java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 02:48:36,518 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 02:48:36,525 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 02:48:36,539 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 02:48:36,540 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 02:48:36,541 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 02:48:36,542 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 02:48:36,544 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 02:48:36,546 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 02:48:36,546 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 02:48:36,547 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 02:48:36,548 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 02:48:36,549 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 02:48:36,550 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 02:48:36,551 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 02:48:36,551 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 02:48:36,552 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 02:48:36,554 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 02:48:36,556 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 02:48:36,558 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 02:48:36,559 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 02:48:36,560 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 02:48:36,563 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 02:48:36,563 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 02:48:36,563 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 02:48:36,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 02:48:36,565 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 02:48:36,566 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 02:48:36,567 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 02:48:36,568 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 02:48:36,568 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 02:48:36,569 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 02:48:36,569 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 02:48:36,570 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 02:48:36,571 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 02:48:36,571 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 02:48:36,572 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 02:48:36,588 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 02:48:36,588 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 02:48:36,589 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 02:48:36,589 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 02:48:36,589 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 02:48:36,590 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 02:48:36,590 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 02:48:36,590 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 02:48:36,590 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 02:48:36,590 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 02:48:36,590 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 02:48:36,591 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 02:48:36,591 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 02:48:36,591 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 02:48:36,592 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 02:48:36,592 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 02:48:36,592 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 02:48:36,592 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 02:48:36,592 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 02:48:36,593 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 02:48:36,593 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 02:48:36,593 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 02:48:36,593 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 02:48:36,593 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 02:48:36,594 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 02:48:36,594 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 02:48:36,594 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 02:48:36,594 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 02:48:36,594 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 02:48:36,595 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 02:48:36,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 02:48:36,595 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 02:48:36,595 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 02:48:36,595 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 02:48:36,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 02:48:36,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 02:48:36,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 02:48:36,669 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 02:48:36,670 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 02:48:36,671 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c [2018-11-07 02:48:36,741 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7ecc1e0c/477037d6ee8842e084261744c3d3c312/FLAG26da7e903 [2018-11-07 02:48:37,326 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 02:48:37,327 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c [2018-11-07 02:48:37,343 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7ecc1e0c/477037d6ee8842e084261744c3d3c312/FLAG26da7e903 [2018-11-07 02:48:37,365 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7ecc1e0c/477037d6ee8842e084261744c3d3c312 [2018-11-07 02:48:37,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 02:48:37,379 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 02:48:37,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 02:48:37,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 02:48:37,385 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 02:48:37,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:48:37" (1/1) ... [2018-11-07 02:48:37,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eeb5830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:37, skipping insertion in model container [2018-11-07 02:48:37,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:48:37" (1/1) ... [2018-11-07 02:48:37,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 02:48:37,472 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 02:48:38,016 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 02:48:38,021 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 02:48:38,163 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 02:48:38,183 INFO L193 MainTranslator]: Completed translation [2018-11-07 02:48:38,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:38 WrapperNode [2018-11-07 02:48:38,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 02:48:38,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 02:48:38,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 02:48:38,185 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 02:48:38,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:38" (1/1) ... [2018-11-07 02:48:38,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:38" (1/1) ... [2018-11-07 02:48:38,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 02:48:38,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 02:48:38,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 02:48:38,325 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 02:48:38,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:38" (1/1) ... [2018-11-07 02:48:38,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:38" (1/1) ... [2018-11-07 02:48:38,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:38" (1/1) ... [2018-11-07 02:48:38,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:38" (1/1) ... [2018-11-07 02:48:38,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:38" (1/1) ... [2018-11-07 02:48:38,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:38" (1/1) ... [2018-11-07 02:48:38,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:38" (1/1) ... [2018-11-07 02:48:38,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 02:48:38,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 02:48:38,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 02:48:38,441 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 02:48:38,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 02:48:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 02:48:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 02:48:38,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 02:48:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 02:48:38,528 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 02:48:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 02:48:38,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 02:48:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 02:48:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 02:48:41,635 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 02:48:41,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:48:41 BoogieIcfgContainer [2018-11-07 02:48:41,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 02:48:41,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 02:48:41,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 02:48:41,646 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 02:48:41,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:48:37" (1/3) ... [2018-11-07 02:48:41,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efb3f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:48:41, skipping insertion in model container [2018-11-07 02:48:41,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:48:38" (2/3) ... [2018-11-07 02:48:41,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efb3f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:48:41, skipping insertion in model container [2018-11-07 02:48:41,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:48:41" (3/3) ... [2018-11-07 02:48:41,654 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label38_true-unreach-call.c [2018-11-07 02:48:41,664 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 02:48:41,679 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 02:48:41,697 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 02:48:41,741 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 02:48:41,741 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 02:48:41,742 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 02:48:41,742 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 02:48:41,742 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 02:48:41,742 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 02:48:41,742 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 02:48:41,742 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 02:48:41,770 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 02:48:41,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-07 02:48:41,778 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:48:41,780 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] [2018-11-07 02:48:41,782 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:48:41,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:48:41,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1705771087, now seen corresponding path program 1 times [2018-11-07 02:48:41,792 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:48:41,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:48:41,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:48:41,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:48:41,842 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:48:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:48:42,266 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 02:48:42,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 02:48:42,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 02:48:42,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 02:48:42,293 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:48:42,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 02:48:42,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 02:48:42,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 02:48:42,318 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 02:48:43,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 02:48:43,942 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 02:48:43,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 02:48:43,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-07 02:48:43,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 02:48:43,963 INFO L225 Difference]: With dead ends: 574 [2018-11-07 02:48:43,963 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 02:48:43,971 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 02:48:43,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 02:48:44,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 02:48:44,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 02:48:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 607 transitions. [2018-11-07 02:48:44,050 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 607 transitions. Word has length 39 [2018-11-07 02:48:44,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 02:48:44,051 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 607 transitions. [2018-11-07 02:48:44,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 02:48:44,051 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 607 transitions. [2018-11-07 02:48:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-07 02:48:44,060 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:48:44,061 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 02:48:44,061 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:48:44,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:48:44,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1698105396, now seen corresponding path program 1 times [2018-11-07 02:48:44,062 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:48:44,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:48:44,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:48:44,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:48:44,065 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:48:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:48:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 02:48:44,395 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 02:48:44,395 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 02:48:44,397 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 128 with the following transitions: [2018-11-07 02:48:44,399 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 02:48:44,479 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 02:48:44,480 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 02:48:47,288 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 02:48:47,290 INFO L272 AbstractInterpreter]: Visited 92 different actions 92 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 02:48:47,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:48:47,301 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 02:48:49,490 INFO L227 lantSequenceWeakener]: Weakened 112 states. On average, predicates are now at 74.04% of their original sizes. [2018-11-07 02:48:49,491 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 02:48:53,424 INFO L415 sIntCurrentIteration]: We unified 126 AI predicates to 126 [2018-11-07 02:48:53,424 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 02:48:53,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 02:48:53,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-11-07 02:48:53,426 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:48:53,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 02:48:53,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 02:48:53,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-07 02:48:53,428 INFO L87 Difference]: Start difference. First operand 356 states and 607 transitions. Second operand 10 states. [2018-11-07 02:49:04,772 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 02:49:52,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 02:49:52,845 INFO L93 Difference]: Finished difference Result 855 states and 1478 transitions. [2018-11-07 02:49:52,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 02:49:52,845 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 127 [2018-11-07 02:49:52,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 02:49:52,851 INFO L225 Difference]: With dead ends: 855 [2018-11-07 02:49:52,851 INFO L226 Difference]: Without dead ends: 505 [2018-11-07 02:49:52,854 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 130 GetRequests, 101 SyntacticMatches, 17 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-11-07 02:49:52,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-11-07 02:49:52,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 500. [2018-11-07 02:49:52,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-11-07 02:49:52,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 757 transitions. [2018-11-07 02:49:52,919 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 757 transitions. Word has length 127 [2018-11-07 02:49:52,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 02:49:52,920 INFO L480 AbstractCegarLoop]: Abstraction has 500 states and 757 transitions. [2018-11-07 02:49:52,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 02:49:52,920 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 757 transitions. [2018-11-07 02:49:52,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-07 02:49:52,925 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:49:52,926 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 02:49:52,926 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:49:52,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:49:52,927 INFO L82 PathProgramCache]: Analyzing trace with hash -752870242, now seen corresponding path program 1 times [2018-11-07 02:49:52,927 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:49:52,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:49:52,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:49:52,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:49:52,929 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:49:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:49:53,283 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-07 02:49:53,283 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 02:49:53,283 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 02:49:53,284 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-11-07 02:49:53,284 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 02:49:53,290 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 02:49:53,290 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 02:49:54,413 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 02:49:58,578 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 02:49:58,578 INFO L272 AbstractInterpreter]: Visited 96 different actions 276 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 02:49:58,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:49:58,580 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 02:49:59,882 INFO L227 lantSequenceWeakener]: Weakened 46 states. On average, predicates are now at 76.19% of their original sizes. [2018-11-07 02:49:59,883 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 02:50:09,946 INFO L415 sIntCurrentIteration]: We unified 197 AI predicates to 197 [2018-11-07 02:50:09,946 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 02:50:09,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 02:50:09,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [4] total 22 [2018-11-07 02:50:09,947 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:50:09,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-07 02:50:09,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-07 02:50:09,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2018-11-07 02:50:09,948 INFO L87 Difference]: Start difference. First operand 500 states and 757 transitions. Second operand 20 states. Received shutdown request... [2018-11-07 02:52:32,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-07 02:52:32,178 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 02:52:32,184 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 02:52:32,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:52:32 BoogieIcfgContainer [2018-11-07 02:52:32,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 02:52:32,185 INFO L168 Benchmark]: Toolchain (without parser) took 234807.29 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.6 GB in the end (delta: -2.2 GB). Peak memory consumption was 454.4 MB. Max. memory is 7.1 GB. [2018-11-07 02:52:32,186 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 02:52:32,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.65 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 02:52:32,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.67 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 693.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -763.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-07 02:52:32,189 INFO L168 Benchmark]: Boogie Preprocessor took 115.78 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 02:52:32,189 INFO L168 Benchmark]: RCFGBuilder took 3199.18 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 7.1 GB. [2018-11-07 02:52:32,190 INFO L168 Benchmark]: TraceAbstraction took 230541.81 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 386.1 MB. Max. memory is 7.1 GB. [2018-11-07 02:52:32,195 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 803.65 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 139.67 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 693.6 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -763.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.78 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3199.18 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 230541.81 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 386.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 100). Cancelled while BasicCegarLoop was constructing difference of abstraction (500states) and FLOYD_HOARE automaton (currently 27 states, 20 states before enhancement),while ReachableStatesComputation was computing reachable states (1032 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 230.4s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 203.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 505 SDtfs, 1901 SDslu, 631 SDs, 0 SdLazy, 2893 SolverSat, 559 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 113.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 343 GetRequests, 275 SyntacticMatches, 26 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 16.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=500occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.2s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.993751963027774 AbsIntWeakeningRatio, 0.14241486068111456 AbsIntAvgWeakeningVarsNumRemoved, 499.374613003096 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 364 NumberOfCodeBlocks, 364 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 361 ConstructedInterpolants, 0 QuantifiedInterpolants, 182539 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 83/167 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown