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/Problem16_label25_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 09:16:29,602 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 09:16:29,606 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 09:16:29,624 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 09:16:29,624 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 09:16:29,626 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 09:16:29,629 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 09:16:29,631 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 09:16:29,636 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 09:16:29,638 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 09:16:29,639 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 09:16:29,639 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 09:16:29,642 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 09:16:29,643 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 09:16:29,646 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 09:16:29,647 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 09:16:29,648 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 09:16:29,656 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 09:16:29,658 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 09:16:29,665 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 09:16:29,667 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 09:16:29,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 09:16:29,673 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 09:16:29,675 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 09:16:29,675 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 09:16:29,676 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 09:16:29,677 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 09:16:29,682 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 09:16:29,683 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 09:16:29,686 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 09:16:29,686 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 09:16:29,687 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 09:16:29,687 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 09:16:29,687 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 09:16:29,688 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 09:16:29,689 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 09:16:29,689 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 09:16:29,719 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 09:16:29,720 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 09:16:29,721 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 09:16:29,721 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 09:16:29,721 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 09:16:29,722 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 09:16:29,722 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 09:16:29,722 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 09:16:29,722 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 09:16:29,722 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 09:16:29,723 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 09:16:29,723 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 09:16:29,723 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 09:16:29,723 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 09:16:29,724 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 09:16:29,724 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 09:16:29,724 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 09:16:29,725 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 09:16:29,725 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 09:16:29,725 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 09:16:29,725 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 09:16:29,726 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 09:16:29,726 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 09:16:29,726 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 09:16:29,726 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 09:16:29,726 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 09:16:29,727 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 09:16:29,727 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 09:16:29,727 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 09:16:29,727 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 09:16:29,727 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 09:16:29,728 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 09:16:29,728 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 09:16:29,728 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 09:16:29,728 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 09:16:29,729 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 09:16:29,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 09:16:29,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 09:16:29,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 09:16:29,799 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 09:16:29,799 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 09:16:29,800 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label25_true-unreach-call.c [2018-11-07 09:16:29,865 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f23a4830c/1412754fcc7c4623b0985e0b5f938c50/FLAGa7d2dc62c [2018-11-07 09:16:30,634 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 09:16:30,635 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label25_true-unreach-call.c [2018-11-07 09:16:30,657 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f23a4830c/1412754fcc7c4623b0985e0b5f938c50/FLAGa7d2dc62c [2018-11-07 09:16:30,674 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f23a4830c/1412754fcc7c4623b0985e0b5f938c50 [2018-11-07 09:16:30,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 09:16:30,688 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 09:16:30,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 09:16:30,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 09:16:30,694 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 09:16:30,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:16:30" (1/1) ... [2018-11-07 09:16:30,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f12b8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:30, skipping insertion in model container [2018-11-07 09:16:30,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:16:30" (1/1) ... [2018-11-07 09:16:30,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 09:16:30,801 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 09:16:31,760 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 09:16:31,766 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 09:16:31,985 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 09:16:32,005 INFO L193 MainTranslator]: Completed translation [2018-11-07 09:16:32,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:32 WrapperNode [2018-11-07 09:16:32,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 09:16:32,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 09:16:32,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 09:16:32,007 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 09:16:32,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:32" (1/1) ... [2018-11-07 09:16:32,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:32" (1/1) ... [2018-11-07 09:16:32,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 09:16:32,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 09:16:32,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 09:16:32,213 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 09:16:32,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:32" (1/1) ... [2018-11-07 09:16:32,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:32" (1/1) ... [2018-11-07 09:16:32,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:32" (1/1) ... [2018-11-07 09:16:32,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:32" (1/1) ... [2018-11-07 09:16:32,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:32" (1/1) ... [2018-11-07 09:16:32,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:32" (1/1) ... [2018-11-07 09:16:32,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:32" (1/1) ... [2018-11-07 09:16:32,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 09:16:32,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 09:16:32,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 09:16:32,378 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 09:16:32,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:32" (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 09:16:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 09:16:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 09:16:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 09:16:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 09:16:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 09:16:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 09:16:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 09:16:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 09:16:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 09:16:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 09:16:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 09:16:40,008 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 09:16:40,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:16:40 BoogieIcfgContainer [2018-11-07 09:16:40,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 09:16:40,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 09:16:40,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 09:16:40,015 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 09:16:40,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:16:30" (1/3) ... [2018-11-07 09:16:40,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620dc7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:16:40, skipping insertion in model container [2018-11-07 09:16:40,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:32" (2/3) ... [2018-11-07 09:16:40,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620dc7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:16:40, skipping insertion in model container [2018-11-07 09:16:40,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:16:40" (3/3) ... [2018-11-07 09:16:40,020 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label25_true-unreach-call.c [2018-11-07 09:16:40,034 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 09:16:40,045 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 09:16:40,064 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 09:16:40,125 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 09:16:40,126 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 09:16:40,126 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 09:16:40,126 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 09:16:40,126 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 09:16:40,126 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 09:16:40,127 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 09:16:40,127 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 09:16:40,175 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-07 09:16:40,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-07 09:16:40,189 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:16:40,190 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:16:40,193 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:16:40,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:16:40,203 INFO L82 PathProgramCache]: Analyzing trace with hash -154170549, now seen corresponding path program 1 times [2018-11-07 09:16:40,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:16:40,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:40,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:16:40,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:40,270 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:16:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:16:40,696 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 09:16:40,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:16:40,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 09:16:40,699 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:16:40,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 09:16:40,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 09:16:40,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 09:16:40,726 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-07 09:16:44,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:16:44,264 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-07 09:16:44,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 09:16:44,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-11-07 09:16:44,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:16:44,293 INFO L225 Difference]: With dead ends: 1156 [2018-11-07 09:16:44,293 INFO L226 Difference]: Without dead ends: 744 [2018-11-07 09:16:44,304 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 09:16:44,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-07 09:16:44,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-07 09:16:44,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-07 09:16:44,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1329 transitions. [2018-11-07 09:16:44,427 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1329 transitions. Word has length 57 [2018-11-07 09:16:44,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:16:44,431 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1329 transitions. [2018-11-07 09:16:44,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 09:16:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1329 transitions. [2018-11-07 09:16:44,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-07 09:16:44,444 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:16:44,445 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:16:44,445 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:16:44,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:16:44,446 INFO L82 PathProgramCache]: Analyzing trace with hash -190456344, now seen corresponding path program 1 times [2018-11-07 09:16:44,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:16:44,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:44,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:16:44,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:44,449 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:16:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:16:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:16:44,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:16:44,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 09:16:44,917 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:16:44,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 09:16:44,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 09:16:44,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 09:16:44,920 INFO L87 Difference]: Start difference. First operand 744 states and 1329 transitions. Second operand 6 states. [2018-11-07 09:16:51,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:16:51,181 INFO L93 Difference]: Finished difference Result 2183 states and 3908 transitions. [2018-11-07 09:16:51,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 09:16:51,183 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-11-07 09:16:51,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:16:51,197 INFO L225 Difference]: With dead ends: 2183 [2018-11-07 09:16:51,198 INFO L226 Difference]: Without dead ends: 1445 [2018-11-07 09:16:51,204 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 09:16:51,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2018-11-07 09:16:51,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1424. [2018-11-07 09:16:51,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1424 states. [2018-11-07 09:16:51,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 2239 transitions. [2018-11-07 09:16:51,273 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 2239 transitions. Word has length 165 [2018-11-07 09:16:51,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:16:51,274 INFO L480 AbstractCegarLoop]: Abstraction has 1424 states and 2239 transitions. [2018-11-07 09:16:51,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 09:16:51,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2239 transitions. [2018-11-07 09:16:51,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-07 09:16:51,286 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:16:51,286 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:16:51,287 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:16:51,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:16:51,287 INFO L82 PathProgramCache]: Analyzing trace with hash 2100649045, now seen corresponding path program 1 times [2018-11-07 09:16:51,287 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:16:51,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:51,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:16:51,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:51,289 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:16:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:16:51,904 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:16:51,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:16:51,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 09:16:51,905 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:16:51,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 09:16:51,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 09:16:51,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 09:16:51,912 INFO L87 Difference]: Start difference. First operand 1424 states and 2239 transitions. Second operand 6 states. [2018-11-07 09:16:56,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:16:56,258 INFO L93 Difference]: Finished difference Result 3902 states and 6351 transitions. [2018-11-07 09:16:56,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 09:16:56,269 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-11-07 09:16:56,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:16:56,288 INFO L225 Difference]: With dead ends: 3902 [2018-11-07 09:16:56,288 INFO L226 Difference]: Without dead ends: 2484 [2018-11-07 09:16:56,295 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 09:16:56,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2018-11-07 09:16:56,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2474. [2018-11-07 09:16:56,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2474 states. [2018-11-07 09:16:56,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3744 transitions. [2018-11-07 09:16:56,377 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3744 transitions. Word has length 168 [2018-11-07 09:16:56,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:16:56,378 INFO L480 AbstractCegarLoop]: Abstraction has 2474 states and 3744 transitions. [2018-11-07 09:16:56,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 09:16:56,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3744 transitions. [2018-11-07 09:16:56,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-07 09:16:56,385 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:16:56,386 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, 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, 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] [2018-11-07 09:16:56,386 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:16:56,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:16:56,386 INFO L82 PathProgramCache]: Analyzing trace with hash 778239368, now seen corresponding path program 1 times [2018-11-07 09:16:56,387 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:16:56,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:56,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:16:56,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:56,388 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:16:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:16:56,700 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 09:16:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 100 proven. 106 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 09:16:56,796 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:16:56,796 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:16:56,797 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 285 with the following transitions: [2018-11-07 09:16:56,799 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-07 09:16:56,848 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:16:56,848 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:16:57,372 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:16:57,378 INFO L272 AbstractInterpreter]: Visited 121 different actions 121 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 09:16:57,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:16:57,399 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:16:58,062 INFO L227 lantSequenceWeakener]: Weakened 275 states. On average, predicates are now at 77.95% of their original sizes. [2018-11-07 09:16:58,063 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:16:58,313 INFO L415 sIntCurrentIteration]: We unified 283 AI predicates to 283 [2018-11-07 09:16:58,314 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:16:58,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:16:58,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-07 09:16:58,315 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:16:58,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 09:16:58,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 09:16:58,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 09:16:58,317 INFO L87 Difference]: Start difference. First operand 2474 states and 3744 transitions. Second operand 6 states. [2018-11-07 09:18:36,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:18:36,233 INFO L93 Difference]: Finished difference Result 5282 states and 7967 transitions. [2018-11-07 09:18:36,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 09:18:36,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 284 [2018-11-07 09:18:36,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:18:36,250 INFO L225 Difference]: With dead ends: 5282 [2018-11-07 09:18:36,251 INFO L226 Difference]: Without dead ends: 2814 [2018-11-07 09:18:36,260 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 284 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 09:18:36,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2018-11-07 09:18:36,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2812. [2018-11-07 09:18:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2018-11-07 09:18:36,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 4089 transitions. [2018-11-07 09:18:36,335 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 4089 transitions. Word has length 284 [2018-11-07 09:18:36,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:18:36,336 INFO L480 AbstractCegarLoop]: Abstraction has 2812 states and 4089 transitions. [2018-11-07 09:18:36,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 09:18:36,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 4089 transitions. [2018-11-07 09:18:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-07 09:18:36,344 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:18:36,344 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:18:36,344 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:18:36,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:18:36,345 INFO L82 PathProgramCache]: Analyzing trace with hash 160193259, now seen corresponding path program 1 times [2018-11-07 09:18:36,345 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:18:36,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:18:36,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:18:36,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:18:36,347 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:18:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:18:37,013 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 245 proven. 110 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-07 09:18:37,013 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:18:37,013 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:18:37,014 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 377 with the following transitions: [2018-11-07 09:18:37,014 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-07 09:18:37,027 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:18:37,027 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:18:37,365 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:18:37,365 INFO L272 AbstractInterpreter]: Visited 125 different actions 362 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 09:18:37,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:18:37,388 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:18:37,916 INFO L227 lantSequenceWeakener]: Weakened 373 states. On average, predicates are now at 80.52% of their original sizes. [2018-11-07 09:18:37,916 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:18:38,643 INFO L415 sIntCurrentIteration]: We unified 375 AI predicates to 375 [2018-11-07 09:18:38,644 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:18:38,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:18:38,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 09:18:38,645 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:18:38,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 09:18:38,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 09:18:38,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 09:18:38,646 INFO L87 Difference]: Start difference. First operand 2812 states and 4089 transitions. Second operand 10 states. [2018-11-07 09:20:04,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:20:04,602 INFO L93 Difference]: Finished difference Result 8059 states and 11703 transitions. [2018-11-07 09:20:04,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 09:20:04,602 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 376 [2018-11-07 09:20:04,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:20:04,632 INFO L225 Difference]: With dead ends: 8059 [2018-11-07 09:20:04,632 INFO L226 Difference]: Without dead ends: 5591 [2018-11-07 09:20:04,649 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 385 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-07 09:20:04,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5591 states. [2018-11-07 09:20:04,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5591 to 5567. [2018-11-07 09:20:04,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5567 states. [2018-11-07 09:20:04,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 5567 states and 7100 transitions. [2018-11-07 09:20:04,785 INFO L78 Accepts]: Start accepts. Automaton has 5567 states and 7100 transitions. Word has length 376 [2018-11-07 09:20:04,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:20:04,785 INFO L480 AbstractCegarLoop]: Abstraction has 5567 states and 7100 transitions. [2018-11-07 09:20:04,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 09:20:04,786 INFO L276 IsEmpty]: Start isEmpty. Operand 5567 states and 7100 transitions. [2018-11-07 09:20:04,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2018-11-07 09:20:04,800 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:20:04,801 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:20:04,801 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:20:04,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:20:04,802 INFO L82 PathProgramCache]: Analyzing trace with hash -475876477, now seen corresponding path program 1 times [2018-11-07 09:20:04,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:20:04,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:20:04,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:20:04,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:20:04,803 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:20:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:20:05,453 WARN L179 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-07 09:20:06,067 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 260 proven. 123 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-07 09:20:06,068 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:20:06,068 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:20:06,069 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 525 with the following transitions: [2018-11-07 09:20:06,069 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-07 09:20:06,078 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:20:06,078 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:20:06,481 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:20:06,482 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 09:20:06,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:20:06,489 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:20:06,928 INFO L227 lantSequenceWeakener]: Weakened 521 states. On average, predicates are now at 77.68% of their original sizes. [2018-11-07 09:20:06,928 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:20:07,063 INFO L415 sIntCurrentIteration]: We unified 523 AI predicates to 523 [2018-11-07 09:20:07,064 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:20:07,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:20:07,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-07 09:20:07,065 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:20:07,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 09:20:07,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 09:20:07,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 09:20:07,066 INFO L87 Difference]: Start difference. First operand 5567 states and 7100 transitions. Second operand 10 states. Received shutdown request... [2018-11-07 09:20:32,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 09:20:32,301 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 09:20:32,306 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 09:20:32,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:20:32 BoogieIcfgContainer [2018-11-07 09:20:32,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 09:20:32,308 INFO L168 Benchmark]: Toolchain (without parser) took 241621.43 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 2.4 GB in the end (delta: -991.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-11-07 09:20:32,309 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 09:20:32,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1317.93 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-11-07 09:20:32,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 205.41 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 719.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -833.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2018-11-07 09:20:32,312 INFO L168 Benchmark]: Boogie Preprocessor took 164.28 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 09:20:32,312 INFO L168 Benchmark]: RCFGBuilder took 7632.70 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 261.9 MB). Peak memory consumption was 261.9 MB. Max. memory is 7.1 GB. [2018-11-07 09:20:32,313 INFO L168 Benchmark]: TraceAbstraction took 232296.05 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.9 GB in the beginning and 2.4 GB in the end (delta: -494.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-11-07 09:20:32,318 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 1317.93 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 205.41 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 719.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -833.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 164.28 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 7632.70 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 261.9 MB). Peak memory consumption was 261.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232296.05 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.9 GB in the beginning and 2.4 GB in the end (delta: -494.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 157]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 157). Cancelled while BasicCegarLoop was constructing difference of abstraction (5567states) and FLOYD_HOARE automaton (currently 12 states, 10 states before enhancement),while ReachableStatesComputation was computing reachable states (2525 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 232.1s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 223.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1250 SDtfs, 8692 SDslu, 1105 SDs, 0 SdLazy, 10764 SolverSat, 3139 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 187.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1225 GetRequests, 1167 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5567occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9977761437459909 AbsIntWeakeningRatio, 0.07620660457239628 AbsIntAvgWeakeningVarsNumRemoved, 16.219305673158342 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 57 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1574 NumberOfCodeBlocks, 1574 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1568 ConstructedInterpolants, 0 QuantifiedInterpolants, 3523487 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 905/1244 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown