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-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label40_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 16:51:05,163 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 16:51:05,165 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 16:51:05,177 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 16:51:05,178 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 16:51:05,179 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 16:51:05,180 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 16:51:05,183 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 16:51:05,184 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 16:51:05,186 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 16:51:05,187 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 16:51:05,189 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 16:51:05,190 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 16:51:05,192 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 16:51:05,193 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 16:51:05,201 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 16:51:05,202 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 16:51:05,207 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 16:51:05,209 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 16:51:05,214 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 16:51:05,215 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 16:51:05,216 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 16:51:05,224 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 16:51:05,224 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 16:51:05,224 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 16:51:05,226 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 16:51:05,228 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 16:51:05,229 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 16:51:05,229 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 16:51:05,230 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 16:51:05,235 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 16:51:05,236 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 16:51:05,236 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 16:51:05,236 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 16:51:05,239 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 16:51:05,240 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 16:51:05,240 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 16:51:05,270 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 16:51:05,270 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 16:51:05,271 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 16:51:05,271 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 16:51:05,273 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 16:51:05,273 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 16:51:05,273 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 16:51:05,273 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 16:51:05,273 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 16:51:05,274 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 16:51:05,274 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 16:51:05,274 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 16:51:05,274 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 16:51:05,275 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 16:51:05,275 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 16:51:05,275 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 16:51:05,276 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 16:51:05,276 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 16:51:05,276 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 16:51:05,276 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 16:51:05,276 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 16:51:05,277 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 16:51:05,277 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 16:51:05,277 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 16:51:05,277 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 16:51:05,277 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 16:51:05,278 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 16:51:05,278 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 16:51:05,278 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 16:51:05,278 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 16:51:05,278 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 16:51:05,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 16:51:05,279 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 16:51:05,279 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 16:51:05,279 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 16:51:05,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 16:51:05,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 16:51:05,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 16:51:05,343 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 16:51:05,343 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 16:51:05,344 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label40_false-unreach-call.c [2018-11-12 16:51:05,405 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a712a34ce/7fef1cf4a13447d881a27042c9cff123/FLAG72fd90780 [2018-11-12 16:51:06,133 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 16:51:06,135 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label40_false-unreach-call.c [2018-11-12 16:51:06,164 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a712a34ce/7fef1cf4a13447d881a27042c9cff123/FLAG72fd90780 [2018-11-12 16:51:06,180 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a712a34ce/7fef1cf4a13447d881a27042c9cff123 [2018-11-12 16:51:06,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 16:51:06,194 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 16:51:06,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 16:51:06,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 16:51:06,199 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 16:51:06,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:51:06" (1/1) ... [2018-11-12 16:51:06,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64366461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:51:06, skipping insertion in model container [2018-11-12 16:51:06,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:51:06" (1/1) ... [2018-11-12 16:51:06,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 16:51:06,321 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 16:51:07,390 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 16:51:07,395 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 16:51:07,827 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 16:51:07,854 INFO L193 MainTranslator]: Completed translation [2018-11-12 16:51:07,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:51:07 WrapperNode [2018-11-12 16:51:07,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 16:51:07,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 16:51:07,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 16:51:07,857 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 16:51:08,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:51:07" (1/1) ... [2018-11-12 16:51:08,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:51:07" (1/1) ... [2018-11-12 16:51:08,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 16:51:08,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 16:51:08,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 16:51:08,146 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 16:51:08,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:51:07" (1/1) ... [2018-11-12 16:51:08,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:51:07" (1/1) ... [2018-11-12 16:51:08,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:51:07" (1/1) ... [2018-11-12 16:51:08,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:51:07" (1/1) ... [2018-11-12 16:51:08,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:51:07" (1/1) ... [2018-11-12 16:51:08,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:51:07" (1/1) ... [2018-11-12 16:51:08,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:51:07" (1/1) ... [2018-11-12 16:51:08,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 16:51:08,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 16:51:08,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 16:51:08,378 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 16:51:08,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:51:07" (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 [2018-11-12 16:51:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 16:51:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 16:51:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 16:51:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 16:51:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 16:51:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 16:51:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 16:51:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 16:51:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 16:51:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 16:51:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 16:51:16,870 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 16:51:16,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:51:16 BoogieIcfgContainer [2018-11-12 16:51:16,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 16:51:16,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 16:51:16,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 16:51:16,878 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 16:51:16,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:51:06" (1/3) ... [2018-11-12 16:51:16,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b7c886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:51:16, skipping insertion in model container [2018-11-12 16:51:16,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:51:07" (2/3) ... [2018-11-12 16:51:16,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b7c886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:51:16, skipping insertion in model container [2018-11-12 16:51:16,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:51:16" (3/3) ... [2018-11-12 16:51:16,884 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label40_false-unreach-call.c [2018-11-12 16:51:16,897 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 16:51:16,915 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 16:51:16,935 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 16:51:16,999 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 16:51:16,999 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 16:51:16,999 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 16:51:16,999 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 16:51:17,000 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 16:51:17,000 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 16:51:17,000 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 16:51:17,000 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 16:51:17,058 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-11-12 16:51:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-12 16:51:17,067 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:51:17,068 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] [2018-11-12 16:51:17,071 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:51:17,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:51:17,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1682620046, now seen corresponding path program 1 times [2018-11-12 16:51:17,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:51:17,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:51:17,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:51:17,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:51:17,149 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:51:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:51:17,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:51:17,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 16:51:17,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 16:51:17,664 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:51:17,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 16:51:17,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 16:51:17,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 16:51:17,688 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-11-12 16:51:26,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:51:26,159 INFO L93 Difference]: Finished difference Result 2125 states and 3954 transitions. [2018-11-12 16:51:26,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 16:51:26,162 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-11-12 16:51:26,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:51:26,193 INFO L225 Difference]: With dead ends: 2125 [2018-11-12 16:51:26,193 INFO L226 Difference]: Without dead ends: 1515 [2018-11-12 16:51:26,207 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 16:51:26,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2018-11-12 16:51:26,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1043. [2018-11-12 16:51:26,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2018-11-12 16:51:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1647 transitions. [2018-11-12 16:51:26,338 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1647 transitions. Word has length 29 [2018-11-12 16:51:26,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:51:26,339 INFO L480 AbstractCegarLoop]: Abstraction has 1043 states and 1647 transitions. [2018-11-12 16:51:26,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 16:51:26,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1647 transitions. [2018-11-12 16:51:26,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-12 16:51:26,348 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:51:26,348 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 16:51:26,350 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:51:26,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:51:26,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1607791969, now seen corresponding path program 1 times [2018-11-12 16:51:26,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:51:26,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:51:26,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:51:26,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:51:26,354 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:51:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:51:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:51:26,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 16:51:26,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 16:51:26,712 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:51:26,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 16:51:26,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 16:51:26,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 16:51:26,715 INFO L87 Difference]: Start difference. First operand 1043 states and 1647 transitions. Second operand 5 states. [2018-11-12 16:51:34,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:51:34,300 INFO L93 Difference]: Finished difference Result 3017 states and 4847 transitions. [2018-11-12 16:51:34,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 16:51:34,301 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2018-11-12 16:51:34,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:51:34,315 INFO L225 Difference]: With dead ends: 3017 [2018-11-12 16:51:34,316 INFO L226 Difference]: Without dead ends: 1980 [2018-11-12 16:51:34,320 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 16:51:34,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2018-11-12 16:51:34,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1954. [2018-11-12 16:51:34,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1954 states. [2018-11-12 16:51:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2892 transitions. [2018-11-12 16:51:34,390 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2892 transitions. Word has length 101 [2018-11-12 16:51:34,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:51:34,391 INFO L480 AbstractCegarLoop]: Abstraction has 1954 states and 2892 transitions. [2018-11-12 16:51:34,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 16:51:34,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2892 transitions. [2018-11-12 16:51:34,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-12 16:51:34,395 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:51:34,396 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 16:51:34,396 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:51:34,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:51:34,396 INFO L82 PathProgramCache]: Analyzing trace with hash 221393273, now seen corresponding path program 1 times [2018-11-12 16:51:34,396 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:51:34,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:51:34,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:51:34,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:51:34,398 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:51:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:51:34,723 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:51:34,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 16:51:34,723 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 16:51:34,724 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2018-11-12 16:51:34,727 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [842], [844], [847], [855], [863], [871], [879], [887], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [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] [2018-11-12 16:51:34,773 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 16:51:34,773 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 16:51:35,203 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 16:51:35,990 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 16:51:35,994 INFO L272 AbstractInterpreter]: Visited 83 different actions 235 times. Merged at 5 different actions 9 times. Never widened. Performed 3924 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3924 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-12 16:51:36,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:51:36,032 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 16:51:36,032 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 16:51:36,033 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-12 16:51:36,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:51:36,048 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 16:51:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:51:36,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 16:51:52,420 WARN L179 SmtUtils]: Spent 15.75 s on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2018-11-12 16:51:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:51:52,739 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 16:51:53,413 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2018-11-12 16:51:54,653 WARN L179 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2018-11-12 16:51:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:51:55,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-12 16:51:55,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2018-11-12 16:51:55,017 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:51:55,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 16:51:55,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 16:51:55,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-11-12 16:51:55,018 INFO L87 Difference]: Start difference. First operand 1954 states and 2892 transitions. Second operand 6 states. Received shutdown request... [2018-11-12 16:55:35,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 16:55:35,058 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 16:55:35,063 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 16:55:35,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:55:35 BoogieIcfgContainer [2018-11-12 16:55:35,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 16:55:35,064 INFO L168 Benchmark]: Toolchain (without parser) took 268871.93 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -730.1 MB). Peak memory consumption was 384.6 MB. Max. memory is 7.1 GB. [2018-11-12 16:55:35,065 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 16:55:35,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1660.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 140.0 MB). Peak memory consumption was 140.0 MB. Max. memory is 7.1 GB. [2018-11-12 16:55:35,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 288.39 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 781.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -963.9 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-12 16:55:35,069 INFO L168 Benchmark]: Boogie Preprocessor took 232.50 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2018-11-12 16:55:35,071 INFO L168 Benchmark]: RCFGBuilder took 8493.59 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 448.2 MB). Peak memory consumption was 448.2 MB. Max. memory is 7.1 GB. [2018-11-12 16:55:35,071 INFO L168 Benchmark]: TraceAbstraction took 258190.91 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 332.9 MB). Free memory was 1.8 GB in the beginning and 2.2 GB in the end (delta: -368.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 16:55:35,079 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1660.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 140.0 MB). Peak memory consumption was 140.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 288.39 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 781.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -963.9 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 232.50 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8493.59 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 448.2 MB). Peak memory consumption was 448.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258190.91 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 332.9 MB). Free memory was 1.8 GB in the beginning and 2.2 GB in the end (delta: -368.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 74). Cancelled while BasicCegarLoop was constructing difference of abstraction (1954states) and FLOYD_HOARE automaton (currently 7 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (5788 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 258.0s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 236.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 893 SDtfs, 4873 SDslu, 835 SDs, 0 SdLazy, 8218 SolverSat, 2493 SolverUnsat, 104 SolverUnknown, 0 SolverNotchecked, 231.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 232 GetRequests, 208 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 18.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1954occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 498 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.7s InterpolantComputationTime, 338 NumberOfCodeBlocks, 338 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 437 ConstructedInterpolants, 103 QuantifiedInterpolants, 570658 SizeOfPredicates, 3 NumberOfNonLiveVariables, 257 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 48/88 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown