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_label08_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 20:01:02,458 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 20:01:02,459 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 20:01:02,471 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 20:01:02,471 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 20:01:02,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 20:01:02,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 20:01:02,476 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 20:01:02,478 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 20:01:02,478 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 20:01:02,479 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 20:01:02,480 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 20:01:02,481 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 20:01:02,482 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 20:01:02,483 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 20:01:02,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 20:01:02,484 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 20:01:02,486 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 20:01:02,488 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 20:01:02,490 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 20:01:02,491 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 20:01:02,492 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 20:01:02,495 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 20:01:02,495 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 20:01:02,495 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 20:01:02,496 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 20:01:02,497 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 20:01:02,498 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 20:01:02,499 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 20:01:02,500 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 20:01:02,500 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 20:01:02,501 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 20:01:02,501 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 20:01:02,502 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 20:01:02,503 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 20:01:02,503 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 20:01:02,504 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 20:01:02,520 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 20:01:02,521 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 20:01:02,522 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 20:01:02,522 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 20:01:02,522 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 20:01:02,522 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 20:01:02,522 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 20:01:02,523 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 20:01:02,523 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 20:01:02,523 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 20:01:02,523 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 20:01:02,523 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 20:01:02,524 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 20:01:02,524 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 20:01:02,524 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 20:01:02,525 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 20:01:02,525 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 20:01:02,525 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 20:01:02,525 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 20:01:02,525 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 20:01:02,526 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 20:01:02,526 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 20:01:02,526 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 20:01:02,526 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 20:01:02,526 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 20:01:02,527 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 20:01:02,527 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 20:01:02,527 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 20:01:02,527 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 20:01:02,527 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 20:01:02,528 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 20:01:02,528 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 20:01:02,528 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 20:01:02,528 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 20:01:02,528 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 20:01:02,571 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 20:01:02,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 20:01:02,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 20:01:02,589 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 20:01:02,589 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 20:01:02,590 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label08_true-unreach-call.c [2018-11-07 20:01:02,648 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8ada0141/1b954c789f99412c867969106e783d63/FLAGc56b4ee81 [2018-11-07 20:01:03,200 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 20:01:03,202 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label08_true-unreach-call.c [2018-11-07 20:01:03,222 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8ada0141/1b954c789f99412c867969106e783d63/FLAGc56b4ee81 [2018-11-07 20:01:03,244 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8ada0141/1b954c789f99412c867969106e783d63 [2018-11-07 20:01:03,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 20:01:03,258 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 20:01:03,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 20:01:03,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 20:01:03,268 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 20:01:03,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:01:03" (1/1) ... [2018-11-07 20:01:03,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257d0326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:03, skipping insertion in model container [2018-11-07 20:01:03,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:01:03" (1/1) ... [2018-11-07 20:01:03,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 20:01:03,351 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 20:01:03,825 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:01:03,829 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 20:01:03,959 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:01:03,988 INFO L193 MainTranslator]: Completed translation [2018-11-07 20:01:03,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:03 WrapperNode [2018-11-07 20:01:03,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 20:01:03,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 20:01:03,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 20:01:03,990 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 20:01:04,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:03" (1/1) ... [2018-11-07 20:01:04,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:03" (1/1) ... [2018-11-07 20:01:04,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 20:01:04,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 20:01:04,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 20:01:04,123 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 20:01:04,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:03" (1/1) ... [2018-11-07 20:01:04,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:03" (1/1) ... [2018-11-07 20:01:04,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:03" (1/1) ... [2018-11-07 20:01:04,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:03" (1/1) ... [2018-11-07 20:01:04,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:03" (1/1) ... [2018-11-07 20:01:04,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:03" (1/1) ... [2018-11-07 20:01:04,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:03" (1/1) ... [2018-11-07 20:01:04,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 20:01:04,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 20:01:04,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 20:01:04,207 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 20:01:04,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 20:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 20:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 20:01:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 20:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 20:01:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 20:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 20:01:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 20:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 20:01:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 20:01:07,620 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 20:01:07,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:01:07 BoogieIcfgContainer [2018-11-07 20:01:07,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 20:01:07,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 20:01:07,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 20:01:07,626 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 20:01:07,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:01:03" (1/3) ... [2018-11-07 20:01:07,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355f9c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:01:07, skipping insertion in model container [2018-11-07 20:01:07,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:03" (2/3) ... [2018-11-07 20:01:07,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355f9c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:01:07, skipping insertion in model container [2018-11-07 20:01:07,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:01:07" (3/3) ... [2018-11-07 20:01:07,630 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label08_true-unreach-call.c [2018-11-07 20:01:07,640 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 20:01:07,650 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 20:01:07,668 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 20:01:07,708 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 20:01:07,708 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 20:01:07,708 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 20:01:07,708 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 20:01:07,709 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 20:01:07,709 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 20:01:07,709 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 20:01:07,709 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 20:01:07,739 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 20:01:07,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-07 20:01:07,750 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:07,752 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:01:07,754 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:07,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:07,763 INFO L82 PathProgramCache]: Analyzing trace with hash -247440047, now seen corresponding path program 1 times [2018-11-07 20:01:07,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:07,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:07,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:07,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:07,826 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:08,229 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:01:08,300 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 20:01:08,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:01:08,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 20:01:08,303 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:08,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:01:08,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:01:08,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:01:08,328 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 20:01:09,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:01:09,880 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 20:01:09,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:01:09,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-07 20:01:09,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:01:09,903 INFO L225 Difference]: With dead ends: 574 [2018-11-07 20:01:09,904 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 20:01:09,911 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:01:09,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 20:01:09,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 20:01:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 20:01:09,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 612 transitions. [2018-11-07 20:01:09,986 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 612 transitions. Word has length 47 [2018-11-07 20:01:09,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:01:09,987 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 612 transitions. [2018-11-07 20:01:09,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:01:09,987 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 612 transitions. [2018-11-07 20:01:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-07 20:01:09,995 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:09,995 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:01:09,995 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:09,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:09,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1218234717, now seen corresponding path program 1 times [2018-11-07 20:01:09,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:09,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:09,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:09,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:09,998 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:10,391 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:01:10,650 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 20:01:10,650 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:01:10,650 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:01:10,652 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 119 with the following transitions: [2018-11-07 20:01:10,654 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], [249], [257], [265], [273], [277], [279], [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], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:01:10,726 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:01:10,726 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:01:11,179 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:01:11,585 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:01:11,588 INFO L272 AbstractInterpreter]: Visited 78 different actions 221 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:01:11,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:11,632 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:01:12,061 INFO L227 lantSequenceWeakener]: Weakened 46 states. On average, predicates are now at 76.43% of their original sizes. [2018-11-07 20:01:12,061 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:01:12,920 INFO L415 sIntCurrentIteration]: We unified 117 AI predicates to 117 [2018-11-07 20:01:12,921 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:01:12,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:01:12,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [4] total 19 [2018-11-07 20:01:12,922 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:12,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-07 20:01:12,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-07 20:01:12,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-11-07 20:01:12,925 INFO L87 Difference]: Start difference. First operand 356 states and 612 transitions. Second operand 17 states. [2018-11-07 20:01:34,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:01:34,800 INFO L93 Difference]: Finished difference Result 1448 states and 2635 transitions. [2018-11-07 20:01:34,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-11-07 20:01:34,801 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 118 [2018-11-07 20:01:34,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:01:34,810 INFO L225 Difference]: With dead ends: 1448 [2018-11-07 20:01:34,810 INFO L226 Difference]: Without dead ends: 1098 [2018-11-07 20:01:34,815 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 137 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=254, Invalid=1078, Unknown=0, NotChecked=0, Total=1332 [2018-11-07 20:01:34,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2018-11-07 20:01:34,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1091. [2018-11-07 20:01:34,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2018-11-07 20:01:34,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1406 transitions. [2018-11-07 20:01:34,879 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1406 transitions. Word has length 118 [2018-11-07 20:01:34,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:01:34,880 INFO L480 AbstractCegarLoop]: Abstraction has 1091 states and 1406 transitions. [2018-11-07 20:01:34,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-07 20:01:34,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1406 transitions. [2018-11-07 20:01:34,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-07 20:01:34,894 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:34,894 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:01:34,894 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:34,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:34,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1202333722, now seen corresponding path program 1 times [2018-11-07 20:01:34,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:34,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:34,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:34,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:34,897 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-07 20:01:35,196 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:01:35,196 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:01:35,196 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-11-07 20:01:35,197 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], [249], [257], [265], [273], [277], [279], [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], [498], [499], [503], [507], [511], [515], [518], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:01:35,201 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:01:35,201 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:01:35,284 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:01:35,486 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:01:35,486 INFO L272 AbstractInterpreter]: Visited 84 different actions 324 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 20:01:35,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:35,520 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:01:35,791 INFO L227 lantSequenceWeakener]: Weakened 51 states. On average, predicates are now at 76.03% of their original sizes. [2018-11-07 20:01:35,791 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:01:36,249 INFO L415 sIntCurrentIteration]: We unified 193 AI predicates to 193 [2018-11-07 20:01:36,249 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:01:36,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:01:36,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [4] total 21 [2018-11-07 20:01:36,249 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:36,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-07 20:01:36,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-07 20:01:36,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2018-11-07 20:01:36,252 INFO L87 Difference]: Start difference. First operand 1091 states and 1406 transitions. Second operand 19 states. [2018-11-07 20:01:48,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:01:48,746 INFO L93 Difference]: Finished difference Result 2800 states and 3924 transitions. [2018-11-07 20:01:48,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-07 20:01:48,747 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 194 [2018-11-07 20:01:48,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:01:48,759 INFO L225 Difference]: With dead ends: 2800 [2018-11-07 20:01:48,759 INFO L226 Difference]: Without dead ends: 2011 [2018-11-07 20:01:48,763 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 204 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=170, Invalid=700, Unknown=0, NotChecked=0, Total=870 [2018-11-07 20:01:48,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2018-11-07 20:01:48,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 1988. [2018-11-07 20:01:48,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1988 states. [2018-11-07 20:01:48,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 2377 transitions. [2018-11-07 20:01:48,826 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 2377 transitions. Word has length 194 [2018-11-07 20:01:48,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:01:48,827 INFO L480 AbstractCegarLoop]: Abstraction has 1988 states and 2377 transitions. [2018-11-07 20:01:48,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-07 20:01:48,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2377 transitions. [2018-11-07 20:01:48,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-07 20:01:48,831 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:48,831 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:01:48,832 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:48,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:48,832 INFO L82 PathProgramCache]: Analyzing trace with hash 2129360251, now seen corresponding path program 1 times [2018-11-07 20:01:48,832 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:48,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:48,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:48,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:48,834 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 152 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:01:49,086 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:01:49,086 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:01:49,087 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-07 20:01:49,087 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], [249], [257], [265], [273], [277], [279], [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], [510], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:01:49,090 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:01:49,091 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:01:49,153 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:01:49,392 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:01:49,392 INFO L272 AbstractInterpreter]: Visited 88 different actions 498 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 20:01:49,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:49,398 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:01:49,608 INFO L227 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 73.32% of their original sizes. [2018-11-07 20:01:49,609 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:01:49,736 INFO L415 sIntCurrentIteration]: We unified 200 AI predicates to 200 [2018-11-07 20:01:49,736 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:01:49,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:01:49,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 20:01:49,736 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:49,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 20:01:49,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 20:01:49,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 20:01:49,738 INFO L87 Difference]: Start difference. First operand 1988 states and 2377 transitions. Second operand 10 states. [2018-11-07 20:01:57,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:01:57,640 INFO L93 Difference]: Finished difference Result 3659 states and 4899 transitions. [2018-11-07 20:01:57,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 20:01:57,640 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2018-11-07 20:01:57,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:01:57,652 INFO L225 Difference]: With dead ends: 3659 [2018-11-07 20:01:57,653 INFO L226 Difference]: Without dead ends: 2573 [2018-11-07 20:01:57,658 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 208 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-07 20:01:57,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2573 states. [2018-11-07 20:01:57,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2573 to 2561. [2018-11-07 20:01:57,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2561 states. [2018-11-07 20:01:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3136 transitions. [2018-11-07 20:01:57,725 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3136 transitions. Word has length 201 [2018-11-07 20:01:57,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:01:57,725 INFO L480 AbstractCegarLoop]: Abstraction has 2561 states and 3136 transitions. [2018-11-07 20:01:57,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 20:01:57,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3136 transitions. [2018-11-07 20:01:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-07 20:01:57,731 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:57,731 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:01:57,731 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:57,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:57,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1210625155, now seen corresponding path program 1 times [2018-11-07 20:01:57,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:57,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:57,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:57,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:57,733 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:58,017 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:01:58,428 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-07 20:01:58,428 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:01:58,428 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:01:58,429 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-11-07 20:01:58,429 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], [249], [257], [265], [273], [277], [279], [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], [510], [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], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:01:58,435 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:01:58,435 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:01:58,547 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:01:58,633 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:01:58,633 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 20:01:58,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:58,637 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:01:58,923 INFO L227 lantSequenceWeakener]: Weakened 49 states. On average, predicates are now at 78.27% of their original sizes. [2018-11-07 20:01:58,923 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:01:59,345 INFO L415 sIntCurrentIteration]: We unified 236 AI predicates to 236 [2018-11-07 20:01:59,345 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:01:59,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:01:59,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [6] total 25 [2018-11-07 20:01:59,345 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:59,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-07 20:01:59,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-07 20:01:59,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2018-11-07 20:01:59,347 INFO L87 Difference]: Start difference. First operand 2561 states and 3136 transitions. Second operand 21 states. [2018-11-07 20:02:17,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:17,252 INFO L93 Difference]: Finished difference Result 5387 states and 7121 transitions. [2018-11-07 20:02:17,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-07 20:02:17,253 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 237 [2018-11-07 20:02:17,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:17,271 INFO L225 Difference]: With dead ends: 5387 [2018-11-07 20:02:17,271 INFO L226 Difference]: Without dead ends: 3728 [2018-11-07 20:02:17,279 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 257 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=323, Invalid=1399, Unknown=0, NotChecked=0, Total=1722 [2018-11-07 20:02:17,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3728 states. [2018-11-07 20:02:17,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3728 to 3542. [2018-11-07 20:02:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3542 states. [2018-11-07 20:02:17,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 3542 states and 4292 transitions. [2018-11-07 20:02:17,397 INFO L78 Accepts]: Start accepts. Automaton has 3542 states and 4292 transitions. Word has length 237 [2018-11-07 20:02:17,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:17,398 INFO L480 AbstractCegarLoop]: Abstraction has 3542 states and 4292 transitions. [2018-11-07 20:02:17,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-07 20:02:17,398 INFO L276 IsEmpty]: Start isEmpty. Operand 3542 states and 4292 transitions. [2018-11-07 20:02:17,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-07 20:02:17,406 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:17,407 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:02:17,407 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:17,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:17,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1622339684, now seen corresponding path program 1 times [2018-11-07 20:02:17,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:17,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:17,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:17,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:17,409 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:17,728 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:02:17,870 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 81 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-07 20:02:17,870 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:17,870 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:17,871 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-11-07 20:02:17,871 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], [249], [257], [265], [273], [277], [279], [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], [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], [731], [735], [739], [743], [747], [751], [755], [759], [762], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:17,878 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:17,878 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:17,911 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:18,662 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:18,663 INFO L272 AbstractInterpreter]: Visited 145 different actions 996 times. Merged at 7 different actions 47 times. Widened at 1 different actions 2 times. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 20:02:18,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:18,669 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:18,961 INFO L227 lantSequenceWeakener]: Weakened 261 states. On average, predicates are now at 73.2% of their original sizes. [2018-11-07 20:02:18,961 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:19,276 INFO L415 sIntCurrentIteration]: We unified 263 AI predicates to 263 [2018-11-07 20:02:19,277 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:19,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:19,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2018-11-07 20:02:19,278 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:19,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 20:02:19,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 20:02:19,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 20:02:19,279 INFO L87 Difference]: Start difference. First operand 3542 states and 4292 transitions. Second operand 11 states. [2018-11-07 20:02:27,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:27,847 INFO L93 Difference]: Finished difference Result 8341 states and 10931 transitions. [2018-11-07 20:02:27,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-07 20:02:27,848 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 264 [2018-11-07 20:02:27,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:27,874 INFO L225 Difference]: With dead ends: 8341 [2018-11-07 20:02:27,874 INFO L226 Difference]: Without dead ends: 5999 [2018-11-07 20:02:27,886 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 275 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2018-11-07 20:02:27,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5999 states. [2018-11-07 20:02:28,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5999 to 5945. [2018-11-07 20:02:28,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5945 states. [2018-11-07 20:02:28,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5945 states to 5945 states and 7368 transitions. [2018-11-07 20:02:28,049 INFO L78 Accepts]: Start accepts. Automaton has 5945 states and 7368 transitions. Word has length 264 [2018-11-07 20:02:28,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:28,050 INFO L480 AbstractCegarLoop]: Abstraction has 5945 states and 7368 transitions. [2018-11-07 20:02:28,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 20:02:28,050 INFO L276 IsEmpty]: Start isEmpty. Operand 5945 states and 7368 transitions. [2018-11-07 20:02:28,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-07 20:02:28,065 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:28,065 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:28,066 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:28,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:28,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1499342864, now seen corresponding path program 1 times [2018-11-07 20:02:28,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:28,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:28,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:28,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:28,068 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:29,136 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 196 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 20:02:29,137 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:29,137 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:29,137 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 316 with the following transitions: [2018-11-07 20:02:29,138 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], [249], [257], [265], [273], [277], [279], [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], [534], [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], [674], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:29,140 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:29,140 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:29,214 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:29,644 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:29,644 INFO L272 AbstractInterpreter]: Visited 124 different actions 737 times. Merged at 8 different actions 48 times. Widened at 1 different actions 2 times. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 20:02:29,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:29,653 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:29,876 INFO L227 lantSequenceWeakener]: Weakened 312 states. On average, predicates are now at 75.44% of their original sizes. [2018-11-07 20:02:29,876 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:29,957 INFO L415 sIntCurrentIteration]: We unified 314 AI predicates to 314 [2018-11-07 20:02:29,958 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:29,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:29,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2018-11-07 20:02:29,958 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:29,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 20:02:29,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 20:02:29,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 20:02:29,959 INFO L87 Difference]: Start difference. First operand 5945 states and 7368 transitions. Second operand 10 states. [2018-11-07 20:02:38,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:38,179 INFO L93 Difference]: Finished difference Result 12990 states and 16867 transitions. [2018-11-07 20:02:38,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 20:02:38,179 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 315 [2018-11-07 20:02:38,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:38,215 INFO L225 Difference]: With dead ends: 12990 [2018-11-07 20:02:38,215 INFO L226 Difference]: Without dead ends: 8245 [2018-11-07 20:02:38,236 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 322 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-07 20:02:38,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8245 states. [2018-11-07 20:02:38,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8245 to 8162. [2018-11-07 20:02:38,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8162 states. [2018-11-07 20:02:38,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8162 states to 8162 states and 10372 transitions. [2018-11-07 20:02:38,421 INFO L78 Accepts]: Start accepts. Automaton has 8162 states and 10372 transitions. Word has length 315 [2018-11-07 20:02:38,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:38,422 INFO L480 AbstractCegarLoop]: Abstraction has 8162 states and 10372 transitions. [2018-11-07 20:02:38,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 20:02:38,422 INFO L276 IsEmpty]: Start isEmpty. Operand 8162 states and 10372 transitions. [2018-11-07 20:02:38,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-07 20:02:38,439 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:38,440 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:38,440 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:38,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:38,441 INFO L82 PathProgramCache]: Analyzing trace with hash 552036796, now seen corresponding path program 1 times [2018-11-07 20:02:38,441 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:38,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:38,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:38,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:38,442 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:38,843 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 20:02:39,446 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-07 20:02:39,832 WARN L179 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-07 20:02:40,058 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 196 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 20:02:40,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:40,059 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:40,059 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 322 with the following transitions: [2018-11-07 20:02:40,059 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], [249], [257], [265], [273], [277], [279], [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], [534], [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], [698], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:40,062 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:40,062 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:40,126 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:40,642 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:02:40,643 INFO L272 AbstractInterpreter]: Visited 131 different actions 774 times. Merged at 8 different actions 48 times. Widened at 1 different actions 2 times. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 20:02:40,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:40,650 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:02:40,650 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:40,650 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 20:02:40,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:40,662 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:02:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:40,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:02:41,278 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 303 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-07 20:02:41,279 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:02:41,994 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 196 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 20:02:42,015 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 20:02:42,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 15 [2018-11-07 20:02:42,016 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 20:02:42,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 20:02:42,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 20:02:42,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-07 20:02:42,017 INFO L87 Difference]: Start difference. First operand 8162 states and 10372 transitions. Second operand 14 states. [2018-11-07 20:02:42,221 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2018-11-07 20:02:47,312 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 19 [2018-11-07 20:02:50,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:50,756 INFO L93 Difference]: Finished difference Result 20072 states and 27254 transitions. [2018-11-07 20:02:50,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 20:02:50,757 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 321 [2018-11-07 20:02:50,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:50,781 INFO L225 Difference]: With dead ends: 20072 [2018-11-07 20:02:50,782 INFO L226 Difference]: Without dead ends: 4972 [2018-11-07 20:02:50,874 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 655 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=335, Invalid=925, Unknown=0, NotChecked=0, Total=1260 [2018-11-07 20:02:50,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4972 states. [2018-11-07 20:02:51,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4972 to 4001. [2018-11-07 20:02:51,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4001 states. [2018-11-07 20:02:51,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 4001 states and 4578 transitions. [2018-11-07 20:02:51,040 INFO L78 Accepts]: Start accepts. Automaton has 4001 states and 4578 transitions. Word has length 321 [2018-11-07 20:02:51,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:51,041 INFO L480 AbstractCegarLoop]: Abstraction has 4001 states and 4578 transitions. [2018-11-07 20:02:51,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 20:02:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand 4001 states and 4578 transitions. [2018-11-07 20:02:51,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-11-07 20:02:51,058 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:51,058 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:02:51,058 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:51,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:51,059 INFO L82 PathProgramCache]: Analyzing trace with hash 339192004, now seen corresponding path program 1 times [2018-11-07 20:02:51,059 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:51,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:51,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:51,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:51,060 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 310 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-07 20:02:51,775 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:51,775 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:51,775 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 358 with the following transitions: [2018-11-07 20:02:51,776 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], [249], [257], [265], [273], [277], [279], [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], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [698], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:51,779 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:51,779 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:51,886 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:52,364 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:52,365 INFO L272 AbstractInterpreter]: Visited 130 different actions 512 times. Merged at 8 different actions 25 times. Never widened. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 20:02:52,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:52,400 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:52,858 INFO L227 lantSequenceWeakener]: Weakened 354 states. On average, predicates are now at 75.47% of their original sizes. [2018-11-07 20:02:52,858 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:53,565 INFO L415 sIntCurrentIteration]: We unified 356 AI predicates to 356 [2018-11-07 20:02:53,565 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:53,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:53,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 20:02:53,566 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:53,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 20:02:53,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 20:02:53,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 20:02:53,567 INFO L87 Difference]: Start difference. First operand 4001 states and 4578 transitions. Second operand 11 states. [2018-11-07 20:03:02,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:02,138 INFO L93 Difference]: Finished difference Result 7024 states and 8178 transitions. [2018-11-07 20:03:02,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-07 20:03:02,139 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 357 [2018-11-07 20:03:02,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:02,140 INFO L225 Difference]: With dead ends: 7024 [2018-11-07 20:03:02,140 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 20:03:02,150 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 368 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2018-11-07 20:03:02,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 20:03:02,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 20:03:02,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 20:03:02,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 20:03:02,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 357 [2018-11-07 20:03:02,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:02,151 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 20:03:02,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 20:03:02,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 20:03:02,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 20:03:02,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 20:03:02,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:02,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:02,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:02,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:02,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:02,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:02,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:02,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,379 WARN L179 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2018-11-07 20:03:03,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:03,741 WARN L179 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 164 [2018-11-07 20:03:04,246 WARN L179 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-11-07 20:03:04,427 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2018-11-07 20:03:11,684 WARN L179 SmtUtils]: Spent 7.24 s on a formula simplification. DAG size of input: 343 DAG size of output: 124 [2018-11-07 20:03:12,516 WARN L179 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 48 [2018-11-07 20:03:12,901 WARN L179 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 52 [2018-11-07 20:03:12,904 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:03:12,905 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) [2018-11-07 20:03:12,905 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:03:12,905 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 20:03:12,905 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,905 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,905 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,905 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,905 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,905 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,905 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 20:03:12,906 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 20:03:12,906 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 20:03:12,906 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 20:03:12,906 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 20:03:12,906 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 20:03:12,906 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 20:03:12,906 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 20:03:12,906 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 20:03:12,907 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 20:03:12,907 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 20:03:12,907 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,907 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,907 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,907 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,907 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,907 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 20:03:12,908 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 20:03:12,908 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 20:03:12,908 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 20:03:12,908 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 20:03:12,908 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 20:03:12,908 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 20:03:12,908 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 20:03:12,908 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 20:03:12,908 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 20:03:12,909 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 20:03:12,909 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 20:03:12,909 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 20:03:12,909 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 20:03:12,909 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,909 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,909 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,909 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,909 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,910 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 20:03:12,910 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 20:03:12,910 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 20:03:12,910 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 20:03:12,910 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 20:03:12,910 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 20:03:12,910 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 20:03:12,910 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 20:03:12,911 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 20:03:12,911 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 20:03:12,911 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,911 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,911 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,911 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,911 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,911 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 20:03:12,911 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 20:03:12,911 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 20:03:12,912 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 20:03:12,912 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 20:03:12,912 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 20:03:12,912 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 20:03:12,912 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 20:03:12,912 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 20:03:12,912 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 20:03:12,912 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 20:03:12,912 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 20:03:12,913 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 20:03:12,913 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,913 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,913 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,913 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,913 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,913 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 20:03:12,913 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 20:03:12,914 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 20:03:12,914 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 20:03:12,914 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 20:03:12,914 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 20:03:12,914 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 20:03:12,914 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 20:03:12,914 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 20:03:12,914 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,914 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,915 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,915 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,915 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,915 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,915 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,915 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 20:03:12,915 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 20:03:12,915 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 20:03:12,915 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 20:03:12,916 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 20:03:12,916 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 20:03:12,916 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 20:03:12,916 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 20:03:12,916 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 20:03:12,916 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 20:03:12,916 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 20:03:12,916 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 20:03:12,916 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2018-11-07 20:03:12,917 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 20:03:12,917 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,917 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,917 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,917 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,917 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,917 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 20:03:12,917 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,917 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 20:03:12,918 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 20:03:12,918 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 20:03:12,918 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 20:03:12,918 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 20:03:12,918 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 20:03:12,918 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 20:03:12,918 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 20:03:12,918 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 20:03:12,918 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 20:03:12,919 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 20:03:12,919 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 20:03:12,919 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 20:03:12,919 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,919 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,919 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,919 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,919 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,919 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,920 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 20:03:12,920 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 20:03:12,920 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 20:03:12,920 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 20:03:12,920 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 20:03:12,920 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 20:03:12,920 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 20:03:12,920 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 20:03:12,921 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 20:03:12,921 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 20:03:12,921 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 20:03:12,922 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse17 (< |old(~a19~0)| 7)) (.cse22 (not (= 1 |old(~a10~0)|))) (.cse10 (< |old(~a10~0)| 0)) (.cse5 (< 9 |old(~a19~0)|)) (.cse16 (< 2 |old(~a10~0)|)) (.cse12 (< |old(~a19~0)| 8)) (.cse23 (not (= 8 |old(~a19~0)|))) (.cse7 (< 2147483647 |old(~a1~0)|)) (.cse8 (< (+ |old(~a1~0)| 2147483648) 0)) (.cse4 (not (= 14 ~a4~0))) (.cse9 (not (= 0 ~a12~0))) (.cse6 (< 3 |old(~a10~0)|)) (.cse15 (<= ~a1~0 2147483647))) (let ((.cse2 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|))) (.cse13 (and .cse15 (<= 0 (+ ~a1~0 2147483648)))) (.cse11 (= 2 |old(~a10~0)|)) (.cse14 (and (or .cse7 .cse8 .cse4 .cse9 .cse10 .cse5 .cse16 .cse12) (or (< |old(~a10~0)| 1) .cse23 .cse7 .cse8 .cse4 .cse9 .cse6))) (.cse19 (< (+ |old(~a1~0)| 45489) 0)) (.cse0 (< 6 |calculate_output_#in~input|)) (.cse1 (< |calculate_output_#in~input| 2)) (.cse20 (< 23 |old(~a1~0)|)) (.cse3 (and (or .cse4 .cse9 .cse5 .cse16 .cse17) (or .cse22 .cse4 .cse9 (< 10 |old(~a19~0)|) (< |old(~a19~0)| 9)))) (.cse21 (not (= 0 (mod |old(~a10~0)| 2)))) (.cse18 (not (= 9 |old(~a19~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse0 .cse1 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) .cse13) (or (or .cse4 .cse9 .cse11) .cse2) (or .cse0 (< 8 |old(~a19~0)|) .cse1 .cse13 .cse14) (or (and (<= 23 ~a1~0) .cse15) .cse0 (< |old(~a1~0)| 23) .cse1 .cse4 .cse5 .cse16 .cse17 .cse7 .cse9 .cse10) (or (<= (+ ~a1~0 45480) 0) (or .cse0 .cse1 (or (< 0 (+ |old(~a1~0)| 45480)) (not .cse11)) .cse14 .cse18 .cse19)) (or (or .cse0 .cse1 .cse20 .cse21 .cse18 .cse19) .cse3 .cse10 (<= 0 (+ ~a1~0 45489))) (or .cse0 .cse22 .cse1 .cse4 (<= ~a1~0 218) .cse23 .cse9 (< 218 |old(~a1~0)|)) (or .cse0 .cse1 .cse20 (< (+ |old(~a1~0)| 600000) 0) (and (<= 0 (+ ~a1~0 600000)) (<= ~a1~0 23)) .cse3 .cse21 .cse10 .cse18)))) [2018-11-07 20:03:12,922 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 20:03:12,922 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 20:03:12,922 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 20:03:12,922 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,922 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,922 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,922 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,922 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,922 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,923 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 20:03:12,923 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 20:03:12,923 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 20:03:12,923 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 20:03:12,923 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 20:03:12,923 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 20:03:12,923 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 20:03:12,923 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 20:03:12,923 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 20:03:12,923 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 20:03:12,924 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 20:03:12,924 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 20:03:12,924 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 20:03:12,924 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,924 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,924 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,924 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,924 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,924 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,925 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 20:03:12,925 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 20:03:12,925 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 20:03:12,925 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 20:03:12,925 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 20:03:12,925 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 20:03:12,925 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 20:03:12,925 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 20:03:12,926 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 20:03:12,926 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 20:03:12,926 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 20:03:12,926 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 20:03:12,926 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,926 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,926 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,926 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,926 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,927 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:12,927 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 20:03:12,927 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 20:03:12,927 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 20:03:12,927 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 20:03:12,927 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 20:03:12,927 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 20:03:12,927 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 20:03:12,928 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 20:03:12,928 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 20:03:12,928 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 20:03:12,928 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 20:03:12,928 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 20:03:12,928 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:03:12,928 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 20:03:12,929 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 20:03:12,929 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:03:12,929 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= ~inputE~0 5)) (and (= ~a10~0 |old(~a10~0)|) (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|)) (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 20:03:12,929 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:03:12,929 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (and (and (<= 7 ~a19~0) (<= ~a19~0 9)) (<= main_~input~0 6) (<= 2 main_~input~0)) (not (= |old(~a1~0)| 23)) (not (= 0 ~a12~0)) (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 (= ~a10~0 2)) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6))) [2018-11-07 20:03:12,929 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 20:03:12,929 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 20:03:12,930 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 20:03:12,930 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (or (not (= |old(~a1~0)| 23)) (not (= 0 ~a12~0)) (and (<= 7 ~a19~0) (<= ~a19~0 9)) (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 (= ~a10~0 2)) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6))) [2018-11-07 20:03:12,930 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:03:12,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:03:12 BoogieIcfgContainer [2018-11-07 20:03:12,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 20:03:12,944 INFO L168 Benchmark]: Toolchain (without parser) took 129686.96 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 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 20:03:12,945 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 20:03:12,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.98 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 20:03:12,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.45 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 727.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -814.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-07 20:03:12,947 INFO L168 Benchmark]: Boogie Preprocessor took 84.05 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-11-07 20:03:12,948 INFO L168 Benchmark]: RCFGBuilder took 3413.92 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB. [2018-11-07 20:03:12,949 INFO L168 Benchmark]: TraceAbstraction took 125320.62 ms. Allocated memory was 2.2 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: -1.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-07 20:03:12,954 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 729.98 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 132.45 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 727.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -814.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.05 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3413.92 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 125320.62 ms. Allocated memory was 2.2 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: -1.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: 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: ((((((((((!(\old(a1) == 23) || !(0 == a12)) || (7 <= a19 && a19 <= 9)) || !(4 == inputD)) || !(inputE == 5)) || !(3 == inputC)) || !(a4 == 14)) || !(2 == inputB)) || !(\old(a19) == 9)) || !(a10 == 2)) || !(\old(a10) == 0)) || !(inputF == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 125.2s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 96.1s AutomataDifference, 0.0s DeadEndRemovalTime, 10.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1368 SDtfs, 12369 SDslu, 2410 SDs, 0 SdLazy, 14528 SolverSat, 3703 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.5s Time, PredicateUnifierStatistics: 14 DeclaredPredicates, 2467 GetRequests, 2251 SyntacticMatches, 4 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1377 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8162occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.3s AbstIntTime, 8 AbstIntIterations, 7 AbstIntStrong, 0.9966771977296398 AbsIntWeakeningRatio, 0.11197141155449672 AbsIntAvgWeakeningVarsNumRemoved, 19.31745086360929 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 1336 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 148 PreInvPairs, 252 NumberOfFragments, 776 HoareAnnotationTreeSize, 148 FomulaSimplifications, 53757 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 35191 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 2375 NumberOfCodeBlocks, 2375 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2685 ConstructedInterpolants, 0 QuantifiedInterpolants, 3078334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 535 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 2085/2425 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...