java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label03_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 19:59:37,480 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 19:59:37,482 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 19:59:37,499 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 19:59:37,499 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 19:59:37,501 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 19:59:37,502 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 19:59:37,504 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 19:59:37,507 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 19:59:37,507 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 19:59:37,509 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 19:59:37,510 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 19:59:37,512 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 19:59:37,514 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 19:59:37,515 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 19:59:37,518 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 19:59:37,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 19:59:37,523 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 19:59:37,533 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 19:59:37,535 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 19:59:37,538 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 19:59:37,540 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 19:59:37,545 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 19:59:37,545 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 19:59:37,545 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 19:59:37,549 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 19:59:37,550 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 19:59:37,550 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 19:59:37,553 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 19:59:37,554 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 19:59:37,554 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 19:59:37,555 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 19:59:37,555 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 19:59:37,555 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 19:59:37,557 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 19:59:37,557 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 19:59:37,558 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 19:59:37,577 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 19:59:37,577 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 19:59:37,578 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 19:59:37,578 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 19:59:37,578 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 19:59:37,579 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 19:59:37,579 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 19:59:37,579 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 19:59:37,579 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 19:59:37,579 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 19:59:37,580 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 19:59:37,580 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 19:59:37,580 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 19:59:37,581 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 19:59:37,581 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 19:59:37,581 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 19:59:37,581 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 19:59:37,582 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 19:59:37,582 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 19:59:37,582 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 19:59:37,582 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 19:59:37,582 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 19:59:37,583 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 19:59:37,583 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 19:59:37,583 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 19:59:37,583 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 19:59:37,583 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 19:59:37,584 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 19:59:37,584 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 19:59:37,584 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 19:59:37,584 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 19:59:37,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 19:59:37,585 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 19:59:37,585 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 19:59:37,585 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 19:59:37,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 19:59:37,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 19:59:37,669 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 19:59:37,671 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 19:59:37,671 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 19:59:37,673 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label03_true-unreach-call.c [2018-11-07 19:59:37,737 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ac191fc1/1d080e52a14143e1ba19bd33bfa21e2a/FLAGe26235146 [2018-11-07 19:59:38,374 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 19:59:38,375 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label03_true-unreach-call.c [2018-11-07 19:59:38,394 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ac191fc1/1d080e52a14143e1ba19bd33bfa21e2a/FLAGe26235146 [2018-11-07 19:59:38,409 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ac191fc1/1d080e52a14143e1ba19bd33bfa21e2a [2018-11-07 19:59:38,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 19:59:38,425 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 19:59:38,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 19:59:38,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 19:59:38,431 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 19:59:38,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:59:38" (1/1) ... [2018-11-07 19:59:38,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f099800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:38, skipping insertion in model container [2018-11-07 19:59:38,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:59:38" (1/1) ... [2018-11-07 19:59:38,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 19:59:38,520 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 19:59:38,942 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 19:59:38,947 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 19:59:39,103 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 19:59:39,126 INFO L193 MainTranslator]: Completed translation [2018-11-07 19:59:39,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:39 WrapperNode [2018-11-07 19:59:39,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 19:59:39,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 19:59:39,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 19:59:39,128 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 19:59:39,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:39" (1/1) ... [2018-11-07 19:59:39,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:39" (1/1) ... [2018-11-07 19:59:39,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 19:59:39,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 19:59:39,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 19:59:39,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 19:59:39,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:39" (1/1) ... [2018-11-07 19:59:39,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:39" (1/1) ... [2018-11-07 19:59:39,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:39" (1/1) ... [2018-11-07 19:59:39,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:39" (1/1) ... [2018-11-07 19:59:39,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:39" (1/1) ... [2018-11-07 19:59:39,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:39" (1/1) ... [2018-11-07 19:59:39,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:39" (1/1) ... [2018-11-07 19:59:39,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 19:59:39,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 19:59:39,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 19:59:39,367 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 19:59:39,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 19:59:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 19:59:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 19:59:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 19:59:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 19:59:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 19:59:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 19:59:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 19:59:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 19:59:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 19:59:42,547 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 19:59:42,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:59:42 BoogieIcfgContainer [2018-11-07 19:59:42,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 19:59:42,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 19:59:42,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 19:59:42,553 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 19:59:42,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:59:38" (1/3) ... [2018-11-07 19:59:42,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5d5489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:59:42, skipping insertion in model container [2018-11-07 19:59:42,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:59:39" (2/3) ... [2018-11-07 19:59:42,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5d5489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:59:42, skipping insertion in model container [2018-11-07 19:59:42,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:59:42" (3/3) ... [2018-11-07 19:59:42,557 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label03_true-unreach-call.c [2018-11-07 19:59:42,567 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 19:59:42,576 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 19:59:42,591 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 19:59:42,630 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 19:59:42,630 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 19:59:42,630 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 19:59:42,631 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 19:59:42,631 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 19:59:42,631 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 19:59:42,631 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 19:59:42,632 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 19:59:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 19:59:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-07 19:59:42,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 19:59:42,672 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] [2018-11-07 19:59:42,674 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 19:59:42,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 19:59:42,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1405656705, now seen corresponding path program 1 times [2018-11-07 19:59:42,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 19:59:42,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 19:59:42,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 19:59:42,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 19:59:42,738 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 19:59:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 19:59:43,193 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 5 [2018-11-07 19:59:43,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 19:59:43,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 19:59:43,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 19:59:43,212 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 19:59:43,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 19:59:43,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 19:59:43,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 19:59:43,239 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2018-11-07 19:59:45,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 19:59:45,538 INFO L93 Difference]: Finished difference Result 737 states and 1298 transitions. [2018-11-07 19:59:45,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 19:59:45,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-11-07 19:59:45,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 19:59:45,562 INFO L225 Difference]: With dead ends: 737 [2018-11-07 19:59:45,562 INFO L226 Difference]: Without dead ends: 515 [2018-11-07 19:59:45,571 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 19:59:45,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-11-07 19:59:45,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 356. [2018-11-07 19:59:45,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 19:59:45,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 613 transitions. [2018-11-07 19:59:45,663 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 613 transitions. Word has length 43 [2018-11-07 19:59:45,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 19:59:45,663 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 613 transitions. [2018-11-07 19:59:45,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 19:59:45,664 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 613 transitions. [2018-11-07 19:59:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-07 19:59:45,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 19:59:45,671 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 19:59:45,671 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 19:59:45,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 19:59:45,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1018978157, now seen corresponding path program 1 times [2018-11-07 19:59:45,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 19:59:45,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 19:59:45,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 19:59:45,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 19:59:45,674 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 19:59:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 19:59:45,931 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 19:59:45,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 19:59:45,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 19:59:45,932 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 19:59:45,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 19:59:45,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 19:59:45,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 19:59:45,937 INFO L87 Difference]: Start difference. First operand 356 states and 613 transitions. Second operand 4 states. [2018-11-07 19:59:47,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 19:59:47,588 INFO L93 Difference]: Finished difference Result 1282 states and 2343 transitions. [2018-11-07 19:59:47,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 19:59:47,592 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2018-11-07 19:59:47,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 19:59:47,602 INFO L225 Difference]: With dead ends: 1282 [2018-11-07 19:59:47,602 INFO L226 Difference]: Without dead ends: 932 [2018-11-07 19:59:47,607 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 19:59:47,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2018-11-07 19:59:47,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 932. [2018-11-07 19:59:47,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-11-07 19:59:47,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1438 transitions. [2018-11-07 19:59:47,668 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1438 transitions. Word has length 114 [2018-11-07 19:59:47,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 19:59:47,669 INFO L480 AbstractCegarLoop]: Abstraction has 932 states and 1438 transitions. [2018-11-07 19:59:47,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 19:59:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1438 transitions. [2018-11-07 19:59:47,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-07 19:59:47,687 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 19:59:47,688 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 19:59:47,688 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 19:59:47,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 19:59:47,690 INFO L82 PathProgramCache]: Analyzing trace with hash 671547815, now seen corresponding path program 1 times [2018-11-07 19:59:47,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 19:59:47,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 19:59:47,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 19:59:47,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 19:59:47,693 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 19:59:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 19:59:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 19:59:48,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 19:59:48,112 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 19:59:48,113 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-07 19:59:48,115 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [730], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 19:59:48,181 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 19:59:48,182 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 19:59:48,900 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 19:59:48,902 INFO L272 AbstractInterpreter]: Visited 133 different actions 133 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 19:59:48,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 19:59:48,945 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 19:59:49,370 INFO L227 lantSequenceWeakener]: Weakened 166 states. On average, predicates are now at 73.25% of their original sizes. [2018-11-07 19:59:49,371 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 19:59:49,624 INFO L415 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2018-11-07 19:59:49,625 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 19:59:49,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 19:59:49,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2018-11-07 19:59:49,626 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 19:59:49,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 19:59:49,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 19:59:49,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 19:59:49,630 INFO L87 Difference]: Start difference. First operand 932 states and 1438 transitions. Second operand 7 states. [2018-11-07 19:59:51,420 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 19:59:57,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 19:59:57,553 INFO L93 Difference]: Finished difference Result 2004 states and 3111 transitions. [2018-11-07 19:59:57,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 19:59:57,553 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2018-11-07 19:59:57,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 19:59:57,561 INFO L225 Difference]: With dead ends: 2004 [2018-11-07 19:59:57,561 INFO L226 Difference]: Without dead ends: 1078 [2018-11-07 19:59:57,566 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-07 19:59:57,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2018-11-07 19:59:57,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1076. [2018-11-07 19:59:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1076 states. [2018-11-07 19:59:57,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1590 transitions. [2018-11-07 19:59:57,603 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1590 transitions. Word has length 172 [2018-11-07 19:59:57,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 19:59:57,604 INFO L480 AbstractCegarLoop]: Abstraction has 1076 states and 1590 transitions. [2018-11-07 19:59:57,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 19:59:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1590 transitions. [2018-11-07 19:59:57,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-07 19:59:57,610 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 19:59:57,611 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 19:59:57,611 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 19:59:57,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 19:59:57,611 INFO L82 PathProgramCache]: Analyzing trace with hash 254914584, now seen corresponding path program 1 times [2018-11-07 19:59:57,612 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 19:59:57,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 19:59:57,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 19:59:57,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 19:59:57,613 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 19:59:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 19:59:58,046 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 19:59:58,222 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 19:59:58,686 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-07 19:59:58,936 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 19:59:58,936 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 19:59:58,936 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 19:59:58,936 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-11-07 19:59:58,937 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 19:59:58,941 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 19:59:58,942 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 19:59:59,030 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 19:59:59,729 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 19:59:59,729 INFO L272 AbstractInterpreter]: Visited 103 different actions 588 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 19:59:59,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 19:59:59,768 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:00:00,087 INFO L227 lantSequenceWeakener]: Weakened 215 states. On average, predicates are now at 73.19% of their original sizes. [2018-11-07 20:00:00,087 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:00:00,879 INFO L415 sIntCurrentIteration]: We unified 217 AI predicates to 217 [2018-11-07 20:00:00,880 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:00:00,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:00:00,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2018-11-07 20:00:00,880 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:00:00,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 20:00:00,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 20:00:00,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 20:00:00,882 INFO L87 Difference]: Start difference. First operand 1076 states and 1590 transitions. Second operand 10 states. [2018-11-07 20:00:10,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:00:10,921 INFO L93 Difference]: Finished difference Result 2836 states and 4359 transitions. [2018-11-07 20:00:10,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 20:00:10,923 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 218 [2018-11-07 20:00:10,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:00:10,941 INFO L225 Difference]: With dead ends: 2836 [2018-11-07 20:00:10,941 INFO L226 Difference]: Without dead ends: 1910 [2018-11-07 20:00:10,950 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 225 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-07 20:00:10,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1910 states. [2018-11-07 20:00:11,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1910 to 1891. [2018-11-07 20:00:11,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1891 states. [2018-11-07 20:00:11,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 2608 transitions. [2018-11-07 20:00:11,017 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 2608 transitions. Word has length 218 [2018-11-07 20:00:11,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:00:11,018 INFO L480 AbstractCegarLoop]: Abstraction has 1891 states and 2608 transitions. [2018-11-07 20:00:11,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 20:00:11,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2608 transitions. [2018-11-07 20:00:11,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-07 20:00:11,026 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:00:11,026 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:00:11,027 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:00:11,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:00:11,027 INFO L82 PathProgramCache]: Analyzing trace with hash 342065064, now seen corresponding path program 1 times [2018-11-07 20:00:11,027 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:00:11,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:00:11,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:00:11,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:00:11,029 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:00:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:00:11,339 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:00:11,689 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-07 20:00:11,690 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:00:11,690 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:00:11,690 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-11-07 20:00:11,691 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [626], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:00:11,694 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:00:11,695 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:00:11,755 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:00:12,241 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:00:12,241 INFO L272 AbstractInterpreter]: Visited 111 different actions 654 times. Merged at 7 different actions 43 times. Widened at 1 different actions 2 times. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 20:00:12,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:00:12,277 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:00:12,589 INFO L227 lantSequenceWeakener]: Weakened 223 states. On average, predicates are now at 73.2% of their original sizes. [2018-11-07 20:00:12,589 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:00:12,941 INFO L415 sIntCurrentIteration]: We unified 225 AI predicates to 225 [2018-11-07 20:00:12,941 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:00:12,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:00:12,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2018-11-07 20:00:12,942 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:00:12,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 20:00:12,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 20:00:12,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 20:00:12,944 INFO L87 Difference]: Start difference. First operand 1891 states and 2608 transitions. Second operand 11 states. [2018-11-07 20:00:23,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:00:23,467 INFO L93 Difference]: Finished difference Result 5400 states and 7870 transitions. [2018-11-07 20:00:23,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 20:00:23,468 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 226 [2018-11-07 20:00:23,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:00:23,490 INFO L225 Difference]: With dead ends: 5400 [2018-11-07 20:00:23,490 INFO L226 Difference]: Without dead ends: 3659 [2018-11-07 20:00:23,507 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 236 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2018-11-07 20:00:23,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3659 states. [2018-11-07 20:00:23,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3659 to 3623. [2018-11-07 20:00:23,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3623 states. [2018-11-07 20:00:23,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3623 states and 4771 transitions. [2018-11-07 20:00:23,611 INFO L78 Accepts]: Start accepts. Automaton has 3623 states and 4771 transitions. Word has length 226 [2018-11-07 20:00:23,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:00:23,612 INFO L480 AbstractCegarLoop]: Abstraction has 3623 states and 4771 transitions. [2018-11-07 20:00:23,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 20:00:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3623 states and 4771 transitions. [2018-11-07 20:00:23,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-07 20:00:23,626 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:00:23,626 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:00:23,626 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:00:23,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:00:23,627 INFO L82 PathProgramCache]: Analyzing trace with hash -544503280, now seen corresponding path program 1 times [2018-11-07 20:00:23,627 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:00:23,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:00:23,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:00:23,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:00:23,628 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:00:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:00:23,918 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:00:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 73 proven. 25 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-07 20:00:24,177 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:00:24,177 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:00:24,177 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 255 with the following transitions: [2018-11-07 20:00:24,178 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:00:24,181 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:00:24,181 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:00:24,285 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:00:24,374 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:00:24,375 INFO L272 AbstractInterpreter]: Visited 124 different actions 244 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:00:24,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:00:24,383 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:00:24,764 INFO L227 lantSequenceWeakener]: Weakened 66 states. On average, predicates are now at 76.69% of their original sizes. [2018-11-07 20:00:24,764 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:00:25,658 INFO L415 sIntCurrentIteration]: We unified 253 AI predicates to 253 [2018-11-07 20:00:25,658 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:00:25,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:00:25,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [6] total 27 [2018-11-07 20:00:25,659 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:00:25,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-07 20:00:25,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-07 20:00:25,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2018-11-07 20:00:25,661 INFO L87 Difference]: Start difference. First operand 3623 states and 4771 transitions. Second operand 23 states. [2018-11-07 20:00:49,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:00:49,368 INFO L93 Difference]: Finished difference Result 9252 states and 12728 transitions. [2018-11-07 20:00:49,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-07 20:00:49,368 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 254 [2018-11-07 20:00:49,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:00:49,400 INFO L225 Difference]: With dead ends: 9252 [2018-11-07 20:00:49,400 INFO L226 Difference]: Without dead ends: 5779 [2018-11-07 20:00:49,424 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 278 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=417, Invalid=1839, Unknown=0, NotChecked=0, Total=2256 [2018-11-07 20:00:49,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5779 states. [2018-11-07 20:00:49,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5779 to 5439. [2018-11-07 20:00:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5439 states. [2018-11-07 20:00:49,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 5439 states and 6920 transitions. [2018-11-07 20:00:49,586 INFO L78 Accepts]: Start accepts. Automaton has 5439 states and 6920 transitions. Word has length 254 [2018-11-07 20:00:49,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:00:49,587 INFO L480 AbstractCegarLoop]: Abstraction has 5439 states and 6920 transitions. [2018-11-07 20:00:49,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-07 20:00:49,587 INFO L276 IsEmpty]: Start isEmpty. Operand 5439 states and 6920 transitions. [2018-11-07 20:00:49,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-11-07 20:00:49,613 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:00:49,614 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:00:49,614 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:00:49,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:00:49,615 INFO L82 PathProgramCache]: Analyzing trace with hash 943245088, now seen corresponding path program 1 times [2018-11-07 20:00:49,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:00:49,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:00:49,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:00:49,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:00:49,616 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:00:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:00:50,045 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 240 proven. 34 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-07 20:00:50,046 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:00:50,046 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:00:50,046 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 328 with the following transitions: [2018-11-07 20:00:50,047 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [245], [247], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:00:50,051 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:00:50,051 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:00:50,162 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:00:50,379 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:00:50,379 INFO L272 AbstractInterpreter]: Visited 125 different actions 374 times. Merged at 8 different actions 21 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 20:00:50,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:00:50,383 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:00:50,732 INFO L227 lantSequenceWeakener]: Weakened 324 states. On average, predicates are now at 75.36% of their original sizes. [2018-11-07 20:00:50,732 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:00:50,820 INFO L415 sIntCurrentIteration]: We unified 326 AI predicates to 326 [2018-11-07 20:00:50,820 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:00:50,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:00:50,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-07 20:00:50,821 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:00:50,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 20:00:50,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 20:00:50,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 20:00:50,822 INFO L87 Difference]: Start difference. First operand 5439 states and 6920 transitions. Second operand 10 states. [2018-11-07 20:00:56,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:00:56,114 INFO L93 Difference]: Finished difference Result 11038 states and 14280 transitions. [2018-11-07 20:00:56,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 20:00:56,114 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 327 [2018-11-07 20:00:56,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:00:56,115 INFO L225 Difference]: With dead ends: 11038 [2018-11-07 20:00:56,115 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 20:00:56,148 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 334 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-07 20:00:56,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 20:00:56,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 20:00:56,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 20:00:56,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 20:00:56,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 327 [2018-11-07 20:00:56,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:00:56,152 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 20:00:56,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 20:00:56,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 20:00:56,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 20:00:56,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 20:00:57,028 WARN L179 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 29 [2018-11-07 20:00:57,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:00:57,606 WARN L179 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-11-07 20:00:57,982 WARN L179 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2018-11-07 20:00:59,615 WARN L179 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 228 DAG size of output: 127 [2018-11-07 20:00:59,781 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2018-11-07 20:00:59,881 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:00:59,881 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-07 20:00:59,881 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:00:59,881 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 20:00:59,881 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,881 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,882 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,882 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,882 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,882 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,882 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 20:00:59,882 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 20:00:59,882 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 20:00:59,883 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 20:00:59,883 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 20:00:59,883 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 20:00:59,883 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 20:00:59,883 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 20:00:59,883 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 20:00:59,883 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 20:00:59,883 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 20:00:59,884 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,884 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,884 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,884 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,884 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,884 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 20:00:59,884 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 20:00:59,884 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 20:00:59,885 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 20:00:59,885 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 20:00:59,885 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 20:00:59,885 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 20:00:59,885 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 20:00:59,885 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 20:00:59,885 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 20:00:59,885 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 20:00:59,886 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 20:00:59,886 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 20:00:59,886 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 20:00:59,886 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,886 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,886 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,886 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,886 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,887 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 20:00:59,887 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 20:00:59,887 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 20:00:59,887 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 20:00:59,887 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 20:00:59,887 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 20:00:59,887 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 20:00:59,887 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 20:00:59,887 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 20:00:59,888 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 20:00:59,888 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,888 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,888 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,888 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,888 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,888 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 20:00:59,888 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 20:00:59,889 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 20:00:59,889 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 20:00:59,889 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 20:00:59,889 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 20:00:59,889 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 20:00:59,889 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 20:00:59,889 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 20:00:59,889 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 20:00:59,889 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 20:00:59,890 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 20:00:59,890 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 20:00:59,890 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,890 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,890 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,890 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,890 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,890 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 20:00:59,890 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 20:00:59,891 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 20:00:59,891 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 20:00:59,891 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 20:00:59,891 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 20:00:59,891 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 20:00:59,891 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 20:00:59,891 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 20:00:59,891 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,891 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,892 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,892 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,892 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,892 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,892 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,892 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 20:00:59,892 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 20:00:59,892 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 20:00:59,893 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 20:00:59,893 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 20:00:59,893 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 20:00:59,893 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 20:00:59,893 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 20:00:59,893 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 20:00:59,893 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 20:00:59,893 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 20:00:59,893 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 20:00:59,894 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 20:00:59,894 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,894 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,894 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,894 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,894 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,894 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 20:00:59,894 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,895 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 20:00:59,895 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 20:00:59,895 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 20:00:59,895 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 20:00:59,895 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 20:00:59,895 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 20:00:59,895 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 20:00:59,895 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 20:00:59,896 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 20:00:59,896 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 20:00:59,896 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 20:00:59,896 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 20:00:59,896 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 20:00:59,896 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,896 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,896 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,896 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,897 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,897 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,897 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 20:00:59,897 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 20:00:59,897 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 20:00:59,897 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 20:00:59,897 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 20:00:59,897 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 20:00:59,897 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 20:00:59,897 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 20:00:59,899 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 20:00:59,899 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 20:00:59,899 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 20:00:59,900 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse10 (= 1 |old(~a10~0)|))) (let ((.cse17 (< 10 |old(~a19~0)|)) (.cse6 (< |old(~a10~0)| 0)) (.cse8 (< 1 |old(~a10~0)|)) (.cse23 (not .cse10)) (.cse3 (not (= 14 ~a4~0))) (.cse5 (not (= 0 ~a12~0))) (.cse9 (not (= 9 |old(~a19~0)|))) (.cse12 (= ~a10~0 1)) (.cse7 (= ~a19~0 9))) (let ((.cse14 (<= ~a19~0 10)) (.cse4 (<= 0 ~a10~0)) (.cse15 (<= ~a10~0 1)) (.cse0 (<= (+ |old(~a1~0)| 13) 0)) (.cse19 (or (and .cse7 (= ~a10~0 0) (= ~a1~0 23)) (and .cse12 .cse7))) (.cse20 (and (or .cse3 .cse5 .cse9 (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) (or .cse23 .cse3 .cse5 .cse9))) (.cse1 (< 6 |calculate_output_#in~input|)) (.cse2 (< |calculate_output_#in~input| 2)) (.cse16 (let ((.cse21 (< 2147483647 |old(~a1~0)|)) (.cse22 (< (+ |old(~a1~0)| 2147483648) 0))) (and (or .cse21 .cse22 .cse3 .cse5 .cse17 .cse6 .cse8) (or (not (= 0 (mod |old(~a19~0)| 2))) .cse23 .cse21 (< 14 |old(~a19~0)|) .cse22 .cse3 .cse5)))) (.cse11 (<= ~a1~0 2147483647)) (.cse18 (< |old(~a19~0)| 9))) (and (or .cse0 (< 0 (+ ~a1~0 13))) (or .cse1 (< |old(~a1~0)| 23) .cse2 .cse3 (< 600149 |old(~a1~0)|) (< 9 |old(~a19~0)|) (< 2 |old(~a10~0)|) (< |old(~a19~0)| 7) (and (<= 23 ~a1~0) (<= 7 ~a19~0) (<= ~a19~0 9) (<= ~a10~0 2) .cse4 (<= ~a1~0 600149)) .cse5 .cse6) (or .cse1 .cse7 .cse2 .cse3 .cse8 .cse5 .cse6 .cse9 .cse10) (or .cse1 .cse0 .cse2 (and (<= ~a19~0 14) .cse4 (let ((.cse13 (<= 8 ~a19~0))) (or (and .cse11 .cse12 (= (mod ~a19~0 2) 0) .cse13) (and .cse11 .cse14 .cse13))) .cse15) .cse16 (< |old(~a19~0)| 8)) (or .cse1 (and .cse14 .cse4 (<= 9 ~a19~0) .cse15) .cse2 .cse3 .cse5 .cse17 .cse6 .cse8 .cse18) (or .cse1 .cse0 .cse2 .cse19 .cse20) (or (= 2 ~a10~0) (not (= 2 |old(~a10~0)|))) (or .cse19 (or .cse1 .cse16 .cse20) .cse2) (or .cse1 .cse2 .cse17 .cse16 (and .cse11 (<= 0 (+ ~a1~0 2147483648))) .cse18) (or (not (= 1 ~a10~0)) .cse10))))) [2018-11-07 20:00:59,900 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 20:00:59,900 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 20:00:59,900 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 20:00:59,900 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,900 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,901 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,901 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,901 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,901 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,901 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 20:00:59,901 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 20:00:59,901 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 20:00:59,901 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 20:00:59,901 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 20:00:59,901 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 20:00:59,902 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 20:00:59,902 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 20:00:59,902 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 20:00:59,902 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 20:00:59,902 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 20:00:59,902 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 20:00:59,902 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 20:00:59,902 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,903 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,903 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,903 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,903 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,903 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,903 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 20:00:59,903 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 20:00:59,903 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 20:00:59,903 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 20:00:59,903 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 20:00:59,903 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 20:00:59,903 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 20:00:59,904 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 20:00:59,904 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 20:00:59,904 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 20:00:59,904 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 20:00:59,904 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 20:00:59,904 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,904 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,904 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,904 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,905 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,905 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:00:59,905 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 20:00:59,905 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 20:00:59,905 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2018-11-07 20:00:59,905 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 20:00:59,905 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 20:00:59,905 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 20:00:59,905 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 20:00:59,906 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 20:00:59,906 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 20:00:59,906 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 20:00:59,906 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 20:00:59,906 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 20:00:59,906 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 20:00:59,906 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:00:59,906 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~inputF~0 6) (= ~inputC~0 3) (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~inputB~0 2) (= ~a1~0 23) (= ~inputE~0 5) (= ~a4~0 14) (= ~inputD~0 4)) [2018-11-07 20:00:59,906 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 20:00:59,906 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:00:59,906 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= ~inputE~0 5)) (and (= ~a19~0 9) (= ~a10~0 0) (= ~a1~0 23)) (not (= 3 ~inputC~0)) (not (= |old(~a1~0)| 23)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 4 ~inputD~0)) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6))) [2018-11-07 20:00:59,907 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:00:59,907 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (not (= 1 ~a10~0)) (not (= |old(~a1~0)| 23)) (not (= 0 ~a12~0)) (< 0 (+ ~a1~0 13)) (not (= 4 ~inputD~0)) (and (<= ~a19~0 10) (<= main_~input~0 6) (<= 2 main_~input~0) (<= 9 ~a19~0)) (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6))) [2018-11-07 20:00:59,907 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 20:00:59,907 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 20:00:59,907 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 20:00:59,907 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (or (and (<= ~a19~0 10) (<= 9 ~a19~0)) (not (= 1 ~a10~0)) (not (= |old(~a1~0)| 23)) (not (= 0 ~a12~0)) (< 0 (+ ~a1~0 13)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6))) [2018-11-07 20:00:59,907 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:00:59,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:00:59 BoogieIcfgContainer [2018-11-07 20:00:59,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 20:00:59,919 INFO L168 Benchmark]: Toolchain (without parser) took 81496.08 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-11-07 20:00:59,920 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 20:00:59,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 20:00:59,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.72 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -831.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-07 20:00:59,922 INFO L168 Benchmark]: Boogie Preprocessor took 101.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2018-11-07 20:00:59,923 INFO L168 Benchmark]: RCFGBuilder took 3181.66 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: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. [2018-11-07 20:00:59,924 INFO L168 Benchmark]: TraceAbstraction took 77368.63 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -992.9 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 20:00:59,929 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 701.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 136.72 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -831.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3181.66 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: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 77368.63 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -992.9 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 112]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((((a19 <= 10 && 9 <= a19) || !(1 == a10)) || !(\old(a1) == 23)) || !(0 == a12)) || 0 < a1 + 13) || !(4 == inputD)) || !(inputE == 5)) || !(3 == inputC)) || !(a4 == 14)) || !(2 == inputB)) || !(\old(a19) == 9)) || !(\old(a10) == 0)) || !(inputF == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 77.2s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 61.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1213 SDtfs, 6079 SDslu, 1388 SDs, 0 SdLazy, 8409 SolverSat, 1602 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.9s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 1256 GetRequests, 1148 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 719 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5439occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.7s AbstIntTime, 5 AbstIntIterations, 5 AbstIntStrong, 0.9969034069509409 AbsIntWeakeningRatio, 0.10906040268456375 AbsIntAvgWeakeningVarsNumRemoved, 19.041107382550337 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 556 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 100 PreInvPairs, 176 NumberOfFragments, 789 HoareAnnotationTreeSize, 100 FomulaSimplifications, 18852 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4797 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1354 NumberOfCodeBlocks, 1354 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1347 ConstructedInterpolants, 0 QuantifiedInterpolants, 1392795 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 793/892 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...