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/Problem10_label55_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 18:09:19,874 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 18:09:19,876 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 18:09:19,888 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 18:09:19,889 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 18:09:19,890 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 18:09:19,891 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 18:09:19,893 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 18:09:19,897 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 18:09:19,904 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 18:09:19,905 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 18:09:19,905 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 18:09:19,909 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 18:09:19,910 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 18:09:19,911 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 18:09:19,917 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 18:09:19,918 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 18:09:19,920 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 18:09:19,924 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 18:09:19,928 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 18:09:19,929 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 18:09:19,931 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 18:09:19,933 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 18:09:19,934 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 18:09:19,934 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 18:09:19,936 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 18:09:19,937 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 18:09:19,937 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 18:09:19,938 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 18:09:19,941 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 18:09:19,942 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 18:09:19,942 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 18:09:19,943 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 18:09:19,943 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 18:09:19,946 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 18:09:19,947 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 18:09:19,948 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 18:09:19,979 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 18:09:19,979 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 18:09:19,980 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 18:09:19,980 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 18:09:19,981 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 18:09:19,981 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 18:09:19,981 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 18:09:19,981 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 18:09:19,981 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 18:09:19,982 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 18:09:19,982 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 18:09:19,982 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 18:09:19,984 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 18:09:19,984 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 18:09:19,984 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 18:09:19,984 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 18:09:19,984 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 18:09:19,985 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 18:09:19,985 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 18:09:19,985 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 18:09:19,985 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 18:09:19,985 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 18:09:19,985 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 18:09:19,988 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 18:09:19,988 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:09:19,988 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 18:09:19,988 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 18:09:19,989 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 18:09:19,989 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 18:09:19,989 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 18:09:19,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 18:09:19,989 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 18:09:19,990 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 18:09:19,990 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 18:09:20,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 18:09:20,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 18:09:20,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 18:09:20,069 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 18:09:20,069 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 18:09:20,070 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label55_false-unreach-call.c [2018-10-24 18:09:20,131 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ec8025462/ad9cee0163b648599f948c28d22c8d66/FLAGb416d8275 [2018-10-24 18:09:20,704 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 18:09:20,705 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label55_false-unreach-call.c [2018-10-24 18:09:20,733 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ec8025462/ad9cee0163b648599f948c28d22c8d66/FLAGb416d8275 [2018-10-24 18:09:20,755 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ec8025462/ad9cee0163b648599f948c28d22c8d66 [2018-10-24 18:09:20,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 18:09:20,770 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 18:09:20,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 18:09:20,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 18:09:20,778 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 18:09:20,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:09:20" (1/1) ... [2018-10-24 18:09:20,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75024a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:09:20, skipping insertion in model container [2018-10-24 18:09:20,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:09:20" (1/1) ... [2018-10-24 18:09:20,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 18:09:20,866 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 18:09:21,348 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:09:21,353 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 18:09:21,527 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:09:21,555 INFO L193 MainTranslator]: Completed translation [2018-10-24 18:09:21,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:09:21 WrapperNode [2018-10-24 18:09:21,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 18:09:21,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 18:09:21,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 18:09:21,557 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 18:09:21,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:09:21" (1/1) ... [2018-10-24 18:09:21,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:09:21" (1/1) ... [2018-10-24 18:09:21,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 18:09:21,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 18:09:21,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 18:09:21,754 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 18:09:21,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:09:21" (1/1) ... [2018-10-24 18:09:21,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:09:21" (1/1) ... [2018-10-24 18:09:21,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:09:21" (1/1) ... [2018-10-24 18:09:21,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:09:21" (1/1) ... [2018-10-24 18:09:21,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:09:21" (1/1) ... [2018-10-24 18:09:21,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:09:21" (1/1) ... [2018-10-24 18:09:21,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:09:21" (1/1) ... [2018-10-24 18:09:21,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 18:09:21,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 18:09:21,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 18:09:21,862 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 18:09:21,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:09:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:09:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 18:09:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 18:09:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 18:09:21,935 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 18:09:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 18:09:21,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 18:09:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 18:09:21,935 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 18:09:25,661 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 18:09:25,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:09:25 BoogieIcfgContainer [2018-10-24 18:09:25,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 18:09:25,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 18:09:25,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 18:09:25,672 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 18:09:25,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:09:20" (1/3) ... [2018-10-24 18:09:25,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c55959b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:09:25, skipping insertion in model container [2018-10-24 18:09:25,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:09:21" (2/3) ... [2018-10-24 18:09:25,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c55959b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:09:25, skipping insertion in model container [2018-10-24 18:09:25,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:09:25" (3/3) ... [2018-10-24 18:09:25,678 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label55_false-unreach-call.c [2018-10-24 18:09:25,689 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 18:09:25,702 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 18:09:25,722 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 18:09:25,777 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 18:09:25,778 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 18:09:25,778 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 18:09:25,778 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 18:09:25,778 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 18:09:25,778 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 18:09:25,779 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 18:09:25,779 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 18:09:25,816 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-10-24 18:09:25,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-24 18:09:25,823 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:09:25,824 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] [2018-10-24 18:09:25,827 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:09:25,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:09:25,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1027379239, now seen corresponding path program 1 times [2018-10-24 18:09:25,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:09:25,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:09:25,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:09:25,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:09:25,885 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:09:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:09:26,235 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:09:26,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:09:26,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:09:26,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 18:09:26,346 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:09:26,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 18:09:26,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 18:09:26,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:09:26,373 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-10-24 18:09:28,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:09:28,081 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-10-24 18:09:28,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 18:09:28,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-10-24 18:09:28,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:09:28,105 INFO L225 Difference]: With dead ends: 574 [2018-10-24 18:09:28,105 INFO L226 Difference]: Without dead ends: 356 [2018-10-24 18:09:28,113 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:09:28,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-10-24 18:09:28,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-10-24 18:09:28,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-10-24 18:09:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 607 transitions. [2018-10-24 18:09:28,203 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 607 transitions. Word has length 25 [2018-10-24 18:09:28,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:09:28,204 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 607 transitions. [2018-10-24 18:09:28,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 18:09:28,204 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 607 transitions. [2018-10-24 18:09:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-24 18:09:28,211 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:09:28,212 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 18:09:28,212 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:09:28,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:09:28,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1044812780, now seen corresponding path program 1 times [2018-10-24 18:09:28,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:09:28,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:09:28,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:09:28,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:09:28,215 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:09:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:09:28,616 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:09:28,679 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-24 18:09:28,680 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:09:28,680 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:09:28,681 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-10-24 18:09:28,684 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [101], [103], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [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], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-24 18:09:28,757 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:09:28,757 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:09:31,633 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:09:31,635 INFO L272 AbstractInterpreter]: Visited 92 different actions 92 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 18:09:31,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:09:31,650 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:09:33,568 INFO L232 lantSequenceWeakener]: Weakened 98 states. On average, predicates are now at 73.58% of their original sizes. [2018-10-24 18:09:33,569 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:09:37,510 INFO L413 sIntCurrentIteration]: We have 112 unified AI predicates [2018-10-24 18:09:37,511 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:09:37,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:09:37,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-10-24 18:09:37,512 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:09:37,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 18:09:37,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 18:09:37,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-24 18:09:37,514 INFO L87 Difference]: Start difference. First operand 356 states and 607 transitions. Second operand 10 states. [2018-10-24 18:09:53,430 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:10:31,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:10:31,404 INFO L93 Difference]: Finished difference Result 855 states and 1478 transitions. [2018-10-24 18:10:31,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 18:10:31,404 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 113 [2018-10-24 18:10:31,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:10:31,411 INFO L225 Difference]: With dead ends: 855 [2018-10-24 18:10:31,412 INFO L226 Difference]: Without dead ends: 505 [2018-10-24 18:10:31,416 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 116 GetRequests, 87 SyntacticMatches, 17 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-10-24 18:10:31,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-10-24 18:10:31,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 500. [2018-10-24 18:10:31,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-10-24 18:10:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 757 transitions. [2018-10-24 18:10:31,481 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 757 transitions. Word has length 113 [2018-10-24 18:10:31,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:10:31,482 INFO L481 AbstractCegarLoop]: Abstraction has 500 states and 757 transitions. [2018-10-24 18:10:31,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 18:10:31,482 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 757 transitions. [2018-10-24 18:10:31,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-24 18:10:31,492 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:10:31,492 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-24 18:10:31,493 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:10:31,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:10:31,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1654373498, now seen corresponding path program 1 times [2018-10-24 18:10:31,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:10:31,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:10:31,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:10:31,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:10:31,495 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:10:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:10:31,841 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:10:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-24 18:10:32,154 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:10:32,154 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:10:32,155 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-10-24 18:10:32,155 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [101], [103], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [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], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-24 18:10:32,168 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:10:32,168 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:10:33,559 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:10:39,310 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:10:39,310 INFO L272 AbstractInterpreter]: Visited 96 different actions 276 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 18:10:39,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:10:39,319 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:10:40,819 INFO L232 lantSequenceWeakener]: Weakened 39 states. On average, predicates are now at 75.18% of their original sizes. [2018-10-24 18:10:40,819 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:10:46,920 INFO L413 sIntCurrentIteration]: We have 183 unified AI predicates [2018-10-24 18:10:46,921 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:10:46,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:10:46,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [4] total 22 [2018-10-24 18:10:46,922 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:10:46,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-24 18:10:46,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-24 18:10:46,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2018-10-24 18:10:46,923 INFO L87 Difference]: Start difference. First operand 500 states and 757 transitions. Second operand 20 states. Received shutdown request... [2018-10-24 18:13:16,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-10-24 18:13:16,744 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 18:13:16,749 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 18:13:16,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:13:16 BoogieIcfgContainer [2018-10-24 18:13:16,750 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 18:13:16,751 INFO L168 Benchmark]: Toolchain (without parser) took 235982.35 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-24 18:13:16,752 INFO L168 Benchmark]: CDTParser took 0.23 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 18:13:16,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.70 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-24 18:13:16,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.73 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -805.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-24 18:13:16,755 INFO L168 Benchmark]: Boogie Preprocessor took 107.61 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 18:13:16,755 INFO L168 Benchmark]: RCFGBuilder took 3804.51 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 131.6 MB). Peak memory consumption was 131.6 MB. Max. memory is 7.1 GB. [2018-10-24 18:13:16,756 INFO L168 Benchmark]: TraceAbstraction took 231082.99 ms. Allocated memory was 2.2 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.5 GB in the end (delta: -484.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-24 18:13:16,761 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 784.70 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 196.73 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -805.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.61 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3804.51 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 131.6 MB). Peak memory consumption was 131.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 231082.99 ms. Allocated memory was 2.2 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.5 GB in the end (delta: -484.5 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: 58]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 58). Cancelled while BasicCegarLoop was constructing difference of abstraction (500states) and FLOYD_HOARE automaton (currently 27 states, 20 states before enhancement),while ReachableStatesComputation was computing reachable states (1196 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 230.9s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 205.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 509 SDtfs, 2192 SDslu, 307 SDs, 0 SdLazy, 2519 SolverSat, 623 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 111.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 315 GetRequests, 254 SyntacticMatches, 19 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 13.1s 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, 10.1s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9931589290100712 AbsIntWeakeningRatio, 0.15593220338983052 AbsIntAvgWeakeningVarsNumRemoved, 486.48135593220337 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, 1.3s InterpolantComputationTime, 322 NumberOfCodeBlocks, 322 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 319 ConstructedInterpolants, 0 QuantifiedInterpolants, 147959 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 83/125 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown