java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label06_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 03:32:01,359 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 03:32:01,362 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 03:32:01,374 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 03:32:01,375 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 03:32:01,376 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 03:32:01,377 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 03:32:01,379 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 03:32:01,380 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 03:32:01,381 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 03:32:01,382 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 03:32:01,382 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 03:32:01,383 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 03:32:01,384 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 03:32:01,385 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 03:32:01,386 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 03:32:01,387 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 03:32:01,389 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 03:32:01,391 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 03:32:01,393 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 03:32:01,394 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 03:32:01,395 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 03:32:01,398 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 03:32:01,404 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 03:32:01,404 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 03:32:01,406 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 03:32:01,406 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 03:32:01,407 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 03:32:01,422 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 03:32:01,423 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 03:32:01,423 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 03:32:01,424 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 03:32:01,424 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 03:32:01,424 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 03:32:01,424 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 03:32:01,425 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 03:32:01,425 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 03:32:01,425 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 03:32:01,425 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 03:32:01,425 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 03:32:01,426 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 03:32:01,426 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 03:32:01,426 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 03:32:01,427 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 03:32:01,427 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 03:32:01,427 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 03:32:01,427 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 03:32:01,428 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 03:32:01,428 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 03:32:01,428 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 03:32:01,428 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 03:32:01,428 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 03:32:01,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:32:01,429 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 03:32:01,429 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 03:32:01,429 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 03:32:01,429 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 03:32:01,430 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 03:32:01,430 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 03:32:01,430 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 03:32:01,430 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 03:32:01,430 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 03:32:01,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 03:32:01,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 03:32:01,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 03:32:01,515 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 03:32:01,515 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 03:32:01,516 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label06_true-unreach-call.c [2018-11-07 03:32:01,579 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c59d1d161/b7232ca3f0e54ae4b8feef453f09eaec/FLAG473fb3227 [2018-11-07 03:32:02,223 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 03:32:02,224 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label06_true-unreach-call.c [2018-11-07 03:32:02,250 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c59d1d161/b7232ca3f0e54ae4b8feef453f09eaec/FLAG473fb3227 [2018-11-07 03:32:02,268 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c59d1d161/b7232ca3f0e54ae4b8feef453f09eaec [2018-11-07 03:32:02,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 03:32:02,284 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 03:32:02,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 03:32:02,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 03:32:02,294 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 03:32:02,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:32:02" (1/1) ... [2018-11-07 03:32:02,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@afe51a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:02, skipping insertion in model container [2018-11-07 03:32:02,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:32:02" (1/1) ... [2018-11-07 03:32:02,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 03:32:02,422 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 03:32:03,373 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:32:03,378 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 03:32:03,676 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:32:03,699 INFO L193 MainTranslator]: Completed translation [2018-11-07 03:32:03,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:03 WrapperNode [2018-11-07 03:32:03,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 03:32:03,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 03:32:03,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 03:32:03,702 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 03:32:03,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:03" (1/1) ... [2018-11-07 03:32:03,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:03" (1/1) ... [2018-11-07 03:32:03,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 03:32:03,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 03:32:03,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 03:32:03,947 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 03:32:03,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:03" (1/1) ... [2018-11-07 03:32:03,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:03" (1/1) ... [2018-11-07 03:32:03,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:03" (1/1) ... [2018-11-07 03:32:03,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:03" (1/1) ... [2018-11-07 03:32:04,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:03" (1/1) ... [2018-11-07 03:32:04,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:03" (1/1) ... [2018-11-07 03:32:04,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:03" (1/1) ... [2018-11-07 03:32:04,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 03:32:04,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 03:32:04,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 03:32:04,099 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 03:32:04,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:03" (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 03:32:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 03:32:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 03:32:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 03:32:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 03:32:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 03:32:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 03:32:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 03:32:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 03:32:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 03:32:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 03:32:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 03:32:11,378 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 03:32:11,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:32:11 BoogieIcfgContainer [2018-11-07 03:32:11,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 03:32:11,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 03:32:11,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 03:32:11,384 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 03:32:11,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:32:02" (1/3) ... [2018-11-07 03:32:11,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486f17d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:32:11, skipping insertion in model container [2018-11-07 03:32:11,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:32:03" (2/3) ... [2018-11-07 03:32:11,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486f17d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:32:11, skipping insertion in model container [2018-11-07 03:32:11,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:32:11" (3/3) ... [2018-11-07 03:32:11,390 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label06_true-unreach-call.c [2018-11-07 03:32:11,400 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 03:32:11,414 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 03:32:11,429 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 03:32:11,471 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 03:32:11,471 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 03:32:11,471 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 03:32:11,471 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 03:32:11,472 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 03:32:11,472 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 03:32:11,472 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 03:32:11,472 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 03:32:11,506 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-11-07 03:32:11,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-07 03:32:11,516 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:32:11,517 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] [2018-11-07 03:32:11,519 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:32:11,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:32:11,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1002059929, now seen corresponding path program 1 times [2018-11-07 03:32:11,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:32:11,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:32:11,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:32:11,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:32:11,582 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:32:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:32:12,100 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 03:32:12,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:32:12,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:32:12,103 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:32:12,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:32:12,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:32:12,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:32:12,132 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-11-07 03:32:19,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:32:19,358 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-11-07 03:32:19,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:32:19,360 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-11-07 03:32:19,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:32:19,390 INFO L225 Difference]: With dead ends: 1558 [2018-11-07 03:32:19,390 INFO L226 Difference]: Without dead ends: 1114 [2018-11-07 03:32:19,399 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:32:19,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-11-07 03:32:19,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1091. [2018-11-07 03:32:19,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2018-11-07 03:32:19,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1853 transitions. [2018-11-07 03:32:19,522 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1853 transitions. Word has length 63 [2018-11-07 03:32:19,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:32:19,523 INFO L480 AbstractCegarLoop]: Abstraction has 1091 states and 1853 transitions. [2018-11-07 03:32:19,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:32:19,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1853 transitions. [2018-11-07 03:32:19,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-07 03:32:19,534 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:32:19,534 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, 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] [2018-11-07 03:32:19,535 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:32:19,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:32:19,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1927078684, now seen corresponding path program 1 times [2018-11-07 03:32:19,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:32:19,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:32:19,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:32:19,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:32:19,537 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:32:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:32:19,866 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:32:19,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:32:19,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 03:32:19,867 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:32:19,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 03:32:19,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 03:32:19,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 03:32:19,871 INFO L87 Difference]: Start difference. First operand 1091 states and 1853 transitions. Second operand 5 states. [2018-11-07 03:32:25,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:32:25,383 INFO L93 Difference]: Finished difference Result 3246 states and 5588 transitions. [2018-11-07 03:32:25,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 03:32:25,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-11-07 03:32:25,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:32:25,410 INFO L225 Difference]: With dead ends: 3246 [2018-11-07 03:32:25,410 INFO L226 Difference]: Without dead ends: 2161 [2018-11-07 03:32:25,417 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 03:32:25,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2161 states. [2018-11-07 03:32:25,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2161 to 2114. [2018-11-07 03:32:25,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2114 states. [2018-11-07 03:32:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 3176 transitions. [2018-11-07 03:32:25,508 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 3176 transitions. Word has length 136 [2018-11-07 03:32:25,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:32:25,508 INFO L480 AbstractCegarLoop]: Abstraction has 2114 states and 3176 transitions. [2018-11-07 03:32:25,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 03:32:25,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 3176 transitions. [2018-11-07 03:32:25,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-07 03:32:25,513 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:32:25,514 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, 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] [2018-11-07 03:32:25,514 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:32:25,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:32:25,515 INFO L82 PathProgramCache]: Analyzing trace with hash -821821196, now seen corresponding path program 1 times [2018-11-07 03:32:25,515 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:32:25,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:32:25,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:32:25,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:32:25,516 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:32:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:32:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:32:25,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:32:25,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:32:25,674 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:32:25,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:32:25,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:32:25,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:32:25,676 INFO L87 Difference]: Start difference. First operand 2114 states and 3176 transitions. Second operand 4 states. [2018-11-07 03:32:31,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:32:31,449 INFO L93 Difference]: Finished difference Result 7960 states and 12493 transitions. [2018-11-07 03:32:31,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:32:31,452 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2018-11-07 03:32:31,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:32:31,492 INFO L225 Difference]: With dead ends: 7960 [2018-11-07 03:32:31,492 INFO L226 Difference]: Without dead ends: 5852 [2018-11-07 03:32:31,518 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:32:31,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5852 states. [2018-11-07 03:32:31,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5852 to 5847. [2018-11-07 03:32:31,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5847 states. [2018-11-07 03:32:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5847 states to 5847 states and 8247 transitions. [2018-11-07 03:32:31,686 INFO L78 Accepts]: Start accepts. Automaton has 5847 states and 8247 transitions. Word has length 144 [2018-11-07 03:32:31,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:32:31,687 INFO L480 AbstractCegarLoop]: Abstraction has 5847 states and 8247 transitions. [2018-11-07 03:32:31,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:32:31,687 INFO L276 IsEmpty]: Start isEmpty. Operand 5847 states and 8247 transitions. [2018-11-07 03:32:31,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-07 03:32:31,692 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:32:31,693 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:32:31,693 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:32:31,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:32:31,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1828676958, now seen corresponding path program 1 times [2018-11-07 03:32:31,693 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:32:31,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:32:31,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:32:31,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:32:31,695 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:32:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:32:31,981 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 03:32:32,059 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:32:32,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:32:32,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:32:32,059 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:32:32,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:32:32,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:32:32,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:32:32,061 INFO L87 Difference]: Start difference. First operand 5847 states and 8247 transitions. Second operand 6 states. [2018-11-07 03:32:35,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:32:35,962 INFO L93 Difference]: Finished difference Result 13528 states and 18776 transitions. [2018-11-07 03:32:35,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:32:35,965 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2018-11-07 03:32:35,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:32:36,008 INFO L225 Difference]: With dead ends: 13528 [2018-11-07 03:32:36,008 INFO L226 Difference]: Without dead ends: 7687 [2018-11-07 03:32:36,050 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 03:32:36,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7687 states. [2018-11-07 03:32:36,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7687 to 7623. [2018-11-07 03:32:36,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7623 states. [2018-11-07 03:32:36,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7623 states to 7623 states and 9933 transitions. [2018-11-07 03:32:36,272 INFO L78 Accepts]: Start accepts. Automaton has 7623 states and 9933 transitions. Word has length 163 [2018-11-07 03:32:36,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:32:36,273 INFO L480 AbstractCegarLoop]: Abstraction has 7623 states and 9933 transitions. [2018-11-07 03:32:36,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:32:36,273 INFO L276 IsEmpty]: Start isEmpty. Operand 7623 states and 9933 transitions. [2018-11-07 03:32:36,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-07 03:32:36,280 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:32:36,280 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, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 03:32:36,281 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:32:36,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:32:36,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1511566985, now seen corresponding path program 1 times [2018-11-07 03:32:36,281 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:32:36,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:32:36,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:32:36,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:32:36,283 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:32:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:32:36,706 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-07 03:32:36,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:32:36,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:32:36,706 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:32:36,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:32:36,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:32:36,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:32:36,708 INFO L87 Difference]: Start difference. First operand 7623 states and 9933 transitions. Second operand 4 states. [2018-11-07 03:32:40,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:32:40,538 INFO L93 Difference]: Finished difference Result 24573 states and 33010 transitions. [2018-11-07 03:32:40,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:32:40,540 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2018-11-07 03:32:40,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:32:40,622 INFO L225 Difference]: With dead ends: 24573 [2018-11-07 03:32:40,623 INFO L226 Difference]: Without dead ends: 16956 [2018-11-07 03:32:40,671 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:32:40,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16956 states. [2018-11-07 03:32:41,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16956 to 16331. [2018-11-07 03:32:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16331 states. [2018-11-07 03:32:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16331 states to 16331 states and 20871 transitions. [2018-11-07 03:32:41,110 INFO L78 Accepts]: Start accepts. Automaton has 16331 states and 20871 transitions. Word has length 218 [2018-11-07 03:32:41,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:32:41,111 INFO L480 AbstractCegarLoop]: Abstraction has 16331 states and 20871 transitions. [2018-11-07 03:32:41,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:32:41,111 INFO L276 IsEmpty]: Start isEmpty. Operand 16331 states and 20871 transitions. [2018-11-07 03:32:41,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-07 03:32:41,131 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:32:41,132 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, 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, 1, 1, 1, 1, 1, 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 03:32:41,132 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:32:41,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:32:41,132 INFO L82 PathProgramCache]: Analyzing trace with hash -2117532615, now seen corresponding path program 1 times [2018-11-07 03:32:41,133 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:32:41,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:32:41,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:32:41,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:32:41,134 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:32:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:32:41,843 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-07 03:32:41,843 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:32:41,844 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:32:41,845 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 245 with the following transitions: [2018-11-07 03:32:41,852 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [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], [477], [479], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [714], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-07 03:32:41,947 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:32:41,948 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:32:44,070 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:32:44,838 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:32:44,840 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 03:32:44,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:32:44,876 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:32:47,304 INFO L227 lantSequenceWeakener]: Weakened 236 states. On average, predicates are now at 78.22% of their original sizes. [2018-11-07 03:32:47,304 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 03:32:47,862 INFO L415 sIntCurrentIteration]: We unified 243 AI predicates to 243 [2018-11-07 03:32:47,863 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 03:32:47,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 03:32:47,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-11-07 03:32:47,864 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:32:47,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 03:32:47,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 03:32:47,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-07 03:32:47,865 INFO L87 Difference]: Start difference. First operand 16331 states and 20871 transitions. Second operand 8 states. [2018-11-07 03:34:05,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:34:05,589 INFO L93 Difference]: Finished difference Result 32966 states and 42105 transitions. [2018-11-07 03:34:05,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 03:34:05,590 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 244 [2018-11-07 03:34:05,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:34:05,651 INFO L225 Difference]: With dead ends: 32966 [2018-11-07 03:34:05,651 INFO L226 Difference]: Without dead ends: 16641 [2018-11-07 03:34:05,695 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 245 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 03:34:05,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16641 states. [2018-11-07 03:34:06,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16641 to 16639. [2018-11-07 03:34:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16639 states. [2018-11-07 03:34:06,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16639 states to 16639 states and 21188 transitions. [2018-11-07 03:34:06,093 INFO L78 Accepts]: Start accepts. Automaton has 16639 states and 21188 transitions. Word has length 244 [2018-11-07 03:34:06,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:34:06,094 INFO L480 AbstractCegarLoop]: Abstraction has 16639 states and 21188 transitions. [2018-11-07 03:34:06,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 03:34:06,094 INFO L276 IsEmpty]: Start isEmpty. Operand 16639 states and 21188 transitions. [2018-11-07 03:34:06,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-07 03:34:06,115 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:34:06,115 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, 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, 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 03:34:06,116 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:34:06,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:34:06,116 INFO L82 PathProgramCache]: Analyzing trace with hash -264173853, now seen corresponding path program 1 times [2018-11-07 03:34:06,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:34:06,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:34:06,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:34:06,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:34:06,118 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:34:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:34:07,232 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-07 03:34:07,641 WARN L179 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-07 03:34:08,184 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 252 proven. 169 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 03:34:08,185 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:34:08,185 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:34:08,185 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 341 with the following transitions: [2018-11-07 03:34:08,186 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [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], [477], [479], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [714], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-07 03:34:08,191 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:34:08,191 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:34:10,148 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:34:17,427 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:34:17,427 INFO L272 AbstractInterpreter]: Visited 109 different actions 315 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 03:34:17,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:34:17,465 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:34:21,583 INFO L227 lantSequenceWeakener]: Weakened 103 states. On average, predicates are now at 78.11% of their original sizes. [2018-11-07 03:34:21,584 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 03:35:30,360 INFO L415 sIntCurrentIteration]: We unified 339 AI predicates to 339 [2018-11-07 03:35:30,361 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 03:35:30,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 03:35:30,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [11] total 31 [2018-11-07 03:35:30,361 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:35:30,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-07 03:35:30,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-07 03:35:30,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2018-11-07 03:35:30,363 INFO L87 Difference]: Start difference. First operand 16639 states and 21188 transitions. Second operand 22 states. Received shutdown request... [2018-11-07 03:35:46,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 03:35:46,651 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 03:35:46,658 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 03:35:46,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:35:46 BoogieIcfgContainer [2018-11-07 03:35:46,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 03:35:46,661 INFO L168 Benchmark]: Toolchain (without parser) took 224378.10 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 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 1.3 GB. Max. memory is 7.1 GB. [2018-11-07 03:35:46,662 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 03:35:46,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1415.55 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: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2018-11-07 03:35:46,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 244.78 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -894.9 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. [2018-11-07 03:35:46,665 INFO L168 Benchmark]: Boogie Preprocessor took 152.13 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2018-11-07 03:35:46,665 INFO L168 Benchmark]: RCFGBuilder took 7280.68 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 290.7 MB). Peak memory consumption was 290.7 MB. Max. memory is 7.1 GB. [2018-11-07 03:35:46,667 INFO L168 Benchmark]: TraceAbstraction took 215279.43 ms. Allocated memory was 2.3 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 2.6 GB in the end (delta: -733.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-11-07 03:35:46,673 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1415.55 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: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 244.78 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -894.9 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.13 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7280.68 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 290.7 MB). Peak memory consumption was 290.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 215279.43 ms. Allocated memory was 2.3 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 2.6 GB in the end (delta: -733.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 175]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 175). Cancelled while BasicCegarLoop was constructing difference of abstraction (16639states) and FLOYD_HOARE automaton (currently 9 states, 22 states before enhancement),while ReachableStatesComputation was computing reachable states (48 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 215.1s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 120.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1669 SDtfs, 6121 SDslu, 1448 SDs, 0 SdLazy, 11906 SolverSat, 2397 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 624 GetRequests, 487 SyntacticMatches, 85 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 70.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16639occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 12.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9958009612032472 AbsIntWeakeningRatio, 0.09965635738831616 AbsIntAvgWeakeningVarsNumRemoved, 487.05670103092785 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 766 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1308 NumberOfCodeBlocks, 1308 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1301 ConstructedInterpolants, 0 QuantifiedInterpolants, 1277997 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 802/973 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown