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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label15_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 15:31:15,466 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 15:31:15,468 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 15:31:15,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 15:31:15,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 15:31:15,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 15:31:15,483 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 15:31:15,485 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 15:31:15,487 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 15:31:15,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 15:31:15,489 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 15:31:15,489 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 15:31:15,490 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 15:31:15,491 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 15:31:15,492 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 15:31:15,493 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 15:31:15,494 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 15:31:15,496 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 15:31:15,498 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 15:31:15,500 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 15:31:15,501 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 15:31:15,502 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 15:31:15,505 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 15:31:15,505 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 15:31:15,505 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 15:31:15,506 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 15:31:15,507 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 15:31:15,508 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 15:31:15,509 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 15:31:15,510 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 15:31:15,510 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 15:31:15,511 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 15:31:15,511 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 15:31:15,512 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 15:31:15,517 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 15:31:15,517 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 15:31:15,518 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.epf [2018-11-07 15:31:15,534 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 15:31:15,534 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 15:31:15,535 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 15:31:15,535 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 15:31:15,535 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 15:31:15,535 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 15:31:15,535 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 15:31:15,536 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 15:31:15,536 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 15:31:15,536 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 15:31:15,536 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 15:31:15,536 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 15:31:15,537 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 15:31:15,537 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 15:31:15,537 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 15:31:15,538 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 15:31:15,538 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 15:31:15,538 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 15:31:15,538 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 15:31:15,538 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 15:31:15,539 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 15:31:15,539 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 15:31:15,539 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 15:31:15,539 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 15:31:15,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 15:31:15,540 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 15:31:15,540 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 15:31:15,540 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 15:31:15,540 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 15:31:15,540 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 15:31:15,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 15:31:15,541 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 15:31:15,541 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 15:31:15,541 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 15:31:15,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 15:31:15,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 15:31:15,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 15:31:15,606 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 15:31:15,606 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 15:31:15,607 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label15_true-unreach-call.c [2018-11-07 15:31:15,682 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/633977049/7b8fe96247584cee94527447df0cc473/FLAGc7760d4de [2018-11-07 15:31:16,380 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 15:31:16,381 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label15_true-unreach-call.c [2018-11-07 15:31:16,408 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/633977049/7b8fe96247584cee94527447df0cc473/FLAGc7760d4de [2018-11-07 15:31:16,428 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/633977049/7b8fe96247584cee94527447df0cc473 [2018-11-07 15:31:16,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 15:31:16,441 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 15:31:16,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 15:31:16,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 15:31:16,447 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 15:31:16,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:31:16" (1/1) ... [2018-11-07 15:31:16,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94445cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:31:16, skipping insertion in model container [2018-11-07 15:31:16,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:31:16" (1/1) ... [2018-11-07 15:31:16,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 15:31:16,581 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 15:31:17,719 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 15:31:17,725 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 15:31:18,125 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 15:31:18,149 INFO L193 MainTranslator]: Completed translation [2018-11-07 15:31:18,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:31:18 WrapperNode [2018-11-07 15:31:18,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 15:31:18,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 15:31:18,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 15:31:18,151 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 15:31:18,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:31:18" (1/1) ... [2018-11-07 15:31:18,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:31:18" (1/1) ... [2018-11-07 15:31:18,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 15:31:18,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 15:31:18,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 15:31:18,513 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 15:31:18,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:31:18" (1/1) ... [2018-11-07 15:31:18,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:31:18" (1/1) ... [2018-11-07 15:31:18,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:31:18" (1/1) ... [2018-11-07 15:31:18,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:31:18" (1/1) ... [2018-11-07 15:31:18,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:31:18" (1/1) ... [2018-11-07 15:31:18,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:31:18" (1/1) ... [2018-11-07 15:31:18,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:31:18" (1/1) ... [2018-11-07 15:31:18,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 15:31:18,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 15:31:18,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 15:31:18,710 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 15:31:18,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:31:18" (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 15:31:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 15:31:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 15:31:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 15:31:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 15:31:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 15:31:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 15:31:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 15:31:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 15:31:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 15:31:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 15:31:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 15:31:27,571 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 15:31:27,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:31:27 BoogieIcfgContainer [2018-11-07 15:31:27,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 15:31:27,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 15:31:27,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 15:31:27,576 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 15:31:27,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:31:16" (1/3) ... [2018-11-07 15:31:27,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2779518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:31:27, skipping insertion in model container [2018-11-07 15:31:27,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:31:18" (2/3) ... [2018-11-07 15:31:27,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2779518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:31:27, skipping insertion in model container [2018-11-07 15:31:27,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:31:27" (3/3) ... [2018-11-07 15:31:27,580 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label15_true-unreach-call.c [2018-11-07 15:31:27,590 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 15:31:27,599 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 15:31:27,617 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 15:31:27,659 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 15:31:27,660 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 15:31:27,660 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 15:31:27,660 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 15:31:27,660 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 15:31:27,660 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 15:31:27,661 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 15:31:27,661 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 15:31:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-11-07 15:31:27,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-07 15:31:27,704 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 15:31:27,706 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 15:31:27,708 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 15:31:27,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 15:31:27,714 INFO L82 PathProgramCache]: Analyzing trace with hash 2012982790, now seen corresponding path program 1 times [2018-11-07 15:31:27,717 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 15:31:27,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 15:31:27,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 15:31:27,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 15:31:27,766 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 15:31:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 15:31:28,214 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-11-07 15:31:28,243 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 15:31:28,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 15:31:28,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 15:31:28,246 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 15:31:28,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 15:31:28,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 15:31:28,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 15:31:28,278 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-11-07 15:31:38,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 15:31:38,848 INFO L93 Difference]: Finished difference Result 2164 states and 4009 transitions. [2018-11-07 15:31:38,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 15:31:38,861 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-11-07 15:31:38,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 15:31:38,896 INFO L225 Difference]: With dead ends: 2164 [2018-11-07 15:31:38,897 INFO L226 Difference]: Without dead ends: 1554 [2018-11-07 15:31:38,908 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 15:31:38,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2018-11-07 15:31:39,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1051. [2018-11-07 15:31:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1051 states. [2018-11-07 15:31:39,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1880 transitions. [2018-11-07 15:31:39,060 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1880 transitions. Word has length 43 [2018-11-07 15:31:39,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 15:31:39,061 INFO L480 AbstractCegarLoop]: Abstraction has 1051 states and 1880 transitions. [2018-11-07 15:31:39,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 15:31:39,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1880 transitions. [2018-11-07 15:31:39,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-07 15:31:39,068 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 15:31:39,068 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:31:39,068 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 15:31:39,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 15:31:39,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1160890231, now seen corresponding path program 1 times [2018-11-07 15:31:39,069 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 15:31:39,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 15:31:39,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 15:31:39,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 15:31:39,071 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 15:31:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 15:31:39,344 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 15:31:39,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 15:31:39,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 15:31:39,345 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 15:31:39,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 15:31:39,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 15:31:39,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 15:31:39,348 INFO L87 Difference]: Start difference. First operand 1051 states and 1880 transitions. Second operand 5 states. [2018-11-07 15:31:45,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 15:31:45,922 INFO L93 Difference]: Finished difference Result 3028 states and 5532 transitions. [2018-11-07 15:31:45,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 15:31:45,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2018-11-07 15:31:45,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 15:31:45,941 INFO L225 Difference]: With dead ends: 3028 [2018-11-07 15:31:45,941 INFO L226 Difference]: Without dead ends: 1983 [2018-11-07 15:31:45,946 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 15:31:45,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2018-11-07 15:31:46,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1957. [2018-11-07 15:31:46,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1957 states. [2018-11-07 15:31:46,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 3236 transitions. [2018-11-07 15:31:46,018 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 3236 transitions. Word has length 115 [2018-11-07 15:31:46,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 15:31:46,018 INFO L480 AbstractCegarLoop]: Abstraction has 1957 states and 3236 transitions. [2018-11-07 15:31:46,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 15:31:46,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 3236 transitions. [2018-11-07 15:31:46,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-07 15:31:46,023 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 15:31:46,024 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:31:46,024 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 15:31:46,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 15:31:46,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2146986351, now seen corresponding path program 1 times [2018-11-07 15:31:46,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 15:31:46,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 15:31:46,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 15:31:46,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 15:31:46,026 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 15:31:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 15:31:46,542 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2018-11-07 15:31:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 15:31:46,784 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 15:31:46,784 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 15:31:46,785 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 119 with the following transitions: [2018-11-07 15:31:46,788 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [954], [956], [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 15:31:46,835 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 15:31:46,836 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 15:31:47,283 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 15:31:48,821 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 15:31:48,822 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 15:31:48,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 15:31:48,871 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 15:31:48,872 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 15:31:48,872 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 15:31:48,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 15:31:48,890 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 15:31:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 15:31:49,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 15:31:53,616 WARN L179 SmtUtils]: Spent 4.09 s on a formula simplification that was a NOOP. DAG size: 42 [2018-11-07 15:31:53,731 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 15:31:53,731 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 15:31:54,733 WARN L179 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2018-11-07 15:31:55,128 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 15:31:55,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-07 15:31:55,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-11-07 15:31:55,168 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 15:31:55,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 15:31:55,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 15:31:55,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-07 15:31:55,172 INFO L87 Difference]: Start difference. First operand 1957 states and 3236 transitions. Second operand 6 states. Received shutdown request... [2018-11-07 15:35:45,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 15:35:45,916 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 15:35:45,921 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 15:35:45,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:35:45 BoogieIcfgContainer [2018-11-07 15:35:45,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 15:35:45,923 INFO L168 Benchmark]: Toolchain (without parser) took 269482.43 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 1.9 GB in the end (delta: -438.5 MB). Peak memory consumption was 659.4 MB. Max. memory is 7.1 GB. [2018-11-07 15:35:45,924 INFO L168 Benchmark]: CDTParser took 0.20 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 15:35:45,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1707.79 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 15:35:45,925 INFO L168 Benchmark]: Boogie Procedure Inliner took 361.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 795.3 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -975.6 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2018-11-07 15:35:45,927 INFO L168 Benchmark]: Boogie Preprocessor took 196.71 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2018-11-07 15:35:45,927 INFO L168 Benchmark]: RCFGBuilder took 8862.35 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: 453.1 MB). Peak memory consumption was 453.1 MB. Max. memory is 7.1 GB. [2018-11-07 15:35:45,928 INFO L168 Benchmark]: TraceAbstraction took 258348.86 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 302.5 MB). Free memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: -67.9 MB). Peak memory consumption was 234.6 MB. Max. memory is 7.1 GB. [2018-11-07 15:35:45,934 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 1707.79 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 361.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 795.3 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -975.6 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 196.71 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8862.35 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: 453.1 MB). Peak memory consumption was 453.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258348.86 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 302.5 MB). Free memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: -67.9 MB). Peak memory consumption was 234.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 116). Cancelled while BasicCegarLoop was constructing difference of abstraction (1957states) and FLOYD_HOARE automaton (currently 7 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (6772 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 258.2s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 247.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 656 SDtfs, 5162 SDslu, 737 SDs, 0 SdLazy, 7894 SolverSat, 2662 SolverUnsat, 103 SolverUnknown, 0 SolverNotchecked, 243.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 237 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1957occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.0s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 529 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 507 ConstructedInterpolants, 80 QuantifiedInterpolants, 457449 SizeOfPredicates, 3 NumberOfNonLiveVariables, 269 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 76/144 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown