2018-10-24 02:08:37,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:08:37,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:08:37,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:08:37,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:08:37,605 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:08:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:08:38,135 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 02:08:38,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:08:38,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 02:08:38,138 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:08:38,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 02:08:38,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 02:08:38,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 02:08:38,163 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-10-24 02:08:51,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:08:51,909 INFO L93 Difference]: Finished difference Result 2142 states and 3971 transitions. [2018-10-24 02:08:51,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 02:08:51,911 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2018-10-24 02:08:51,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:08:51,945 INFO L225 Difference]: With dead ends: 2142 [2018-10-24 02:08:51,946 INFO L226 Difference]: Without dead ends: 1532 [2018-10-24 02:08:51,959 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 02:08:51,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2018-10-24 02:08:52,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1519. [2018-10-24 02:08:52,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2018-10-24 02:08:52,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2456 transitions. [2018-10-24 02:08:52,124 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2456 transitions. Word has length 50 [2018-10-24 02:08:52,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:08:52,125 INFO L481 AbstractCegarLoop]: Abstraction has 1519 states and 2456 transitions. [2018-10-24 02:08:52,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 02:08:52,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2456 transitions. [2018-10-24 02:08:52,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-24 02:08:52,138 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:08:52,138 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:08:52,139 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:08:52,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:08:52,139 INFO L82 PathProgramCache]: Analyzing trace with hash 401546274, now seen corresponding path program 1 times [2018-10-24 02:08:52,139 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:08:52,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:08:52,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:08:52,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:08:52,142 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:08:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:08:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:08:52,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:08:52,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 02:08:52,439 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:08:52,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 02:08:52,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 02:08:52,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 02:08:52,443 INFO L87 Difference]: Start difference. First operand 1519 states and 2456 transitions. Second operand 5 states. [2018-10-24 02:09:01,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:09:01,279 INFO L93 Difference]: Finished difference Result 4424 states and 7338 transitions. [2018-10-24 02:09:01,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:09:01,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2018-10-24 02:09:01,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:09:01,306 INFO L225 Difference]: With dead ends: 4424 [2018-10-24 02:09:01,307 INFO L226 Difference]: Without dead ends: 2911 [2018-10-24 02:09:01,313 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 02:09:01,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2911 states. [2018-10-24 02:09:01,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2911 to 2875. [2018-10-24 02:09:01,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2875 states. [2018-10-24 02:09:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 4373 transitions. [2018-10-24 02:09:01,412 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 4373 transitions. Word has length 122 [2018-10-24 02:09:01,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:09:01,414 INFO L481 AbstractCegarLoop]: Abstraction has 2875 states and 4373 transitions. [2018-10-24 02:09:01,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 02:09:01,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 4373 transitions. [2018-10-24 02:09:01,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-24 02:09:01,424 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:09:01,425 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:09:01,425 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:09:01,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:09:01,425 INFO L82 PathProgramCache]: Analyzing trace with hash -335007702, now seen corresponding path program 1 times [2018-10-24 02:09:01,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:09:01,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:09:01,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:09:01,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:09:01,428 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:09:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:09:01,941 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2018-10-24 02:09:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:09:02,213 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:09:02,214 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 02:09:02,215 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 126 with the following transitions: [2018-10-24 02:09:02,217 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1010], [1012], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 02:09:02,315 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 02:09:02,316 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 02:09:04,066 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 02:09:23,822 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 02:09:23,823 INFO L272 AbstractInterpreter]: Visited 83 different actions 543 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-24 02:09:23,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:09:23,847 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 02:09:23,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:09:23,848 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 02:09:23,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:09:23,862 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 02:09:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:09:23,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 02:09:52,743 WARN L179 SmtUtils]: Spent 24.29 s on a formula simplification. DAG size of input: 135 DAG size of output: 98 [2018-10-24 02:10:13,021 WARN L179 SmtUtils]: Spent 16.12 s on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2018-10-24 02:10:13,502 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:10:13,503 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 02:10:14,224 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-10-24 02:10:18,431 WARN L179 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2018-10-24 02:10:18,534 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2018-10-24 02:10:20,978 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 26 [2018-10-24 02:10:21,291 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:10:21,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-24 02:10:21,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2018-10-24 02:10:21,313 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:10:21,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:10:21,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:10:21,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=160, Unknown=5, NotChecked=0, Total=210 [2018-10-24 02:10:21,314 INFO L87 Difference]: Start difference. First operand 2875 states and 4373 transitions. Second operand 6 states. [2018-10-24 02:11:39,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:11:39,952 INFO L93 Difference]: Finished difference Result 11150 states and 17721 transitions. [2018-10-24 02:11:39,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 02:11:39,953 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-10-24 02:11:39,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:11:40,014 INFO L225 Difference]: With dead ends: 11150 [2018-10-24 02:11:40,014 INFO L226 Difference]: Without dead ends: 8281 [2018-10-24 02:11:40,038 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 244 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 56.7s TimeCoverageRelationStatistics Valid=45, Invalid=160, Unknown=5, NotChecked=0, Total=210 [2018-10-24 02:11:40,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8281 states. [2018-10-24 02:11:40,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8281 to 8239. [2018-10-24 02:11:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8239 states. [2018-10-24 02:11:40,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8239 states to 8239 states and 12388 transitions. [2018-10-24 02:11:40,302 INFO L78 Accepts]: Start accepts. Automaton has 8239 states and 12388 transitions. Word has length 125 [2018-10-24 02:11:40,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:11:40,303 INFO L481 AbstractCegarLoop]: Abstraction has 8239 states and 12388 transitions. [2018-10-24 02:11:40,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:11:40,303 INFO L276 IsEmpty]: Start isEmpty. Operand 8239 states and 12388 transitions. [2018-10-24 02:11:40,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-24 02:11:40,313 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:11:40,314 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:11:40,314 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:11:40,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:11:40,315 INFO L82 PathProgramCache]: Analyzing trace with hash 904964573, now seen corresponding path program 1 times [2018-10-24 02:11:40,315 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:11:40,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:11:40,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:11:40,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:11:40,317 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:11:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:11:40,675 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 02:11:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 02:11:40,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 02:11:40,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 02:11:40,761 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:11:40,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 02:11:40,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 02:11:40,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 02:11:40,762 INFO L87 Difference]: Start difference. First operand 8239 states and 12388 transitions. Second operand 6 states. [2018-10-24 02:11:45,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:11:45,721 INFO L93 Difference]: Finished difference Result 20156 states and 31022 transitions. [2018-10-24 02:11:45,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 02:11:45,727 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2018-10-24 02:11:45,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:11:45,791 INFO L225 Difference]: With dead ends: 20156 [2018-10-24 02:11:45,792 INFO L226 Difference]: Without dead ends: 11923 [2018-10-24 02:11:45,832 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 02:11:45,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11923 states. [2018-10-24 02:11:46,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11923 to 11825. [2018-10-24 02:11:46,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11825 states. [2018-10-24 02:11:46,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11825 states to 11825 states and 15556 transitions. [2018-10-24 02:11:46,143 INFO L78 Accepts]: Start accepts. Automaton has 11825 states and 15556 transitions. Word has length 194 [2018-10-24 02:11:46,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:11:46,144 INFO L481 AbstractCegarLoop]: Abstraction has 11825 states and 15556 transitions. [2018-10-24 02:11:46,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 02:11:46,144 INFO L276 IsEmpty]: Start isEmpty. Operand 11825 states and 15556 transitions. [2018-10-24 02:11:46,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-24 02:11:46,150 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:11:46,150 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 02:11:46,150 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:11:46,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:11:46,151 INFO L82 PathProgramCache]: Analyzing trace with hash 263151092, now seen corresponding path program 1 times [2018-10-24 02:11:46,151 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:11:46,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:11:46,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:11:46,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:11:46,152 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:11:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:11:46,463 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 02:11:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 107 proven. 51 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 02:11:46,855 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:11:46,855 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 02:11:46,855 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-10-24 02:11:46,856 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1010], [1012], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1239], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1282], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 02:11:46,865 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 02:11:46,865 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 02:11:48,093 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 02:12:15,634 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 02:12:15,634 INFO L272 AbstractInterpreter]: Visited 97 different actions 657 times. Merged at 7 different actions 46 times. Widened at 1 different actions 2 times. Found 7 fixpoints after 2 different actions. Largest state had 26 variables. [2018-10-24 02:12:15,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:12:15,638 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 02:12:15,638 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:12:15,638 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 02:12:15,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:12:15,658 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 02:12:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:12:15,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 02:12:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-24 02:12:15,845 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 02:12:15,937 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-24 02:12:15,960 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-24 02:12:15,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-10-24 02:12:15,960 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 02:12:15,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 02:12:15,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 02:12:15,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 02:12:15,962 INFO L87 Difference]: Start difference. First operand 11825 states and 15556 transitions. Second operand 3 states. [2018-10-24 02:12:20,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 02:12:20,475 INFO L93 Difference]: Finished difference Result 23644 states and 31155 transitions. [2018-10-24 02:12:20,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 02:12:20,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2018-10-24 02:12:20,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 02:12:20,538 INFO L225 Difference]: With dead ends: 23644 [2018-10-24 02:12:20,538 INFO L226 Difference]: Without dead ends: 11825 [2018-10-24 02:12:20,586 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 434 SyntacticMatches, 5 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 02:12:20,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11825 states. [2018-10-24 02:12:20,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11825 to 11825. [2018-10-24 02:12:20,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11825 states. [2018-10-24 02:12:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11825 states to 11825 states and 14798 transitions. [2018-10-24 02:12:20,870 INFO L78 Accepts]: Start accepts. Automaton has 11825 states and 14798 transitions. Word has length 217 [2018-10-24 02:12:20,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 02:12:20,871 INFO L481 AbstractCegarLoop]: Abstraction has 11825 states and 14798 transitions. [2018-10-24 02:12:20,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 02:12:20,871 INFO L276 IsEmpty]: Start isEmpty. Operand 11825 states and 14798 transitions. [2018-10-24 02:12:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-24 02:12:20,891 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 02:12:20,891 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 02:12:20,892 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 02:12:20,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 02:12:20,892 INFO L82 PathProgramCache]: Analyzing trace with hash -738414857, now seen corresponding path program 1 times [2018-10-24 02:12:20,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 02:12:20,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:12:20,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:12:20,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 02:12:20,894 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 02:12:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:12:21,627 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-24 02:12:21,628 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:12:21,628 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 02:12:21,628 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 277 with the following transitions: [2018-10-24 02:12:21,629 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1010], [1012], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1282], [1283], [1287], [1291], [1295], [1299], [1303], [1307], [1318], [1322], [1326], [1330], [1334], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1428], [1432], [1436], [1440], [1451], [1455], [1459], [1463], [1467], [1471], [1475], [1479], [1490], [1501], [1505], [1516], [1520], [1524], [1528], [1531], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 02:12:21,641 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 02:12:21,642 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 02:12:22,699 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 02:12:29,836 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-10-24 02:12:29,836 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-10-24 02:12:29,837 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-24 02:12:29,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 02:12:29,837 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 02:12:29,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 02:12:29,846 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 02:12:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 02:12:29,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 02:12:29,942 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-24 02:12:30,143 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 02:12:30,144 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 02:12:30,149 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 02:12:30,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:12:30 BoogieIcfgContainer [2018-10-24 02:12:30,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 02:12:30,150 INFO L168 Benchmark]: Toolchain (without parser) took 246191.73 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 2.1 GB in the end (delta: -694.4 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-24 02:12:30,151 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 02:12:30,151 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1584.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-24 02:12:30,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 465.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.8 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -921.6 MB). Peak memory consumption was 56.2 MB. Max. memory is 7.1 GB. [2018-10-24 02:12:30,153 INFO L168 Benchmark]: Boogie Preprocessor took 266.01 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: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. [2018-10-24 02:12:30,154 INFO L168 Benchmark]: RCFGBuilder took 11122.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 452.9 MB). Peak memory consumption was 452.9 MB. Max. memory is 7.1 GB. [2018-10-24 02:12:30,155 INFO L168 Benchmark]: TraceAbstraction took 232747.54 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 2.1 GB in the end (delta: -406.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-24 02:12:30,161 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1584.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 465.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.8 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -921.6 MB). Peak memory consumption was 56.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 266.01 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: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11122.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 452.9 MB). Peak memory consumption was 452.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232747.54 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 2.1 GB in the end (delta: -406.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 137]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 137). Cancelled while BasicCegarLoop was analyzing trace of length 277 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while XnfDer was eliminating 1 quantified variables from 2 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 232.6s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 111.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1847 SDtfs, 8164 SDslu, 1048 SDs, 0 SdLazy, 12054 SolverSat, 4244 SolverUnsat, 25 SolverUnknown, 0 SolverNotchecked, 105.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 728 GetRequests, 686 SyntacticMatches, 8 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 57.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11825occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 58.6s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 189 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 59.8s InterpolantComputationTime, 1050 NumberOfCodeBlocks, 1050 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1383 ConstructedInterpolants, 124 QuantifiedInterpolants, 1965693 SizeOfPredicates, 5 NumberOfNonLiveVariables, 685 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 577/710 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown