java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-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/Problem01_label08_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:35:28,760 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:35:28,765 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:35:28,780 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:35:28,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:35:28,782 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:35:28,784 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:35:28,787 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:35:28,789 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:35:28,790 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:35:28,792 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:35:28,792 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:35:28,795 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:35:28,798 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:35:28,800 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:35:28,800 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:35:28,810 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:35:28,812 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:35:28,816 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:35:28,819 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:35:28,821 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:35:28,822 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:35:28,827 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-27 00:35:28,838 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-27 00:35:28,857 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:35:28,857 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:35:28,860 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:35:28,860 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:35:28,860 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:35:28,860 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:35:28,861 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:35:28,861 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:35:28,861 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 00:35:28,861 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:35:28,861 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:35:28,862 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:35:28,862 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:35:28,863 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:35:28,864 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:35:28,864 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:35:28,864 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:35:28,864 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:35:28,865 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:35:28,865 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:35:28,865 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:35:28,865 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:35:28,865 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:35:28,866 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:35:28,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:35:28,867 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:35:28,868 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:35:28,868 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:35:28,868 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:35:28,868 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:35:28,868 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:35:28,868 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:35:28,869 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 00:35:28,869 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 00:35:28,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:35:28,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:35:28,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:35:28,948 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:35:28,949 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:35:28,950 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-10-27 00:35:29,018 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/aaa6b32ad/dbfde2ea990746a395b3be3b7fa4992f/FLAGbfb11a645 [2018-10-27 00:35:29,670 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:35:29,671 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-10-27 00:35:29,684 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/aaa6b32ad/dbfde2ea990746a395b3be3b7fa4992f/FLAGbfb11a645 [2018-10-27 00:35:29,705 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/aaa6b32ad/dbfde2ea990746a395b3be3b7fa4992f [2018-10-27 00:35:29,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:35:29,719 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:35:29,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:35:29,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:35:29,727 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:35:29,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:35:29" (1/1) ... [2018-10-27 00:35:29,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749149db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:35:29, skipping insertion in model container [2018-10-27 00:35:29,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:35:29" (1/1) ... [2018-10-27 00:35:29,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:35:29,807 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:35:30,332 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:35:30,338 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:35:30,441 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:35:30,459 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:35:30,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:35:30 WrapperNode [2018-10-27 00:35:30,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:35:30,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:35:30,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:35:30,461 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:35:30,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:35:30" (1/1) ... [2018-10-27 00:35:30,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:35:30" (1/1) ... [2018-10-27 00:35:30,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:35:30,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:35:30,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:35:30,655 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:35:30,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:35:30" (1/1) ... [2018-10-27 00:35:30,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:35:30" (1/1) ... [2018-10-27 00:35:30,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:35:30" (1/1) ... [2018-10-27 00:35:30,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:35:30" (1/1) ... [2018-10-27 00:35:30,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:35:30" (1/1) ... [2018-10-27 00:35:30,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:35:30" (1/1) ... [2018-10-27 00:35:30,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:35:30" (1/1) ... [2018-10-27 00:35:30,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:35:30,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:35:30,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:35:30,749 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:35:30,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:35:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 00:35:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:35:30,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:35:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 00:35:30,832 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 00:35:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:35:30,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:35:30,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:35:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:35:34,430 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:35:34,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:35:34 BoogieIcfgContainer [2018-10-27 00:35:34,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:35:34,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:35:34,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:35:34,436 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:35:34,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:35:29" (1/3) ... [2018-10-27 00:35:34,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39669ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:35:34, skipping insertion in model container [2018-10-27 00:35:34,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:35:30" (2/3) ... [2018-10-27 00:35:34,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39669ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:35:34, skipping insertion in model container [2018-10-27 00:35:34,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:35:34" (3/3) ... [2018-10-27 00:35:34,441 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label08_true-unreach-call_false-termination.c [2018-10-27 00:35:34,451 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:35:34,460 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:35:34,477 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:35:34,515 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:35:34,515 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:35:34,516 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:35:34,516 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:35:34,516 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:35:34,516 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:35:34,516 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:35:34,517 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:35:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-27 00:35:34,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-27 00:35:34,566 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:35:34,567 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:35:34,570 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:35:34,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:35:34,576 INFO L82 PathProgramCache]: Analyzing trace with hash -682702232, now seen corresponding path program 1 times [2018-10-27 00:35:34,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:35:34,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:35:34,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:35:34,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:35:34,628 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:35:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:35:35,231 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 00:35:35,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:35:35,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:35:35,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:35:35,470 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:35:35,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:35:35,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:35:35,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:35:35,500 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-27 00:35:37,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:35:37,693 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-27 00:35:37,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:35:37,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2018-10-27 00:35:37,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:35:37,716 INFO L225 Difference]: With dead ends: 550 [2018-10-27 00:35:37,716 INFO L226 Difference]: Without dead ends: 340 [2018-10-27 00:35:37,723 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:35:37,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-27 00:35:37,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-27 00:35:37,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-27 00:35:37,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-10-27 00:35:37,803 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 120 [2018-10-27 00:35:37,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:35:37,804 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-10-27 00:35:37,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:35:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-10-27 00:35:37,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-27 00:35:37,811 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:35:37,811 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:35:37,811 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:35:37,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:35:37,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1009333063, now seen corresponding path program 1 times [2018-10-27 00:35:37,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:35:37,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:35:37,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:35:37,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:35:37,814 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:35:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:35:37,993 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:35:37,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:35:37,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:35:37,994 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:35:37,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:35:37,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:35:37,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:35:37,997 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-10-27 00:35:39,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:35:39,821 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-10-27 00:35:39,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:35:39,824 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-10-27 00:35:39,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:35:39,832 INFO L225 Difference]: With dead ends: 1075 [2018-10-27 00:35:39,833 INFO L226 Difference]: Without dead ends: 741 [2018-10-27 00:35:39,838 INFO L605 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 [2018-10-27 00:35:39,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-10-27 00:35:39,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-10-27 00:35:39,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-10-27 00:35:39,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-10-27 00:35:39,897 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 131 [2018-10-27 00:35:39,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:35:39,897 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-10-27 00:35:39,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:35:39,899 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-10-27 00:35:39,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-27 00:35:39,905 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:35:39,905 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:35:39,906 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:35:39,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:35:39,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1121563035, now seen corresponding path program 1 times [2018-10-27 00:35:39,906 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:35:39,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:35:39,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:35:39,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:35:39,908 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:35:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:35:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:35:40,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:35:40,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:35:40,373 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:35:40,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:35:40,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:35:40,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:35:40,375 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 5 states. [2018-10-27 00:35:43,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:35:43,061 INFO L93 Difference]: Finished difference Result 1578 states and 2533 transitions. [2018-10-27 00:35:43,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:35:43,063 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2018-10-27 00:35:43,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:35:43,070 INFO L225 Difference]: With dead ends: 1578 [2018-10-27 00:35:43,070 INFO L226 Difference]: Without dead ends: 721 [2018-10-27 00:35:43,076 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:35:43,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-10-27 00:35:43,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-10-27 00:35:43,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-10-27 00:35:43,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1069 transitions. [2018-10-27 00:35:43,133 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1069 transitions. Word has length 132 [2018-10-27 00:35:43,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:35:43,135 INFO L481 AbstractCegarLoop]: Abstraction has 721 states and 1069 transitions. [2018-10-27 00:35:43,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:35:43,136 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1069 transitions. [2018-10-27 00:35:43,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-27 00:35:43,140 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:35:43,141 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:35:43,141 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:35:43,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:35:43,142 INFO L82 PathProgramCache]: Analyzing trace with hash 915740739, now seen corresponding path program 1 times [2018-10-27 00:35:43,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:35:43,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:35:43,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:35:43,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:35:43,144 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:35:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:35:44,064 WARN L179 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2018-10-27 00:35:44,467 WARN L179 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2018-10-27 00:35:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:35:44,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:35:44,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:35:44,560 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:35:44,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:35:44,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:35:44,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:35:44,562 INFO L87 Difference]: Start difference. First operand 721 states and 1069 transitions. Second operand 5 states. [2018-10-27 00:35:46,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:35:46,022 INFO L93 Difference]: Finished difference Result 1572 states and 2365 transitions. [2018-10-27 00:35:46,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:35:46,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-10-27 00:35:46,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:35:46,028 INFO L225 Difference]: With dead ends: 1572 [2018-10-27 00:35:46,028 INFO L226 Difference]: Without dead ends: 720 [2018-10-27 00:35:46,032 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:35:46,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2018-10-27 00:35:46,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2018-10-27 00:35:46,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-10-27 00:35:46,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1062 transitions. [2018-10-27 00:35:46,056 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1062 transitions. Word has length 133 [2018-10-27 00:35:46,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:35:46,056 INFO L481 AbstractCegarLoop]: Abstraction has 720 states and 1062 transitions. [2018-10-27 00:35:46,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:35:46,056 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1062 transitions. [2018-10-27 00:35:46,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-27 00:35:46,059 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:35:46,060 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:35:46,060 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:35:46,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:35:46,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1024180077, now seen corresponding path program 1 times [2018-10-27 00:35:46,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:35:46,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:35:46,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:35:46,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:35:46,062 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:35:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:35:46,205 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:35:46,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:35:46,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:35:46,205 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:35:46,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:35:46,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:35:46,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:35:46,207 INFO L87 Difference]: Start difference. First operand 720 states and 1062 transitions. Second operand 3 states. [2018-10-27 00:35:47,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:35:47,012 INFO L93 Difference]: Finished difference Result 1882 states and 2820 transitions. [2018-10-27 00:35:47,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:35:47,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2018-10-27 00:35:47,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:35:47,024 INFO L225 Difference]: With dead ends: 1882 [2018-10-27 00:35:47,024 INFO L226 Difference]: Without dead ends: 1168 [2018-10-27 00:35:47,028 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:35:47,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2018-10-27 00:35:47,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1164. [2018-10-27 00:35:47,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1164 states. [2018-10-27 00:35:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1592 transitions. [2018-10-27 00:35:47,067 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1592 transitions. Word has length 136 [2018-10-27 00:35:47,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:35:47,069 INFO L481 AbstractCegarLoop]: Abstraction has 1164 states and 1592 transitions. [2018-10-27 00:35:47,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:35:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1592 transitions. [2018-10-27 00:35:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 00:35:47,075 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:35:47,076 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:35:47,076 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:35:47,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:35:47,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1336149662, now seen corresponding path program 1 times [2018-10-27 00:35:47,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:35:47,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:35:47,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:35:47,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:35:47,078 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:35:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:35:47,333 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:35:47,334 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:35:47,334 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:35:47,335 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-10-27 00:35:47,337 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 00:35:47,419 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:35:47,420 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:35:56,529 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:35:56,531 INFO L272 AbstractInterpreter]: Visited 69 different actions 69 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-10-27 00:35:56,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:35:56,581 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:36:00,014 INFO L227 lantSequenceWeakener]: Weakened 108 states. On average, predicates are now at 79.83% of their original sizes. [2018-10-27 00:36:00,017 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 00:36:01,423 INFO L415 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2018-10-27 00:36:01,423 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 00:36:01,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 00:36:01,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2018-10-27 00:36:01,425 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:36:01,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-27 00:36:01,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-27 00:36:01,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-27 00:36:01,426 INFO L87 Difference]: Start difference. First operand 1164 states and 1592 transitions. Second operand 12 states. [2018-10-27 00:36:16,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:36:16,710 INFO L93 Difference]: Finished difference Result 2383 states and 3259 transitions. [2018-10-27 00:36:16,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 00:36:16,711 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 168 [2018-10-27 00:36:16,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:36:16,718 INFO L225 Difference]: With dead ends: 2383 [2018-10-27 00:36:16,718 INFO L226 Difference]: Without dead ends: 1225 [2018-10-27 00:36:16,722 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 173 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-10-27 00:36:16,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2018-10-27 00:36:16,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1225. [2018-10-27 00:36:16,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1225 states. [2018-10-27 00:36:16,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1658 transitions. [2018-10-27 00:36:16,761 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1658 transitions. Word has length 168 [2018-10-27 00:36:16,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:36:16,761 INFO L481 AbstractCegarLoop]: Abstraction has 1225 states and 1658 transitions. [2018-10-27 00:36:16,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-27 00:36:16,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1658 transitions. [2018-10-27 00:36:16,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-27 00:36:16,768 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:36:16,769 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:36:16,769 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:36:16,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:36:16,770 INFO L82 PathProgramCache]: Analyzing trace with hash 213477505, now seen corresponding path program 1 times [2018-10-27 00:36:16,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:36:16,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:36:16,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:36:16,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:36:16,771 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:36:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:36:17,038 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:36:17,038 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:36:17,038 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:36:17,039 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-10-27 00:36:17,039 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 00:36:17,046 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:36:17,046 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:36:48,123 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:36:48,123 INFO L272 AbstractInterpreter]: Visited 125 different actions 192 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-27 00:36:48,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:36:48,131 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:36:56,951 INFO L227 lantSequenceWeakener]: Weakened 141 states. On average, predicates are now at 80.88% of their original sizes. [2018-10-27 00:36:56,952 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 00:37:46,820 INFO L415 sIntCurrentIteration]: We unified 176 AI predicates to 176 [2018-10-27 00:37:46,821 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 00:37:46,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 00:37:46,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [6] total 27 [2018-10-27 00:37:46,821 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:37:46,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-27 00:37:46,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-27 00:37:46,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2018-10-27 00:37:46,823 INFO L87 Difference]: Start difference. First operand 1225 states and 1658 transitions. Second operand 23 states. Received shutdown request... [2018-10-27 00:39:43,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-27 00:39:43,529 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 00:39:43,536 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 00:39:43,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:39:43 BoogieIcfgContainer [2018-10-27 00:39:43,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:39:43,537 INFO L168 Benchmark]: Toolchain (without parser) took 253818.98 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2018-10-27 00:39:43,538 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-10-27 00:39:43,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.27 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. [2018-10-27 00:39:43,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.54 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 730.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -805.9 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-27 00:39:43,540 INFO L168 Benchmark]: Boogie Preprocessor took 93.68 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. [2018-10-27 00:39:43,541 INFO L168 Benchmark]: RCFGBuilder took 3683.16 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 106.4 MB). Peak memory consumption was 106.4 MB. Max. memory is 7.1 GB. [2018-10-27 00:39:43,541 INFO L168 Benchmark]: TraceAbstraction took 249103.41 ms. Allocated memory was 2.2 GB in the beginning and 2.8 GB in the end (delta: 507.5 MB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -537.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 00:39:43,546 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 739.27 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 193.54 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 730.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -805.9 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.68 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 3683.16 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 106.4 MB). Peak memory consumption was 106.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 249103.41 ms. Allocated memory was 2.2 GB in the beginning and 2.8 GB in the end (delta: 507.5 MB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -537.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 515]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 515). Cancelled while BasicCegarLoop was constructing difference of abstraction (1225states) and FLOYD_HOARE automaton (currently 18 states, 23 states before enhancement),while ReachableStatesComputation was computing reachable states (92 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 249.0s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 141.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 742 SDtfs, 2377 SDslu, 654 SDs, 0 SdLazy, 3698 SolverSat, 706 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 54.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 397 GetRequests, 318 SyntacticMatches, 15 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 76.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1225occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 40.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9946990244579673 AbsIntWeakeningRatio, 0.22157434402332363 AbsIntAvgWeakeningVarsNumRemoved, 1486.4373177842565 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 997 NumberOfCodeBlocks, 997 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 990 ConstructedInterpolants, 0 QuantifiedInterpolants, 840867 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 163/180 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown