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-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label06_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 09:22:57,353 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 09:22:57,356 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 09:22:57,370 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 09:22:57,370 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 09:22:57,371 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 09:22:57,373 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 09:22:57,375 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 09:22:57,376 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 09:22:57,377 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 09:22:57,378 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 09:22:57,379 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 09:22:57,380 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 09:22:57,381 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 09:22:57,382 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 09:22:57,383 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 09:22:57,384 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 09:22:57,386 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 09:22:57,388 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 09:22:57,389 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 09:22:57,391 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 09:22:57,392 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 09:22:57,395 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 09:22:57,395 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 09:22:57,395 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 09:22:57,396 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 09:22:57,397 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 09:22:57,398 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 09:22:57,399 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 09:22:57,400 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 09:22:57,401 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 09:22:57,401 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 09:22:57,402 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 09:22:57,402 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 09:22:57,403 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 09:22:57,404 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 09:22:57,404 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 09:22:57,426 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 09:22:57,427 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 09:22:57,428 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 09:22:57,428 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 09:22:57,428 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 09:22:57,428 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 09:22:57,429 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 09:22:57,429 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 09:22:57,429 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 09:22:57,429 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 09:22:57,429 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 09:22:57,429 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 09:22:57,430 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 09:22:57,430 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 09:22:57,431 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 09:22:57,431 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 09:22:57,431 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 09:22:57,431 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 09:22:57,431 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 09:22:57,432 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 09:22:57,432 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 09:22:57,432 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 09:22:57,432 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 09:22:57,432 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 09:22:57,433 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 09:22:57,433 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 09:22:57,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 09:22:57,433 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 09:22:57,434 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 09:22:57,434 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 09:22:57,434 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 09:22:57,434 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 09:22:57,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 09:22:57,434 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 09:22:57,435 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 09:22:57,435 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 09:22:57,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 09:22:57,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 09:22:57,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 09:22:57,503 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 09:22:57,504 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 09:22:57,505 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label06_true-unreach-call.c [2018-11-07 09:22:57,567 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e0784a4e/062c2cbda1c04919ad9d2b2e4a753373/FLAG023023d9c [2018-11-07 09:22:58,298 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 09:22:58,299 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label06_true-unreach-call.c [2018-11-07 09:22:58,324 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e0784a4e/062c2cbda1c04919ad9d2b2e4a753373/FLAG023023d9c [2018-11-07 09:22:58,343 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e0784a4e/062c2cbda1c04919ad9d2b2e4a753373 [2018-11-07 09:22:58,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 09:22:58,357 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 09:22:58,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 09:22:58,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 09:22:58,363 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 09:22:58,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:22:58" (1/1) ... [2018-11-07 09:22:58,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7055bff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:58, skipping insertion in model container [2018-11-07 09:22:58,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:22:58" (1/1) ... [2018-11-07 09:22:58,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 09:22:58,512 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 09:22:59,518 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 09:22:59,524 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 09:22:59,926 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 09:22:59,954 INFO L193 MainTranslator]: Completed translation [2018-11-07 09:22:59,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:59 WrapperNode [2018-11-07 09:22:59,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 09:22:59,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 09:22:59,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 09:22:59,957 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 09:22:59,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:59" (1/1) ... [2018-11-07 09:23:00,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:59" (1/1) ... [2018-11-07 09:23:00,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 09:23:00,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 09:23:00,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 09:23:00,315 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 09:23:00,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:59" (1/1) ... [2018-11-07 09:23:00,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:59" (1/1) ... [2018-11-07 09:23:00,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:59" (1/1) ... [2018-11-07 09:23:00,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:59" (1/1) ... [2018-11-07 09:23:00,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:59" (1/1) ... [2018-11-07 09:23:00,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:59" (1/1) ... [2018-11-07 09:23:00,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:59" (1/1) ... [2018-11-07 09:23:00,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 09:23:00,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 09:23:00,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 09:23:00,550 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 09:23:00,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:59" (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 09:23:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 09:23:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 09:23:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 09:23:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 09:23:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 09:23:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 09:23:00,623 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 09:23:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 09:23:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 09:23:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 09:23:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 09:23:09,966 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 09:23:09,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:23:09 BoogieIcfgContainer [2018-11-07 09:23:09,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 09:23:09,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 09:23:09,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 09:23:09,972 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 09:23:09,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:22:58" (1/3) ... [2018-11-07 09:23:09,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@299b2a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:23:09, skipping insertion in model container [2018-11-07 09:23:09,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:59" (2/3) ... [2018-11-07 09:23:09,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@299b2a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:23:09, skipping insertion in model container [2018-11-07 09:23:09,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:23:09" (3/3) ... [2018-11-07 09:23:09,976 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label06_true-unreach-call.c [2018-11-07 09:23:09,987 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 09:23:09,998 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 09:23:10,015 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 09:23:10,060 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 09:23:10,061 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 09:23:10,061 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 09:23:10,061 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 09:23:10,061 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 09:23:10,061 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 09:23:10,062 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 09:23:10,062 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 09:23:10,098 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-11-07 09:23:10,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-07 09:23:10,107 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:23:10,109 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] [2018-11-07 09:23:10,111 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:23:10,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:23:10,118 INFO L82 PathProgramCache]: Analyzing trace with hash 2116554596, now seen corresponding path program 1 times [2018-11-07 09:23:10,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:23:10,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:23:10,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:23:10,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:23:10,173 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:23:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:23:10,629 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-11-07 09:23:10,641 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 09:23:10,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:23:10,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 09:23:10,644 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:23:10,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 09:23:10,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 09:23:10,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 09:23:10,671 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-11-07 09:23:20,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:23:20,181 INFO L93 Difference]: Finished difference Result 2137 states and 3966 transitions. [2018-11-07 09:23:20,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 09:23:20,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2018-11-07 09:23:20,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:23:20,217 INFO L225 Difference]: With dead ends: 2137 [2018-11-07 09:23:20,218 INFO L226 Difference]: Without dead ends: 1527 [2018-11-07 09:23:20,231 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 09:23:20,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2018-11-07 09:23:20,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1513. [2018-11-07 09:23:20,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1513 states. [2018-11-07 09:23:20,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2344 transitions. [2018-11-07 09:23:20,395 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2344 transitions. Word has length 38 [2018-11-07 09:23:20,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:23:20,395 INFO L480 AbstractCegarLoop]: Abstraction has 1513 states and 2344 transitions. [2018-11-07 09:23:20,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 09:23:20,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2344 transitions. [2018-11-07 09:23:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-07 09:23:20,405 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:23:20,405 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:23:20,406 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:23:20,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:23:20,406 INFO L82 PathProgramCache]: Analyzing trace with hash 2036710450, now seen corresponding path program 1 times [2018-11-07 09:23:20,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:23:20,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:23:20,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:23:20,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:23:20,411 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:23:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:23:20,823 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 09:23:20,879 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:23:20,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:23:20,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 09:23:20,880 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:23:20,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 09:23:20,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 09:23:20,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 09:23:20,883 INFO L87 Difference]: Start difference. First operand 1513 states and 2344 transitions. Second operand 5 states. [2018-11-07 09:23:28,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:23:28,495 INFO L93 Difference]: Finished difference Result 4413 states and 7007 transitions. [2018-11-07 09:23:28,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 09:23:28,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2018-11-07 09:23:28,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:23:28,524 INFO L225 Difference]: With dead ends: 4413 [2018-11-07 09:23:28,524 INFO L226 Difference]: Without dead ends: 2906 [2018-11-07 09:23:28,530 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 09:23:28,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2906 states. [2018-11-07 09:23:28,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2906 to 2873. [2018-11-07 09:23:28,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2873 states. [2018-11-07 09:23:28,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 2873 states and 4204 transitions. [2018-11-07 09:23:28,642 INFO L78 Accepts]: Start accepts. Automaton has 2873 states and 4204 transitions. Word has length 110 [2018-11-07 09:23:28,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:23:28,642 INFO L480 AbstractCegarLoop]: Abstraction has 2873 states and 4204 transitions. [2018-11-07 09:23:28,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 09:23:28,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2873 states and 4204 transitions. [2018-11-07 09:23:28,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-07 09:23:28,652 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:23:28,652 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:23:28,652 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:23:28,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:23:28,653 INFO L82 PathProgramCache]: Analyzing trace with hash -493194566, now seen corresponding path program 1 times [2018-11-07 09:23:28,653 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:23:28,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:23:28,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:23:28,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:23:28,655 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:23:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:23:28,995 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:23:28,996 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:23:28,996 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:23:28,997 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-11-07 09:23:28,999 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [914], [916], [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] [2018-11-07 09:23:29,065 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:23:29,066 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:23:30,205 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 09:23:30,207 INFO L272 AbstractInterpreter]: Visited 83 different actions 235 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-07 09:23:30,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:23:30,256 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 09:23:30,256 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:23:30,256 INFO L194 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 [2018-11-07 09:23:30,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:23:30,274 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 09:23:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:23:30,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 09:24:03,548 WARN L179 SmtUtils]: Spent 32.68 s on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2018-11-07 09:24:05,793 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:24:05,793 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 09:24:08,395 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2018-11-07 09:24:12,946 WARN L179 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 29 [2018-11-07 09:24:13,325 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:24:13,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-07 09:24:13,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2018-11-07 09:24:13,359 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:24:13,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 09:24:13,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 09:24:13,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=162, Unknown=4, NotChecked=0, Total=210 [2018-11-07 09:24:13,360 INFO L87 Difference]: Start difference. First operand 2873 states and 4204 transitions. Second operand 6 states. Received shutdown request... [2018-11-07 09:27:25,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 09:27:25,487 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 09:27:25,492 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 09:27:25,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:27:25 BoogieIcfgContainer [2018-11-07 09:27:25,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 09:27:25,493 INFO L168 Benchmark]: Toolchain (without parser) took 267137.71 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -696.8 MB). Peak memory consumption was 378.0 MB. Max. memory is 7.1 GB. [2018-11-07 09:27:25,495 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. [2018-11-07 09:27:25,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1597.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-11-07 09:27:25,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 358.50 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 778.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -958.0 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2018-11-07 09:27:25,497 INFO L168 Benchmark]: Boogie Preprocessor took 233.80 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: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2018-11-07 09:27:25,498 INFO L168 Benchmark]: RCFGBuilder took 9417.74 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 471.4 MB). Peak memory consumption was 471.4 MB. Max. memory is 7.1 GB. [2018-11-07 09:27:25,499 INFO L168 Benchmark]: TraceAbstraction took 255524.98 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 296.7 MB). Free memory was 1.7 GB in the beginning and 2.1 GB in the end (delta: -362.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 09:27:25,505 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 1597.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 358.50 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 778.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -958.0 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 233.80 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: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9417.74 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 471.4 MB). Peak memory consumption was 471.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 255524.98 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 296.7 MB). Free memory was 1.7 GB in the beginning and 2.1 GB in the end (delta: -362.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 101). Cancelled while BasicCegarLoop was constructing difference of abstraction (2873states) and FLOYD_HOARE automaton (currently 7 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (8673 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 255.4s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 209.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 882 SDtfs, 5265 SDslu, 676 SDs, 0 SdLazy, 7015 SolverSat, 3197 SolverUnsat, 87 SolverUnknown, 0 SolverNotchecked, 200.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 250 GetRequests, 226 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 46.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2873occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 43.9s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 482 ConstructedInterpolants, 112 QuantifiedInterpolants, 690852 SizeOfPredicates, 3 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 66/124 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown