java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label31_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 02:47:02,839 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 02:47:02,841 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 02:47:02,853 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 02:47:02,854 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 02:47:02,855 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 02:47:02,856 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 02:47:02,858 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 02:47:02,859 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 02:47:02,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 02:47:02,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 02:47:02,862 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 02:47:02,862 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 02:47:02,864 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 02:47:02,865 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 02:47:02,865 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 02:47:02,866 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 02:47:02,868 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 02:47:02,870 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 02:47:02,872 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 02:47:02,873 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 02:47:02,874 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 02:47:02,877 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 02:47:02,877 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 02:47:02,877 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 02:47:02,878 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 02:47:02,879 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 02:47:02,880 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 02:47:02,881 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 02:47:02,882 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 02:47:02,882 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 02:47:02,883 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 02:47:02,883 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 02:47:02,884 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 02:47:02,885 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 02:47:02,885 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 02:47:02,886 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 02:47:02,901 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 02:47:02,901 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 02:47:02,902 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 02:47:02,902 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 02:47:02,903 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 02:47:02,903 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 02:47:02,903 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 02:47:02,903 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 02:47:02,903 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 02:47:02,904 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 02:47:02,904 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 02:47:02,904 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 02:47:02,905 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 02:47:02,905 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 02:47:02,905 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 02:47:02,905 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 02:47:02,905 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 02:47:02,906 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 02:47:02,906 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 02:47:02,906 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 02:47:02,906 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 02:47:02,906 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 02:47:02,907 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 02:47:02,907 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 02:47:02,907 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 02:47:02,907 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 02:47:02,907 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 02:47:02,907 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 02:47:02,908 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 02:47:02,908 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 02:47:02,908 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 02:47:02,908 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 02:47:02,908 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 02:47:02,909 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 02:47:02,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 02:47:02,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 02:47:02,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 02:47:02,969 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 02:47:02,969 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 02:47:02,970 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label31_true-unreach-call.c [2018-11-07 02:47:03,029 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5ed7062/ca9277e77c1b4530bff290f06f3ffe27/FLAGeebdab0fb [2018-11-07 02:47:03,645 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 02:47:03,647 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label31_true-unreach-call.c [2018-11-07 02:47:03,659 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5ed7062/ca9277e77c1b4530bff290f06f3ffe27/FLAGeebdab0fb [2018-11-07 02:47:03,674 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5ed7062/ca9277e77c1b4530bff290f06f3ffe27 [2018-11-07 02:47:03,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 02:47:03,685 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 02:47:03,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 02:47:03,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 02:47:03,691 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 02:47:03,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:47:03" (1/1) ... [2018-11-07 02:47:03,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d010140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:47:03, skipping insertion in model container [2018-11-07 02:47:03,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:47:03" (1/1) ... [2018-11-07 02:47:03,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 02:47:03,777 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 02:47:04,238 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 02:47:04,243 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 02:47:04,395 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 02:47:04,416 INFO L193 MainTranslator]: Completed translation [2018-11-07 02:47:04,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:47:04 WrapperNode [2018-11-07 02:47:04,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 02:47:04,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 02:47:04,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 02:47:04,419 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 02:47:04,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:47:04" (1/1) ... [2018-11-07 02:47:04,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:47:04" (1/1) ... [2018-11-07 02:47:04,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 02:47:04,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 02:47:04,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 02:47:04,587 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 02:47:04,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:47:04" (1/1) ... [2018-11-07 02:47:04,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:47:04" (1/1) ... [2018-11-07 02:47:04,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:47:04" (1/1) ... [2018-11-07 02:47:04,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:47:04" (1/1) ... [2018-11-07 02:47:04,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:47:04" (1/1) ... [2018-11-07 02:47:04,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:47:04" (1/1) ... [2018-11-07 02:47:04,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:47:04" (1/1) ... [2018-11-07 02:47:04,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 02:47:04,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 02:47:04,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 02:47:04,685 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 02:47:04,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:47:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 02:47:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 02:47:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 02:47:04,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 02:47:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 02:47:04,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 02:47:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 02:47:04,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 02:47:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 02:47:04,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 02:47:07,924 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 02:47:07,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:47:07 BoogieIcfgContainer [2018-11-07 02:47:07,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 02:47:07,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 02:47:07,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 02:47:07,930 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 02:47:07,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:47:03" (1/3) ... [2018-11-07 02:47:07,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52727d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:47:07, skipping insertion in model container [2018-11-07 02:47:07,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:47:04" (2/3) ... [2018-11-07 02:47:07,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52727d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:47:07, skipping insertion in model container [2018-11-07 02:47:07,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:47:07" (3/3) ... [2018-11-07 02:47:07,934 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label31_true-unreach-call.c [2018-11-07 02:47:07,945 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 02:47:07,955 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 02:47:07,977 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 02:47:08,015 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 02:47:08,016 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 02:47:08,016 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 02:47:08,016 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 02:47:08,016 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 02:47:08,019 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 02:47:08,019 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 02:47:08,019 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 02:47:08,056 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 02:47:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-07 02:47:08,065 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:47:08,067 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] [2018-11-07 02:47:08,069 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:47:08,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:47:08,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1318273196, now seen corresponding path program 1 times [2018-11-07 02:47:08,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:47:08,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:47:08,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:47:08,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:47:08,131 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:47:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:47:08,490 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 02:47:08,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 02:47:08,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 02:47:08,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 02:47:08,531 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:47:08,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 02:47:08,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 02:47:08,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 02:47:08,557 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 02:47:10,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 02:47:10,664 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 02:47:10,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 02:47:10,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-11-07 02:47:10,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 02:47:10,687 INFO L225 Difference]: With dead ends: 574 [2018-11-07 02:47:10,687 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 02:47:10,696 INFO L604 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 [2018-11-07 02:47:10,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 02:47:10,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 02:47:10,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 02:47:10,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 612 transitions. [2018-11-07 02:47:10,773 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 612 transitions. Word has length 50 [2018-11-07 02:47:10,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 02:47:10,774 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 612 transitions. [2018-11-07 02:47:10,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 02:47:10,775 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 612 transitions. [2018-11-07 02:47:10,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-07 02:47:10,783 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:47:10,785 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] [2018-11-07 02:47:10,785 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:47:10,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:47:10,786 INFO L82 PathProgramCache]: Analyzing trace with hash -990709140, now seen corresponding path program 1 times [2018-11-07 02:47:10,786 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:47:10,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:47:10,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:47:10,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:47:10,788 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:47:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:47:11,137 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 02:47:11,137 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 02:47:11,138 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 02:47:11,139 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 129 with the following transitions: [2018-11-07 02:47:11,141 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [301], [303], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 02:47:11,208 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 02:47:11,209 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 02:47:13,812 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 02:47:13,918 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 02:47:13,920 INFO L272 AbstractInterpreter]: Visited 82 different actions 82 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 02:47:13,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:47:13,962 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 02:47:16,130 INFO L227 lantSequenceWeakener]: Weakened 113 states. On average, predicates are now at 74.47% of their original sizes. [2018-11-07 02:47:16,130 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 02:47:18,312 INFO L415 sIntCurrentIteration]: We unified 127 AI predicates to 127 [2018-11-07 02:47:18,312 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 02:47:18,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 02:47:18,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-11-07 02:47:18,314 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:47:18,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 02:47:18,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 02:47:18,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-07 02:47:18,316 INFO L87 Difference]: Start difference. First operand 356 states and 612 transitions. Second operand 10 states. [2018-11-07 02:48:25,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 02:48:25,512 INFO L93 Difference]: Finished difference Result 855 states and 1493 transitions. [2018-11-07 02:48:25,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 02:48:25,512 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 128 [2018-11-07 02:48:25,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 02:48:25,522 INFO L225 Difference]: With dead ends: 855 [2018-11-07 02:48:25,522 INFO L226 Difference]: Without dead ends: 505 [2018-11-07 02:48:25,526 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 131 GetRequests, 112 SyntacticMatches, 7 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-11-07 02:48:25,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-11-07 02:48:25,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 500. [2018-11-07 02:48:25,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-11-07 02:48:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 762 transitions. [2018-11-07 02:48:25,593 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 762 transitions. Word has length 128 [2018-11-07 02:48:25,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 02:48:25,593 INFO L480 AbstractCegarLoop]: Abstraction has 500 states and 762 transitions. [2018-11-07 02:48:25,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 02:48:25,594 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 762 transitions. [2018-11-07 02:48:25,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-07 02:48:25,598 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:48:25,598 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 02:48:25,599 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:48:25,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:48:25,599 INFO L82 PathProgramCache]: Analyzing trace with hash 847052891, now seen corresponding path program 1 times [2018-11-07 02:48:25,599 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:48:25,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:48:25,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:48:25,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:48:25,601 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:48:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:48:26,007 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 02:48:26,316 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-07 02:48:26,316 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 02:48:26,316 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 02:48:26,317 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-11-07 02:48:26,317 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [301], [303], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 02:48:26,326 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 02:48:26,326 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 02:48:27,535 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 02:48:38,448 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 02:48:38,448 INFO L272 AbstractInterpreter]: Visited 86 different actions 486 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 02:48:38,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:48:38,456 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 02:48:40,483 INFO L227 lantSequenceWeakener]: Weakened 113 states. On average, predicates are now at 74.47% of their original sizes. [2018-11-07 02:48:40,483 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 02:48:48,312 INFO L415 sIntCurrentIteration]: We unified 198 AI predicates to 198 [2018-11-07 02:48:48,313 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 02:48:48,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 02:48:48,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [4] total 19 [2018-11-07 02:48:48,313 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:48:48,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-07 02:48:48,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-07 02:48:48,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2018-11-07 02:48:48,315 INFO L87 Difference]: Start difference. First operand 500 states and 762 transitions. Second operand 17 states. Received shutdown request... [2018-11-07 02:50:45,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 02:50:45,535 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 02:50:45,540 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 02:50:45,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:50:45 BoogieIcfgContainer [2018-11-07 02:50:45,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 02:50:45,541 INFO L168 Benchmark]: Toolchain (without parser) took 221856.95 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -931.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-11-07 02:50:45,542 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 02:50:45,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 02:50:45,544 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -819.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-07 02:50:45,545 INFO L168 Benchmark]: Boogie Preprocessor took 98.10 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 02:50:45,545 INFO L168 Benchmark]: RCFGBuilder took 3240.38 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: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. [2018-11-07 02:50:45,546 INFO L168 Benchmark]: TraceAbstraction took 217614.47 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -249.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-11-07 02:50:45,551 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 730.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 167.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -819.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.10 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3240.38 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: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 217614.47 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -249.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 133]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 133). Cancelled while BasicCegarLoop was constructing difference of abstraction (500states) and FLOYD_HOARE automaton (currently 23 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (1308 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 217.5s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 186.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 510 SDtfs, 2148 SDslu, 375 SDs, 0 SdLazy, 2542 SolverSat, 683 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 100.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 342 GetRequests, 290 SyntacticMatches, 16 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 12.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=500occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 14.9s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9937904124860646 AbsIntWeakeningRatio, 0.14153846153846153 AbsIntAvgWeakeningVarsNumRemoved, 47.16307692307692 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 377 NumberOfCodeBlocks, 377 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 374 ConstructedInterpolants, 0 QuantifiedInterpolants, 191899 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 83/200 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown