java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:03:39,603 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:03:39,605 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:03:39,616 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:03:39,617 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:03:39,618 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:03:39,619 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:03:39,622 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:03:39,625 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:03:39,627 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:03:39,628 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:03:39,628 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:03:39,631 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:03:39,633 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:03:39,635 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:03:39,635 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:03:39,636 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:03:39,638 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:03:39,646 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:03:39,652 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:03:39,654 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:03:39,655 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:03:39,659 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 00:03:39,669 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 00:03:39,693 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:03:39,693 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:03:39,696 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:03:39,696 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:03:39,696 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:03:39,697 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:03:39,697 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:03:39,697 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:03:39,697 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:03:39,697 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:03:39,698 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:03:39,698 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:03:39,698 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:03:39,698 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:03:39,699 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:03:39,700 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:03:39,700 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:03:39,700 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:03:39,700 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:03:39,700 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:03:39,701 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:03:39,702 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:03:39,703 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:03:39,703 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:03:39,703 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:03:39,703 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:03:39,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:03:39,704 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:03:39,704 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:03:39,704 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:03:39,704 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:03:39,705 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:03:39,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:03:39,705 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:03:39,705 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:03:39,705 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:03:39,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:03:39,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:03:39,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:03:39,778 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:03:39,779 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:03:39,780 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-10-25 00:03:39,852 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f467760a4/58200106481d41a28dbcb0d24c777b7f/FLAGc339c86e2 [2018-10-25 00:03:40,451 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:03:40,452 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-10-25 00:03:40,477 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f467760a4/58200106481d41a28dbcb0d24c777b7f/FLAGc339c86e2 [2018-10-25 00:03:40,497 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f467760a4/58200106481d41a28dbcb0d24c777b7f [2018-10-25 00:03:40,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:03:40,511 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:03:40,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:03:40,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:03:40,518 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:03:40,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:03:40" (1/1) ... [2018-10-25 00:03:40,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79643315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:40, skipping insertion in model container [2018-10-25 00:03:40,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:03:40" (1/1) ... [2018-10-25 00:03:40,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:03:40,598 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:03:41,023 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:03:41,028 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:03:41,139 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:03:41,159 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:03:41,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:41 WrapperNode [2018-10-25 00:03:41,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:03:41,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:03:41,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:03:41,162 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:03:41,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:41" (1/1) ... [2018-10-25 00:03:41,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:41" (1/1) ... [2018-10-25 00:03:41,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:03:41,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:03:41,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:03:41,383 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:03:41,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:41" (1/1) ... [2018-10-25 00:03:41,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:41" (1/1) ... [2018-10-25 00:03:41,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:41" (1/1) ... [2018-10-25 00:03:41,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:41" (1/1) ... [2018-10-25 00:03:41,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:41" (1/1) ... [2018-10-25 00:03:41,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:41" (1/1) ... [2018-10-25 00:03:41,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:41" (1/1) ... [2018-10-25 00:03:41,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:03:41,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:03:41,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:03:41,467 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:03:41,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:03:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:03:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:03:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:03:41,539 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:03:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:03:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:03:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:03:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:03:44,517 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:03:44,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:03:44 BoogieIcfgContainer [2018-10-25 00:03:44,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:03:44,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:03:44,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:03:44,524 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:03:44,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:03:40" (1/3) ... [2018-10-25 00:03:44,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1092f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:03:44, skipping insertion in model container [2018-10-25 00:03:44,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:41" (2/3) ... [2018-10-25 00:03:44,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1092f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:03:44, skipping insertion in model container [2018-10-25 00:03:44,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:03:44" (3/3) ... [2018-10-25 00:03:44,529 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label52_true-unreach-call_false-termination.c [2018-10-25 00:03:44,537 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:03:44,545 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:03:44,562 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:03:44,598 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:03:44,599 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:03:44,599 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:03:44,599 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:03:44,599 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:03:44,600 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:03:44,600 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:03:44,600 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:03:44,627 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-25 00:03:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-25 00:03:44,643 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:03:44,644 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:03:44,647 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:03:44,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:03:44,653 INFO L82 PathProgramCache]: Analyzing trace with hash -197406427, now seen corresponding path program 1 times [2018-10-25 00:03:44,656 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:03:44,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:44,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:03:44,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:44,707 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:03:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:03:45,303 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:03:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:03:45,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:03:45,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:03:45,425 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:03:45,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:03:45,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:03:45,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:03:45,452 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-25 00:03:47,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:03:47,059 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-25 00:03:47,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:03:47,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2018-10-25 00:03:47,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:03:47,083 INFO L225 Difference]: With dead ends: 550 [2018-10-25 00:03:47,083 INFO L226 Difference]: Without dead ends: 340 [2018-10-25 00:03:47,090 INFO L605 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 [2018-10-25 00:03:47,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-25 00:03:47,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-25 00:03:47,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-25 00:03:47,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-10-25 00:03:47,173 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 133 [2018-10-25 00:03:47,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:03:47,174 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-10-25 00:03:47,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:03:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-10-25 00:03:47,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-25 00:03:47,181 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:03:47,181 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-25 00:03:47,182 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:03:47,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:03:47,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1386763570, now seen corresponding path program 1 times [2018-10-25 00:03:47,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:03:47,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:47,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:03:47,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:47,185 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:03:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:03:47,354 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:03:47,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:03:47,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-25 00:03:47,355 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:03:47,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 00:03:47,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 00:03:47,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-25 00:03:47,358 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-10-25 00:03:49,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:03:49,220 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-10-25 00:03:49,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:03:49,223 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2018-10-25 00:03:49,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:03:49,232 INFO L225 Difference]: With dead ends: 1079 [2018-10-25 00:03:49,233 INFO L226 Difference]: Without dead ends: 745 [2018-10-25 00:03:49,240 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-25 00:03:49,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-10-25 00:03:49,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-10-25 00:03:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-10-25 00:03:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-10-25 00:03:49,304 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 143 [2018-10-25 00:03:49,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:03:49,304 INFO L481 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-10-25 00:03:49,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 00:03:49,304 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-10-25 00:03:49,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-25 00:03:49,310 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:03:49,311 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-25 00:03:49,311 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:03:49,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:03:49,312 INFO L82 PathProgramCache]: Analyzing trace with hash 130268386, now seen corresponding path program 1 times [2018-10-25 00:03:49,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:03:49,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:49,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:03:49,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:49,313 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:03:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:03:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-25 00:03:49,694 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:03:49,694 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:03:49,696 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-10-25 00:03:49,698 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:03:49,772 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:03:49,772 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:03:50,549 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:03:50,552 INFO L272 AbstractInterpreter]: Visited 133 different actions 133 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-10-25 00:03:50,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:03:50,580 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:03:51,094 INFO L232 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 80.68% of their original sizes. [2018-10-25 00:03:51,094 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:03:51,362 INFO L413 sIntCurrentIteration]: We have 152 unified AI predicates [2018-10-25 00:03:51,362 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:03:51,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:03:51,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-10-25 00:03:51,364 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:03:51,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:03:51,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:03:51,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:03:51,365 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 6 states. [2018-10-25 00:03:57,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:03:57,818 INFO L93 Difference]: Finished difference Result 1598 states and 2531 transitions. [2018-10-25 00:03:57,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-25 00:03:57,818 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-10-25 00:03:57,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:03:57,824 INFO L225 Difference]: With dead ends: 1598 [2018-10-25 00:03:57,824 INFO L226 Difference]: Without dead ends: 871 [2018-10-25 00:03:57,827 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:03:57,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2018-10-25 00:03:57,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 869. [2018-10-25 00:03:57,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-10-25 00:03:57,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1308 transitions. [2018-10-25 00:03:57,855 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1308 transitions. Word has length 153 [2018-10-25 00:03:57,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:03:57,856 INFO L481 AbstractCegarLoop]: Abstraction has 869 states and 1308 transitions. [2018-10-25 00:03:57,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:03:57,856 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1308 transitions. [2018-10-25 00:03:57,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-25 00:03:57,861 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:03:57,861 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:03:57,861 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:03:57,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:03:57,862 INFO L82 PathProgramCache]: Analyzing trace with hash -2100798917, now seen corresponding path program 1 times [2018-10-25 00:03:57,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:03:57,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:57,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:03:57,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:57,864 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:03:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:03:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:03:58,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:03:58,319 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:03:58,320 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-10-25 00:03:58,320 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:03:58,328 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:03:58,328 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:03:58,916 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:03:58,917 INFO L272 AbstractInterpreter]: Visited 137 different actions 267 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-25 00:03:58,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:03:58,959 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:03:59,579 INFO L232 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 81.11% of their original sizes. [2018-10-25 00:03:59,579 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:04:01,942 INFO L413 sIntCurrentIteration]: We have 154 unified AI predicates [2018-10-25 00:04:01,942 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:04:01,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:04:01,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-10-25 00:04:01,943 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:01,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-25 00:04:01,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-25 00:04:01,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-10-25 00:04:01,944 INFO L87 Difference]: Start difference. First operand 869 states and 1308 transitions. Second operand 15 states. [2018-10-25 00:04:21,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:21,186 INFO L93 Difference]: Finished difference Result 2757 states and 4322 transitions. [2018-10-25 00:04:21,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-25 00:04:21,186 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2018-10-25 00:04:21,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:21,197 INFO L225 Difference]: With dead ends: 2757 [2018-10-25 00:04:21,198 INFO L226 Difference]: Without dead ends: 2030 [2018-10-25 00:04:21,202 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 72 SyntacticMatches, 69 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 618 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2018-10-25 00:04:21,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2030 states. [2018-10-25 00:04:21,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2030 to 1985. [2018-10-25 00:04:21,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1985 states. [2018-10-25 00:04:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2568 transitions. [2018-10-25 00:04:21,267 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2568 transitions. Word has length 155 [2018-10-25 00:04:21,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:21,268 INFO L481 AbstractCegarLoop]: Abstraction has 1985 states and 2568 transitions. [2018-10-25 00:04:21,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-25 00:04:21,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2568 transitions. [2018-10-25 00:04:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-25 00:04:21,276 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:21,277 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-10-25 00:04:21,277 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:21,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:21,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1272000863, now seen corresponding path program 1 times [2018-10-25 00:04:21,278 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:21,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:21,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:21,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:21,279 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:21,812 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-25 00:04:21,917 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:04:21,917 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:21,917 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:04:21,917 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-10-25 00:04:21,918 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:04:21,924 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:04:21,924 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:04:22,282 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:04:22,283 INFO L272 AbstractInterpreter]: Visited 137 different actions 268 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-25 00:04:22,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:22,289 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:04:23,132 INFO L232 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 80.74% of their original sizes. [2018-10-25 00:04:23,132 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:04:23,244 INFO L413 sIntCurrentIteration]: We have 161 unified AI predicates [2018-10-25 00:04:23,245 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:04:23,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:04:23,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-10-25 00:04:23,245 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:23,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-25 00:04:23,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-25 00:04:23,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:04:23,246 INFO L87 Difference]: Start difference. First operand 1985 states and 2568 transitions. Second operand 10 states. [2018-10-25 00:04:29,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:29,891 INFO L93 Difference]: Finished difference Result 3715 states and 4919 transitions. [2018-10-25 00:04:29,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-25 00:04:29,892 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2018-10-25 00:04:29,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:29,902 INFO L225 Difference]: With dead ends: 3715 [2018-10-25 00:04:29,902 INFO L226 Difference]: Without dead ends: 2126 [2018-10-25 00:04:29,907 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 169 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-10-25 00:04:29,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2126 states. [2018-10-25 00:04:29,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2126 to 2123. [2018-10-25 00:04:29,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2123 states. [2018-10-25 00:04:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2722 transitions. [2018-10-25 00:04:29,967 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2722 transitions. Word has length 162 [2018-10-25 00:04:29,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:29,967 INFO L481 AbstractCegarLoop]: Abstraction has 2123 states and 2722 transitions. [2018-10-25 00:04:29,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-25 00:04:29,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2722 transitions. [2018-10-25 00:04:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-25 00:04:29,975 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:29,975 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2018-10-25 00:04:29,975 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:29,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:29,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1641310418, now seen corresponding path program 1 times [2018-10-25 00:04:29,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:29,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:29,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:29,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:29,977 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-25 00:04:30,242 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:30,242 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:04:30,243 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-10-25 00:04:30,243 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:04:30,255 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:04:30,255 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:04:31,198 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:04:31,198 INFO L272 AbstractInterpreter]: Visited 139 different actions 559 times. Merged at 8 different actions 39 times. Widened at 1 different actions 2 times. Found 7 fixpoints after 4 different actions. Largest state had 42 variables. [2018-10-25 00:04:31,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:31,207 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:04:31,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:31,207 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:04:31,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:31,217 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:04:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:31,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:04:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-25 00:04:31,913 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:04:32,130 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-25 00:04:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-25 00:04:32,542 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:04:32,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-10-25 00:04:32,542 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:04:32,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-25 00:04:32,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-25 00:04:32,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-25 00:04:32,543 INFO L87 Difference]: Start difference. First operand 2123 states and 2722 transitions. Second operand 8 states. [2018-10-25 00:04:38,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:38,391 INFO L93 Difference]: Finished difference Result 7004 states and 9590 transitions. [2018-10-25 00:04:38,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-25 00:04:38,394 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 174 [2018-10-25 00:04:38,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:38,410 INFO L225 Difference]: With dead ends: 7004 [2018-10-25 00:04:38,411 INFO L226 Difference]: Without dead ends: 2993 [2018-10-25 00:04:38,432 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-10-25 00:04:38,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2018-10-25 00:04:38,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2936. [2018-10-25 00:04:38,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2936 states. [2018-10-25 00:04:38,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 2936 states and 3485 transitions. [2018-10-25 00:04:38,513 INFO L78 Accepts]: Start accepts. Automaton has 2936 states and 3485 transitions. Word has length 174 [2018-10-25 00:04:38,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:38,513 INFO L481 AbstractCegarLoop]: Abstraction has 2936 states and 3485 transitions. [2018-10-25 00:04:38,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-25 00:04:38,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2936 states and 3485 transitions. [2018-10-25 00:04:38,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-25 00:04:38,524 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:38,524 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:04:38,524 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:38,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:38,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1741067028, now seen corresponding path program 1 times [2018-10-25 00:04:38,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:38,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:38,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:38,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:38,527 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:39,041 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-25 00:04:39,261 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-25 00:04:39,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:39,262 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:04:39,262 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-10-25 00:04:39,263 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:04:39,271 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:04:39,272 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:04:39,835 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:04:39,835 INFO L272 AbstractInterpreter]: Visited 138 different actions 270 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-25 00:04:39,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:39,873 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:04:40,879 INFO L232 lantSequenceWeakener]: Weakened 137 states. On average, predicates are now at 81.04% of their original sizes. [2018-10-25 00:04:40,879 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:04:43,593 INFO L413 sIntCurrentIteration]: We have 200 unified AI predicates [2018-10-25 00:04:43,593 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:04:43,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:04:43,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-10-25 00:04:43,594 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:43,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-25 00:04:43,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-25 00:04:43,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2018-10-25 00:04:43,595 INFO L87 Difference]: Start difference. First operand 2936 states and 3485 transitions. Second operand 15 states. [2018-10-25 00:04:55,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:55,548 INFO L93 Difference]: Finished difference Result 6243 states and 7447 transitions. [2018-10-25 00:04:55,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-25 00:04:55,548 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 201 [2018-10-25 00:04:55,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:55,565 INFO L225 Difference]: With dead ends: 6243 [2018-10-25 00:04:55,565 INFO L226 Difference]: Without dead ends: 3587 [2018-10-25 00:04:55,574 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 207 GetRequests, 85 SyntacticMatches, 102 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 707 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2018-10-25 00:04:55,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3587 states. [2018-10-25 00:04:55,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3587 to 3443. [2018-10-25 00:04:55,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3443 states. [2018-10-25 00:04:55,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 3443 states and 4020 transitions. [2018-10-25 00:04:55,653 INFO L78 Accepts]: Start accepts. Automaton has 3443 states and 4020 transitions. Word has length 201 [2018-10-25 00:04:55,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:55,654 INFO L481 AbstractCegarLoop]: Abstraction has 3443 states and 4020 transitions. [2018-10-25 00:04:55,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-25 00:04:55,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3443 states and 4020 transitions. [2018-10-25 00:04:55,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-25 00:04:55,664 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:55,665 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:04:55,665 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:55,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:55,665 INFO L82 PathProgramCache]: Analyzing trace with hash -834727063, now seen corresponding path program 1 times [2018-10-25 00:04:55,665 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:55,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:55,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:55,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:55,667 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 76 proven. 30 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-25 00:04:55,906 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:55,906 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:04:55,907 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2018-10-25 00:04:55,907 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:04:55,910 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:04:55,911 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:04:56,946 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:04:56,947 INFO L272 AbstractInterpreter]: Visited 140 different actions 565 times. Merged at 9 different actions 41 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-25 00:04:56,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:56,953 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:04:56,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:56,953 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:04:56,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:56,964 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:04:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:57,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:04:57,145 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-25 00:04:57,145 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:04:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 82 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-25 00:04:57,286 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:04:57,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-10-25 00:04:57,286 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:04:57,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-25 00:04:57,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-25 00:04:57,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-10-25 00:04:57,289 INFO L87 Difference]: Start difference. First operand 3443 states and 4020 transitions. Second operand 11 states. [2018-10-25 00:05:00,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:00,299 INFO L93 Difference]: Finished difference Result 11139 states and 13938 transitions. [2018-10-25 00:05:00,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-25 00:05:00,300 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 210 [2018-10-25 00:05:00,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:00,338 INFO L225 Difference]: With dead ends: 11139 [2018-10-25 00:05:00,338 INFO L226 Difference]: Without dead ends: 8345 [2018-10-25 00:05:00,358 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 423 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-10-25 00:05:00,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8345 states. [2018-10-25 00:05:00,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8345 to 8315. [2018-10-25 00:05:00,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8315 states. [2018-10-25 00:05:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8315 states to 8315 states and 9985 transitions. [2018-10-25 00:05:00,577 INFO L78 Accepts]: Start accepts. Automaton has 8315 states and 9985 transitions. Word has length 210 [2018-10-25 00:05:00,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:00,577 INFO L481 AbstractCegarLoop]: Abstraction has 8315 states and 9985 transitions. [2018-10-25 00:05:00,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-25 00:05:00,577 INFO L276 IsEmpty]: Start isEmpty. Operand 8315 states and 9985 transitions. [2018-10-25 00:05:00,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-25 00:05:00,607 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:00,607 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:00,607 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:00,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:00,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1260821300, now seen corresponding path program 1 times [2018-10-25 00:05:00,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:00,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:00,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:00,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:00,609 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:01,522 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 98 proven. 51 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-25 00:05:01,523 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:01,523 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:05:01,523 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-10-25 00:05:01,523 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:05:01,526 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:05:01,526 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:05:02,792 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:05:02,792 INFO L272 AbstractInterpreter]: Visited 141 different actions 575 times. Merged at 10 different actions 47 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-25 00:05:02,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:02,799 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:05:02,800 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:02,800 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:05:02,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:02,808 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:05:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:02,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:05:03,035 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 122 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-25 00:05:03,035 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:05:03,206 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 104 proven. 20 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-25 00:05:03,227 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:05:03,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-10-25 00:05:03,228 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:05:03,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-25 00:05:03,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-25 00:05:03,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-10-25 00:05:03,229 INFO L87 Difference]: Start difference. First operand 8315 states and 9985 transitions. Second operand 12 states. [2018-10-25 00:05:09,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:09,061 INFO L93 Difference]: Finished difference Result 25574 states and 33119 transitions. [2018-10-25 00:05:09,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-10-25 00:05:09,062 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 230 [2018-10-25 00:05:09,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:09,157 INFO L225 Difference]: With dead ends: 25574 [2018-10-25 00:05:09,158 INFO L226 Difference]: Without dead ends: 17180 [2018-10-25 00:05:09,212 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 493 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 691 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=532, Invalid=2018, Unknown=0, NotChecked=0, Total=2550 [2018-10-25 00:05:09,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17180 states. [2018-10-25 00:05:09,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17180 to 16419. [2018-10-25 00:05:09,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16419 states. [2018-10-25 00:05:09,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16419 states to 16419 states and 20343 transitions. [2018-10-25 00:05:09,719 INFO L78 Accepts]: Start accepts. Automaton has 16419 states and 20343 transitions. Word has length 230 [2018-10-25 00:05:09,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:09,720 INFO L481 AbstractCegarLoop]: Abstraction has 16419 states and 20343 transitions. [2018-10-25 00:05:09,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-25 00:05:09,720 INFO L276 IsEmpty]: Start isEmpty. Operand 16419 states and 20343 transitions. [2018-10-25 00:05:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-10-25 00:05:09,781 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:09,781 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:09,781 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:09,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:09,782 INFO L82 PathProgramCache]: Analyzing trace with hash -824510028, now seen corresponding path program 1 times [2018-10-25 00:05:09,782 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:09,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:09,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:09,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:09,783 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 125 proven. 53 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-25 00:05:10,274 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:10,275 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:05:10,275 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-10-25 00:05:10,275 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:05:10,278 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:05:10,278 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:05:11,693 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:05:11,693 INFO L272 AbstractInterpreter]: Visited 141 different actions 716 times. Merged at 10 different actions 59 times. Widened at 1 different actions 8 times. Found 11 fixpoints after 4 different actions. Largest state had 42 variables. [2018-10-25 00:05:11,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:11,703 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:05:11,703 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:11,703 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:05:11,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:11,710 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:05:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:11,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:05:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-10-25 00:05:12,008 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:05:12,176 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-10-25 00:05:12,198 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:05:12,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-10-25 00:05:12,198 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:12,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:05:12,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:05:12,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:05:12,199 INFO L87 Difference]: Start difference. First operand 16419 states and 20343 transitions. Second operand 3 states. [2018-10-25 00:05:13,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:13,009 INFO L93 Difference]: Finished difference Result 28150 states and 34782 transitions. [2018-10-25 00:05:13,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:05:13,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2018-10-25 00:05:13,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:13,011 INFO L225 Difference]: With dead ends: 28150 [2018-10-25 00:05:13,011 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:05:13,071 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 478 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:05:13,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:05:13,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:05:13,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:05:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:05:13,073 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 239 [2018-10-25 00:05:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:13,073 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:05:13,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:05:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:05:13,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:05:13,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:05:13,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:13,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,255 WARN L179 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 196 [2018-10-25 00:05:14,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:14,785 WARN L179 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 159 [2018-10-25 00:05:15,849 WARN L179 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2018-10-25 00:05:18,501 WARN L179 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 142 DAG size of output: 86 [2018-10-25 00:05:23,058 WARN L179 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 429 DAG size of output: 154 [2018-10-25 00:05:24,170 WARN L179 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 221 DAG size of output: 114 [2018-10-25 00:05:25,215 WARN L179 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 188 DAG size of output: 116 [2018-10-25 00:05:25,218 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:05:25,218 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|)) [2018-10-25 00:05:25,219 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:05:25,219 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-25 00:05:25,219 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-25 00:05:25,219 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,219 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,219 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,219 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,220 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,220 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,220 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-25 00:05:25,220 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-25 00:05:25,220 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-25 00:05:25,220 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-25 00:05:25,220 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-25 00:05:25,220 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-25 00:05:25,220 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-25 00:05:25,221 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-25 00:05:25,221 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-25 00:05:25,221 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-25 00:05:25,221 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,221 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,221 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,221 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,221 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,221 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,221 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-25 00:05:25,222 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-25 00:05:25,222 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-25 00:05:25,222 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-25 00:05:25,222 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-25 00:05:25,222 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-25 00:05:25,222 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-25 00:05:25,222 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-25 00:05:25,222 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-25 00:05:25,222 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-25 00:05:25,222 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-25 00:05:25,222 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-25 00:05:25,222 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-25 00:05:25,222 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-25 00:05:25,223 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-10-25 00:05:25,223 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,223 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,223 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,223 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,223 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,223 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-25 00:05:25,223 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-25 00:05:25,223 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-25 00:05:25,223 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-25 00:05:25,223 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-25 00:05:25,223 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-25 00:05:25,224 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-25 00:05:25,224 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-25 00:05:25,224 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-25 00:05:25,224 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,224 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,224 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,224 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,224 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,224 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-25 00:05:25,224 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-25 00:05:25,225 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-25 00:05:25,225 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-25 00:05:25,225 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-25 00:05:25,225 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-25 00:05:25,225 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-25 00:05:25,225 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-25 00:05:25,225 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-25 00:05:25,225 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-25 00:05:25,225 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-25 00:05:25,225 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-25 00:05:25,226 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-25 00:05:25,226 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,226 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,226 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,226 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,226 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,226 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-25 00:05:25,226 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-25 00:05:25,226 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-25 00:05:25,227 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-25 00:05:25,227 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-25 00:05:25,227 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-25 00:05:25,227 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-25 00:05:25,227 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-25 00:05:25,227 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-25 00:05:25,227 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,227 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,227 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,228 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,228 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,228 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,228 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-25 00:05:25,228 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,228 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-25 00:05:25,228 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-25 00:05:25,228 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2018-10-25 00:05:25,228 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-25 00:05:25,229 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-25 00:05:25,229 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-25 00:05:25,229 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-25 00:05:25,229 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-25 00:05:25,229 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-25 00:05:25,229 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-25 00:05:25,229 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-25 00:05:25,229 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-25 00:05:25,229 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-25 00:05:25,229 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-25 00:05:25,230 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,230 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,230 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,230 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,230 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,230 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-25 00:05:25,230 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-25 00:05:25,230 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-25 00:05:25,230 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-25 00:05:25,230 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-25 00:05:25,231 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-25 00:05:25,231 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-25 00:05:25,231 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-25 00:05:25,231 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,231 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,231 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,231 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,231 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,231 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-25 00:05:25,231 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-25 00:05:25,232 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-25 00:05:25,232 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-25 00:05:25,232 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-25 00:05:25,232 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-25 00:05:25,232 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-25 00:05:25,232 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-25 00:05:25,232 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-25 00:05:25,232 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-25 00:05:25,233 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= 1 |old(~a17~0)|)) (.cse20 (= 1 |old(~a20~0)|))) (let ((.cse29 (not (= ~a16~0 0))) (.cse9 (= ~a21~0 1)) (.cse24 (not .cse20)) (.cse26 (= 0 |old(~a16~0)|)) (.cse22 (not (= 0 |old(~a7~0)|))) (.cse23 (not (= 1 |old(~a21~0)|))) (.cse25 (not (= 15 |old(~a8~0)|))) (.cse27 (not (= 8 ~a12~0))) (.cse28 (= |calculate_output_#in~input| 0)) (.cse30 (not .cse1)) (.cse17 (= ~a7~0 |old(~a7~0)|)) (.cse14 (= 1 ~a7~0)) (.cse15 (= |old(~a8~0)| ~a8~0)) (.cse18 (= |old(~a20~0)| ~a20~0)) (.cse19 (= ~a17~0 |old(~a17~0)|))) (let ((.cse3 (and .cse14 .cse15 .cse18 .cse19)) (.cse0 (and .cse17 .cse15 .cse18 .cse19)) (.cse6 (< 0 |old(~a17~0)|)) (.cse5 (not (= 1 |old(~a7~0)|))) (.cse2 (< |old(~a8~0)| 15)) (.cse21 (and .cse18 .cse19)) (.cse10 (= ~a16~0 5)) (.cse7 (not (= |old(~a20~0)| 1))) (.cse8 (or .cse22 .cse23 .cse25 (not (= 5 |old(~a16~0)|)) .cse27 .cse28 .cse30)) (.cse11 (= 6 |old(~a16~0)|)) (.cse12 (not (= ~a16~0 6))) (.cse4 (< 13 |old(~a8~0)|)) (.cse13 (or .cse23 .cse24 .cse26 .cse27 .cse28 (= 0 |old(~a8~0)|) .cse30)) (.cse16 (and .cse29 (not (= ~a8~0 0)) (= ~a17~0 1) (= ~a12~0 8) .cse9 (= ~a20~0 1) (not .cse28)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (< |old(~a20~0)| 1) .cse5 .cse6) (or .cse3 .cse7 .cse5 .cse6) (or .cse0 .cse2 (< 0 |old(~a20~0)|)) (or .cse8 (not (= 0 |old(~a20~0)|)) (and .cse9 .cse10)) (or .cse11 .cse12 .cse5 .cse2) (or .cse13 (and .cse14 .cse15 .cse16) .cse5) (or .cse11 (and .cse17 .cse15 .cse18 .cse19 .cse12) .cse6) (or .cse11 .cse20 .cse2 .cse0) (or (or .cse11 .cse13) (and .cse17 .cse15 .cse16 .cse12)) (or .cse11 .cse12 .cse20 .cse2) (or .cse11 .cse4 .cse21 .cse5) (or (or (or .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28) .cse6) (and .cse29 .cse9)) (or .cse5 (and .cse14 .cse15) .cse2) (or .cse21 .cse11 .cse4 .cse1 .cse20) (or .cse10 (or (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= 3 ~c~0)) .cse7 (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) .cse8) (or .cse11 .cse4 (and .cse17 .cse15 .cse12)) (or .cse4 .cse13 (and .cse17 .cse15 .cse16)))))) [2018-10-25 00:05:25,233 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-25 00:05:25,233 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,233 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,233 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,233 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,234 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-25 00:05:25,234 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,234 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,234 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-25 00:05:25,234 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-25 00:05:25,234 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-25 00:05:25,234 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-25 00:05:25,234 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-25 00:05:25,234 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-25 00:05:25,234 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-25 00:05:25,235 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-25 00:05:25,235 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-25 00:05:25,235 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-25 00:05:25,235 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-25 00:05:25,235 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-25 00:05:25,235 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,235 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,235 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,235 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,236 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,236 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-25 00:05:25,236 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,236 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-25 00:05:25,236 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-25 00:05:25,236 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-25 00:05:25,236 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-25 00:05:25,236 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-25 00:05:25,236 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-25 00:05:25,237 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-25 00:05:25,237 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-25 00:05:25,237 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-25 00:05:25,237 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-25 00:05:25,237 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-25 00:05:25,237 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-25 00:05:25,237 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-25 00:05:25,237 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-25 00:05:25,237 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,238 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,238 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,238 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,238 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,238 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:05:25,238 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-25 00:05:25,238 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-25 00:05:25,238 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-25 00:05:25,238 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-25 00:05:25,238 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-25 00:05:25,239 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-25 00:05:25,239 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-25 00:05:25,239 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-25 00:05:25,239 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-25 00:05:25,239 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-25 00:05:25,239 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:05:25,239 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~a8~0 15) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-10-25 00:05:25,239 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:05:25,240 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:05:25,240 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= ~a21~0 1) (= |old(~a8~0)| ~a8~0) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-25 00:05:25,240 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-10-25 00:05:25,240 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse12 (= ~a20~0 1)) (.cse10 (= ~a17~0 1))) (let ((.cse3 (not .cse10)) (.cse1 (not .cse12)) (.cse4 (<= 15 ~a8~0)) (.cse0 (<= ~a8~0 13)) (.cse7 (= 1 ~a7~0)) (.cse5 (<= ~a17~0 0)) (.cse6 (not (= ~a16~0 0))) (.cse8 (not (= main_~input~0 0))) (.cse9 (not (= ~a8~0 0))) (.cse11 (= ~a21~0 1)) (.cse2 (not (= ~a16~0 6)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= ~a20~0 0)) (and .cse4 .cse3) (and .cse2 .cse5) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (and .cse0 .cse7 .cse5 (<= 1 ~a20~0)) (and .cse0 (= ~a7~0 |old(~a7~0)|) .cse2) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse1 .cse4 .cse2) (and (<= ~a8~0 |old(~a8~0)|) .cse7 .cse4) (and .cse0 .cse7 .cse2) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse0 .cse6 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse7 (= |old(~a20~0)| ~a20~0) .cse5) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0)) (and .cse6 .cse8 .cse9 .cse10 .cse11 .cse2 .cse12)))) [2018-10-25 00:05:25,240 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-10-25 00:05:25,240 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-25 00:05:25,241 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-25 00:05:25,241 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse8 (= ~a12~0 8)) (.cse10 (= ~a20~0 1)) (.cse9 (= ~a17~0 1))) (let ((.cse3 (not .cse9)) (.cse1 (not .cse10)) (.cse4 (<= 15 ~a8~0)) (.cse0 (<= ~a8~0 13)) (.cse6 (= 1 ~a7~0)) (.cse5 (<= ~a17~0 0)) (.cse7 (and (not (= ~a16~0 0)) (not (= ~a8~0 0)) .cse9 .cse8 (= ~a21~0 1) .cse10)) (.cse2 (not (= ~a16~0 6)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= ~a20~0 0)) (and .cse4 .cse3) (and .cse2 .cse5) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (and .cse0 .cse6 .cse5 (<= 1 ~a20~0)) (and .cse0 (= ~a7~0 |old(~a7~0)|) .cse2) (not (= ~x~0 24)) (and .cse0 .cse7) (not .cse8) (not (= ~e~0 5)) (and .cse6 .cse7) (not (= ~d~0 4)) (and .cse1 .cse4 .cse2) (and (<= ~a8~0 |old(~a8~0)|) .cse6 .cse4) (and .cse0 .cse6 .cse2) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse6 (= |old(~a20~0)| ~a20~0) .cse5) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (and .cse7 .cse2) (not (= 0 |old(~a7~0)|)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))))) [2018-10-25 00:05:25,241 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-10-25 00:05:25,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:05:25 BoogieIcfgContainer [2018-10-25 00:05:25,268 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:05:25,269 INFO L168 Benchmark]: Toolchain (without parser) took 104759.79 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 39.8 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-25 00:05:25,270 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-10-25 00:05:25,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:25,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 220.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.7 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:25,277 INFO L168 Benchmark]: Boogie Preprocessor took 83.81 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:05:25,278 INFO L168 Benchmark]: RCFGBuilder took 3051.97 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:25,279 INFO L168 Benchmark]: TraceAbstraction took 100748.59 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 1.4 GB in the end (delta: 721.5 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-25 00:05:25,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 647.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 220.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.7 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.81 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3051.97 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 100748.59 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 1.4 GB in the end (delta: 721.5 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 554]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((a8 <= 13 && !(a20 == 1)) && !(a16 == 6)) && !(a17 == 1)) || (15 <= a8 && a20 <= 0)) || (15 <= a8 && !(a17 == 1))) || (!(a16 == 6) && a17 <= 0)) || !(\old(a21) == 1)) || !(b == 2)) || !(y == 25)) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 <= a20)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || !(x == 24)) || (a8 <= 13 && ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || !(a12 == 8)) || !(e == 5)) || (1 == a7 && ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || !(d == 4)) || ((!(a20 == 1) && 15 <= a8) && !(a16 == 6))) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || ((a8 <= 13 && 1 == a7) && !(a16 == 6))) || !(21 == u)) || !(22 == v)) || ((1 == a7 && \old(a20) == a20) && a17 <= 0)) || !(z == 26)) || !(\old(a16) == 5)) || ((((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && !(a16 == 6))) || !(0 == \old(a7))) || !(3 == c)) || !(\old(a20) == 1)) || !(23 == w)) || !(a == 1)) || !(\old(a17) == 1)) || !(\old(a8) == 15)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 100.6s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 63.7s AutomataDifference, 0.0s DeadEndRemovalTime, 12.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1411 SDtfs, 11512 SDslu, 2341 SDs, 0 SdLazy, 19447 SolverSat, 2770 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2569 GetRequests, 2220 SyntacticMatches, 179 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2311 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16419occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.2s AbstIntTime, 8 AbstIntIterations, 4 AbstIntStrong, 0.9976580042160228 AbsIntWeakeningRatio, 0.2098950524737631 AbsIntAvgWeakeningVarsNumRemoved, 7.7211394302848575 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 1054 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 464 PreInvPairs, 894 NumberOfFragments, 1300 HoareAnnotationTreeSize, 464 FomulaSimplifications, 27054 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12453 FormulaSimplificationTreeSizeReductionInter, 10.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 2653 NumberOfCodeBlocks, 2653 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3488 ConstructedInterpolants, 0 QuantifiedInterpolants, 1372525 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2466 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 18 InterpolantComputations, 4 PerfectInterpolantSequences, 1750/1974 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...