java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem18_label53_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 19:44:50,359 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 19:44:50,362 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 19:44:50,374 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 19:44:50,374 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 19:44:50,376 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 19:44:50,377 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 19:44:50,379 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 19:44:50,381 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 19:44:50,381 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 19:44:50,382 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 19:44:50,383 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 19:44:50,383 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 19:44:50,385 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 19:44:50,386 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 19:44:50,387 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 19:44:50,388 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 19:44:50,393 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 19:44:50,398 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 19:44:50,400 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 19:44:50,404 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 19:44:50,406 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 19:44:50,413 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 19:44:50,413 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 19:44:50,413 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 19:44:50,414 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 19:44:50,419 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 19:44:50,420 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 19:44:50,420 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 19:44:50,421 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 19:44:50,421 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 19:44:50,422 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 19:44:50,422 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 19:44:50,422 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 19:44:50,428 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 19:44:50,429 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 19:44:50,429 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 19:44:50,455 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 19:44:50,456 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 19:44:50,459 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 19:44:50,459 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 19:44:50,459 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 19:44:50,459 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 19:44:50,460 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 19:44:50,460 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 19:44:50,460 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 19:44:50,460 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 19:44:50,460 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 19:44:50,461 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 19:44:50,461 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 19:44:50,463 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 19:44:50,463 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 19:44:50,464 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 19:44:50,464 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 19:44:50,464 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 19:44:50,464 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 19:44:50,464 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 19:44:50,465 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 19:44:50,466 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 19:44:50,466 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 19:44:50,466 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 19:44:50,467 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 19:44:50,467 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 19:44:50,467 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 19:44:50,467 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 19:44:50,467 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 19:44:50,468 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 19:44:50,468 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 19:44:50,468 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 19:44:50,468 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 19:44:50,468 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 19:44:50,468 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 19:44:50,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 19:44:50,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 19:44:50,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 19:44:50,548 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 19:44:50,548 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 19:44:50,549 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label53_true-unreach-call.c [2018-11-12 19:44:50,618 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44b45ee15/2c0c82d6f5ab4e3ea849273306cd2b43/FLAG490a075f5 [2018-11-12 19:44:51,445 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 19:44:51,446 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label53_true-unreach-call.c [2018-11-12 19:44:51,483 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44b45ee15/2c0c82d6f5ab4e3ea849273306cd2b43/FLAG490a075f5 [2018-11-12 19:44:51,503 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44b45ee15/2c0c82d6f5ab4e3ea849273306cd2b43 [2018-11-12 19:44:51,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 19:44:51,518 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 19:44:51,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 19:44:51,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 19:44:51,523 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 19:44:51,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:44:51" (1/1) ... [2018-11-12 19:44:51,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c95ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:44:51, skipping insertion in model container [2018-11-12 19:44:51,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:44:51" (1/1) ... [2018-11-12 19:44:51,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 19:44:51,675 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 19:44:52,779 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:44:52,785 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 19:44:53,313 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:44:53,342 INFO L193 MainTranslator]: Completed translation [2018-11-12 19:44:53,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:44:53 WrapperNode [2018-11-12 19:44:53,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 19:44:53,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 19:44:53,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 19:44:53,344 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 19:44:53,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:44:53" (1/1) ... [2018-11-12 19:44:53,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:44:53" (1/1) ... [2018-11-12 19:44:53,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 19:44:53,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 19:44:53,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 19:44:53,675 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 19:44:53,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:44:53" (1/1) ... [2018-11-12 19:44:53,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:44:53" (1/1) ... [2018-11-12 19:44:53,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:44:53" (1/1) ... [2018-11-12 19:44:53,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:44:53" (1/1) ... [2018-11-12 19:44:53,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:44:53" (1/1) ... [2018-11-12 19:44:53,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:44:53" (1/1) ... [2018-11-12 19:44:53,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:44:53" (1/1) ... [2018-11-12 19:44:53,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 19:44:53,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 19:44:53,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 19:44:53,885 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 19:44:53,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:44:53" (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 [2018-11-12 19:44:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 19:44:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 19:44:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 19:44:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-12 19:44:53,965 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-12 19:44:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 19:44:53,965 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 19:44:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 19:44:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 19:44:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 19:44:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 19:44:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 19:44:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 19:45:02,463 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 19:45:02,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:45:02 BoogieIcfgContainer [2018-11-12 19:45:02,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 19:45:02,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 19:45:02,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 19:45:02,468 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 19:45:02,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:44:51" (1/3) ... [2018-11-12 19:45:02,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444914b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:45:02, skipping insertion in model container [2018-11-12 19:45:02,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:44:53" (2/3) ... [2018-11-12 19:45:02,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444914b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:45:02, skipping insertion in model container [2018-11-12 19:45:02,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:45:02" (3/3) ... [2018-11-12 19:45:02,472 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem18_label53_true-unreach-call.c [2018-11-12 19:45:02,482 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 19:45:02,492 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 19:45:02,509 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 19:45:02,554 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 19:45:02,554 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 19:45:02,555 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 19:45:02,555 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 19:45:02,555 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 19:45:02,555 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 19:45:02,555 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 19:45:02,556 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 19:45:02,595 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2018-11-12 19:45:02,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-12 19:45:02,606 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:45:02,607 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] [2018-11-12 19:45:02,610 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:45:02,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:45:02,616 INFO L82 PathProgramCache]: Analyzing trace with hash 861122892, now seen corresponding path program 1 times [2018-11-12 19:45:02,618 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:45:02,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:45:02,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:45:02,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:45:02,665 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:45:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:45:03,068 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:45:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:45:03,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:45:03,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 19:45:03,193 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:45:03,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 19:45:03,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 19:45:03,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 19:45:03,219 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 3 states. [2018-11-12 19:45:10,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:45:10,163 INFO L93 Difference]: Finished difference Result 2251 states and 4322 transitions. [2018-11-12 19:45:10,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 19:45:10,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-12 19:45:10,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:45:10,196 INFO L225 Difference]: With dead ends: 2251 [2018-11-12 19:45:10,196 INFO L226 Difference]: Without dead ends: 1474 [2018-11-12 19:45:10,210 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 19:45:10,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2018-11-12 19:45:10,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1474. [2018-11-12 19:45:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1474 states. [2018-11-12 19:45:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2721 transitions. [2018-11-12 19:45:10,359 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2721 transitions. Word has length 40 [2018-11-12 19:45:10,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:45:10,361 INFO L480 AbstractCegarLoop]: Abstraction has 1474 states and 2721 transitions. [2018-11-12 19:45:10,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 19:45:10,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2721 transitions. [2018-11-12 19:45:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-12 19:45:10,372 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:45:10,373 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:45:10,373 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:45:10,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:45:10,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1815461261, now seen corresponding path program 1 times [2018-11-12 19:45:10,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:45:10,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:45:10,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:45:10,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:45:10,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:45:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:45:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:45:10,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:45:10,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:45:10,717 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:45:10,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:45:10,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:45:10,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:45:10,722 INFO L87 Difference]: Start difference. First operand 1474 states and 2721 transitions. Second operand 6 states. [2018-11-12 19:45:22,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:45:22,663 INFO L93 Difference]: Finished difference Result 4419 states and 8244 transitions. [2018-11-12 19:45:22,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:45:22,667 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-11-12 19:45:22,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:45:22,687 INFO L225 Difference]: With dead ends: 4419 [2018-11-12 19:45:22,687 INFO L226 Difference]: Without dead ends: 2951 [2018-11-12 19:45:22,693 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 19:45:22,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2951 states. [2018-11-12 19:45:22,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2951 to 2928. [2018-11-12 19:45:22,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2928 states. [2018-11-12 19:45:22,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 5087 transitions. [2018-11-12 19:45:22,793 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 5087 transitions. Word has length 129 [2018-11-12 19:45:22,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:45:22,794 INFO L480 AbstractCegarLoop]: Abstraction has 2928 states and 5087 transitions. [2018-11-12 19:45:22,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:45:22,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 5087 transitions. [2018-11-12 19:45:22,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-12 19:45:22,800 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:45:22,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:45:22,801 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:45:22,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:45:22,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1289606006, now seen corresponding path program 1 times [2018-11-12 19:45:22,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:45:22,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:45:22,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:45:22,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:45:22,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:45:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:45:23,164 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:45:23,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:45:23,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:45:23,165 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:45:23,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:45:23,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:45:23,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:45:23,166 INFO L87 Difference]: Start difference. First operand 2928 states and 5087 transitions. Second operand 6 states. [2018-11-12 19:45:31,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:45:31,599 INFO L93 Difference]: Finished difference Result 10194 states and 17948 transitions. [2018-11-12 19:45:31,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:45:31,602 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2018-11-12 19:45:31,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:45:31,652 INFO L225 Difference]: With dead ends: 10194 [2018-11-12 19:45:31,653 INFO L226 Difference]: Without dead ends: 7272 [2018-11-12 19:45:31,670 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 19:45:31,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7272 states. [2018-11-12 19:45:31,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7272 to 7208. [2018-11-12 19:45:31,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7208 states. [2018-11-12 19:45:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7208 states to 7208 states and 11881 transitions. [2018-11-12 19:45:31,881 INFO L78 Accepts]: Start accepts. Automaton has 7208 states and 11881 transitions. Word has length 176 [2018-11-12 19:45:31,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:45:31,882 INFO L480 AbstractCegarLoop]: Abstraction has 7208 states and 11881 transitions. [2018-11-12 19:45:31,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:45:31,883 INFO L276 IsEmpty]: Start isEmpty. Operand 7208 states and 11881 transitions. [2018-11-12 19:45:31,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-12 19:45:31,886 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:45:31,887 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:45:31,887 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:45:31,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:45:31,887 INFO L82 PathProgramCache]: Analyzing trace with hash -680969838, now seen corresponding path program 1 times [2018-11-12 19:45:31,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:45:31,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:45:31,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:45:31,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:45:31,889 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:45:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:45:32,236 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:45:32,440 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:45:32,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:45:32,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:45:32,440 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:45:32,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:45:32,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:45:32,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:45:32,442 INFO L87 Difference]: Start difference. First operand 7208 states and 11881 transitions. Second operand 6 states. [2018-11-12 19:45:37,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:45:37,837 INFO L93 Difference]: Finished difference Result 17365 states and 29107 transitions. [2018-11-12 19:45:37,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:45:37,837 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 178 [2018-11-12 19:45:37,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:45:37,891 INFO L225 Difference]: With dead ends: 17365 [2018-11-12 19:45:37,891 INFO L226 Difference]: Without dead ends: 10163 [2018-11-12 19:45:37,916 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 19:45:37,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10163 states. [2018-11-12 19:45:38,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10163 to 10108. [2018-11-12 19:45:38,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10108 states. [2018-11-12 19:45:38,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10108 states to 10108 states and 14258 transitions. [2018-11-12 19:45:38,161 INFO L78 Accepts]: Start accepts. Automaton has 10108 states and 14258 transitions. Word has length 178 [2018-11-12 19:45:38,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:45:38,162 INFO L480 AbstractCegarLoop]: Abstraction has 10108 states and 14258 transitions. [2018-11-12 19:45:38,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:45:38,162 INFO L276 IsEmpty]: Start isEmpty. Operand 10108 states and 14258 transitions. [2018-11-12 19:45:38,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-12 19:45:38,168 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:45:38,169 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:45:38,169 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:45:38,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:45:38,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1490762096, now seen corresponding path program 1 times [2018-11-12 19:45:38,169 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:45:38,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:45:38,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:45:38,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:45:38,171 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:45:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:45:38,448 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-12 19:45:38,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:45:38,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 19:45:38,448 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:45:38,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 19:45:38,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 19:45:38,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 19:45:38,451 INFO L87 Difference]: Start difference. First operand 10108 states and 14258 transitions. Second operand 4 states. [2018-11-12 19:45:46,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:45:46,099 INFO L93 Difference]: Finished difference Result 28819 states and 41884 transitions. [2018-11-12 19:45:46,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 19:45:46,100 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 236 [2018-11-12 19:45:46,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:45:46,189 INFO L225 Difference]: With dead ends: 28819 [2018-11-12 19:45:46,189 INFO L226 Difference]: Without dead ends: 18717 [2018-11-12 19:45:46,230 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 19:45:46,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18717 states. [2018-11-12 19:45:46,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18717 to 18717. [2018-11-12 19:45:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18717 states. [2018-11-12 19:45:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18717 states to 18717 states and 26000 transitions. [2018-11-12 19:45:46,629 INFO L78 Accepts]: Start accepts. Automaton has 18717 states and 26000 transitions. Word has length 236 [2018-11-12 19:45:46,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:45:46,630 INFO L480 AbstractCegarLoop]: Abstraction has 18717 states and 26000 transitions. [2018-11-12 19:45:46,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 19:45:46,630 INFO L276 IsEmpty]: Start isEmpty. Operand 18717 states and 26000 transitions. [2018-11-12 19:45:46,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-11-12 19:45:46,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:45:46,672 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:45:46,672 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:45:46,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:45:46,672 INFO L82 PathProgramCache]: Analyzing trace with hash -205377436, now seen corresponding path program 1 times [2018-11-12 19:45:46,673 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:45:46,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:45:46,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:45:46,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:45:46,674 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:45:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:45:46,968 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:45:47,204 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 66 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 19:45:47,204 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:45:47,204 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:45:47,206 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 391 with the following transitions: [2018-11-12 19:45:47,208 INFO L202 CegarAbsIntRunner]: [0], [1], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1843], [1845], [1848], [1856], [1864], [1872], [1880], [1888], [1896], [1904], [1912], [1920], [1928], [1936], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2124], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2948], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-11-12 19:45:47,270 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:45:47,271 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:45:48,554 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:45:48,556 INFO L272 AbstractInterpreter]: Visited 283 different actions 283 times. Never merged. Never widened. Performed 2943 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2943 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 24 variables. [2018-11-12 19:45:48,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:45:48,601 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:45:49,701 INFO L227 lantSequenceWeakener]: Weakened 381 states. On average, predicates are now at 77.53% of their original sizes. [2018-11-12 19:45:49,701 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:45:50,185 INFO L415 sIntCurrentIteration]: We unified 389 AI predicates to 389 [2018-11-12 19:45:50,188 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:45:50,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:45:50,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2018-11-12 19:45:50,189 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:45:50,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-12 19:45:50,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-12 19:45:50,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-12 19:45:50,191 INFO L87 Difference]: Start difference. First operand 18717 states and 26000 transitions. Second operand 8 states. [2018-11-12 19:46:02,891 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 19:46:38,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:46:38,239 INFO L93 Difference]: Finished difference Result 38133 states and 52855 transitions. [2018-11-12 19:46:38,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-12 19:46:38,240 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 390 [2018-11-12 19:46:38,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:46:38,306 INFO L225 Difference]: With dead ends: 38133 [2018-11-12 19:46:38,306 INFO L226 Difference]: Without dead ends: 19422 [2018-11-12 19:46:38,355 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 391 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-12 19:46:38,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19422 states. [2018-11-12 19:46:38,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19422 to 19420. [2018-11-12 19:46:38,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19420 states. [2018-11-12 19:46:38,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19420 states to 19420 states and 26715 transitions. [2018-11-12 19:46:38,737 INFO L78 Accepts]: Start accepts. Automaton has 19420 states and 26715 transitions. Word has length 390 [2018-11-12 19:46:38,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:46:38,737 INFO L480 AbstractCegarLoop]: Abstraction has 19420 states and 26715 transitions. [2018-11-12 19:46:38,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-12 19:46:38,737 INFO L276 IsEmpty]: Start isEmpty. Operand 19420 states and 26715 transitions. [2018-11-12 19:46:38,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2018-11-12 19:46:38,784 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:46:38,785 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:46:38,785 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:46:38,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:46:38,786 INFO L82 PathProgramCache]: Analyzing trace with hash 750847463, now seen corresponding path program 1 times [2018-11-12 19:46:38,786 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:46:38,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:46:38,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:46:38,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:46:38,787 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:46:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:46:39,388 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-12 19:46:39,566 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-12 19:46:39,778 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-12 19:46:40,208 WARN L179 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-12 19:46:40,739 WARN L179 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-11-12 19:46:41,157 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 158 proven. 267 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 19:46:41,157 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:46:41,157 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:46:41,157 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 578 with the following transitions: [2018-11-12 19:46:41,158 INFO L202 CegarAbsIntRunner]: [0], [1], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1843], [1845], [1848], [1856], [1864], [1872], [1880], [1888], [1896], [1904], [1912], [1920], [1928], [1936], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2124], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2584], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2948], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-11-12 19:46:41,167 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:46:41,167 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:46:42,161 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:46:42,161 INFO L272 AbstractInterpreter]: Visited 287 different actions 567 times. Merged at 4 different actions 4 times. Never widened. Performed 8204 root evaluator evaluations with a maximum evaluation depth of 6. Performed 8204 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 19:46:42,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:46:42,170 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:46:44,327 INFO L227 lantSequenceWeakener]: Weakened 252 states. On average, predicates are now at 77.53% of their original sizes. [2018-11-12 19:46:44,327 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:46:44,747 INFO L415 sIntCurrentIteration]: We unified 576 AI predicates to 576 [2018-11-12 19:46:44,747 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:46:44,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:46:44,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [11] total 26 [2018-11-12 19:46:44,748 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:46:44,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-12 19:46:44,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-12 19:46:44,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2018-11-12 19:46:44,749 INFO L87 Difference]: Start difference. First operand 19420 states and 26715 transitions. Second operand 17 states. [2018-11-12 19:47:22,684 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 19:48:06,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:48:06,546 INFO L93 Difference]: Finished difference Result 40616 states and 55724 transitions. [2018-11-12 19:48:06,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-12 19:48:06,546 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 577 [2018-11-12 19:48:06,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:48:06,639 INFO L225 Difference]: With dead ends: 40616 [2018-11-12 19:48:06,639 INFO L226 Difference]: Without dead ends: 21905 [2018-11-12 19:48:06,710 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 588 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=173, Invalid=639, Unknown=0, NotChecked=0, Total=812 [2018-11-12 19:48:06,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21905 states. [2018-11-12 19:48:07,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21905 to 21666. [2018-11-12 19:48:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21666 states. [2018-11-12 19:48:07,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21666 states to 21666 states and 29001 transitions. [2018-11-12 19:48:07,364 INFO L78 Accepts]: Start accepts. Automaton has 21666 states and 29001 transitions. Word has length 577 [2018-11-12 19:48:07,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:48:07,365 INFO L480 AbstractCegarLoop]: Abstraction has 21666 states and 29001 transitions. [2018-11-12 19:48:07,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-12 19:48:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 21666 states and 29001 transitions. [2018-11-12 19:48:07,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 919 [2018-11-12 19:48:07,428 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:48:07,430 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:48:07,430 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:48:07,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:48:07,431 INFO L82 PathProgramCache]: Analyzing trace with hash -399516564, now seen corresponding path program 1 times [2018-11-12 19:48:07,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:48:07,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:48:07,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:48:07,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:48:07,433 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:48:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:48:08,184 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-12 19:48:08,549 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-12 19:48:10,919 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 105 proven. 411 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 19:48:10,920 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:48:10,920 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:48:10,920 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 919 with the following transitions: [2018-11-12 19:48:10,921 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [37], [739], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [792], [796], [800], [804], [808], [812], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [920], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [964], [968], [972], [976], [980], [984], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1384], [1388], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1468], [1472], [1476], [1480], [1484], [1488], [1492], [1496], [1500], [1504], [1508], [1512], [1516], [1520], [1524], [1528], [1532], [1536], [1540], [1544], [1548], [1552], [1556], [1560], [1564], [1568], [1572], [1576], [1580], [1584], [1588], [1592], [1596], [1600], [1604], [1608], [1612], [1616], [1620], [1622], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1843], [1845], [1848], [1856], [1864], [1872], [1880], [1888], [1896], [1904], [1912], [1920], [1928], [1936], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2124], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2948], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-11-12 19:48:10,932 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:48:10,932 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:48:13,287 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:48:13,287 INFO L272 AbstractInterpreter]: Visited 537 different actions 1070 times. Merged at 5 different actions 7 times. Never widened. Performed 19395 root evaluator evaluations with a maximum evaluation depth of 6. Performed 19395 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 19:48:13,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:48:13,323 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:48:14,555 INFO L227 lantSequenceWeakener]: Weakened 422 states. On average, predicates are now at 77.64% of their original sizes. [2018-11-12 19:48:14,556 INFO L413 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-11-12 19:48:14,908 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 19:48:14,913 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 19:48:14,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:48:14 BoogieIcfgContainer [2018-11-12 19:48:14,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 19:48:14,915 INFO L168 Benchmark]: Toolchain (without parser) took 203398.46 ms. Allocated memory was 1.5 GB in the beginning and 5.2 GB in the end (delta: 3.7 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -921.0 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-11-12 19:48:14,916 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-11-12 19:48:14,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1823.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-11-12 19:48:14,917 INFO L168 Benchmark]: Boogie Procedure Inliner took 331.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 791.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -983.9 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-12 19:48:14,918 INFO L168 Benchmark]: Boogie Preprocessor took 209.57 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. [2018-11-12 19:48:14,919 INFO L168 Benchmark]: RCFGBuilder took 8579.29 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 490.1 MB). Peak memory consumption was 490.1 MB. Max. memory is 7.1 GB. [2018-11-12 19:48:14,920 INFO L168 Benchmark]: TraceAbstraction took 192448.97 ms. Allocated memory was 2.3 GB in the beginning and 5.2 GB in the end (delta: 2.9 GB). Free memory was 1.7 GB in the beginning and 2.3 GB in the end (delta: -578.5 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-11-12 19:48:14,925 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 1823.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 331.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 791.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -983.9 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 209.57 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 8579.29 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 490.1 MB). Peak memory consumption was 490.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 192448.97 ms. Allocated memory was 2.3 GB in the beginning and 5.2 GB in the end (delta: 2.9 GB). Free memory was 1.7 GB in the beginning and 2.3 GB in the end (delta: -578.5 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 108). Cancelled while BasicCegarLoop was analyzing trace of length 919 with TraceHistMax 4,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 18 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 775 locations, 1 error locations. TIMEOUT Result, 192.3s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 170.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2247 SDtfs, 17403 SDslu, 1253 SDs, 0 SdLazy, 37860 SolverSat, 7018 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1019 GetRequests, 955 SyntacticMatches, 5 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21666occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.8s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.998445409801276 AbsIntWeakeningRatio, 0.052072263549415514 AbsIntAvgWeakeningVarsNumRemoved, 14.619022316684378 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 383 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1726 NumberOfCodeBlocks, 1726 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1719 ConstructedInterpolants, 0 QuantifiedInterpolants, 2484163 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 488/822 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown