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_label18_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 20:02:24,325 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 20:02:24,327 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 20:02:24,344 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 20:02:24,344 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 20:02:24,346 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 20:02:24,348 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 20:02:24,351 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 20:02:24,353 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 20:02:24,354 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 20:02:24,362 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 20:02:24,362 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 20:02:24,363 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 20:02:24,365 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 20:02:24,366 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 20:02:24,369 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 20:02:24,370 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 20:02:24,371 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 20:02:24,373 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 20:02:24,375 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 20:02:24,377 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 20:02:24,378 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 20:02:24,380 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 20:02:24,380 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 20:02:24,380 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 20:02:24,381 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 20:02:24,382 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 20:02:24,383 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 20:02:24,384 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 20:02:24,385 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 20:02:24,385 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 20:02:24,386 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 20:02:24,386 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 20:02:24,386 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 20:02:24,387 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 20:02:24,388 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 20:02:24,388 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 20:02:24,403 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 20:02:24,403 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 20:02:24,404 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 20:02:24,404 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 20:02:24,404 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 20:02:24,404 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 20:02:24,405 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 20:02:24,405 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 20:02:24,405 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 20:02:24,405 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 20:02:24,406 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 20:02:24,406 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 20:02:24,406 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 20:02:24,407 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 20:02:24,407 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 20:02:24,407 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 20:02:24,407 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 20:02:24,408 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 20:02:24,409 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 20:02:24,409 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 20:02:24,409 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 20:02:24,409 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 20:02:24,410 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 20:02:24,410 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 20:02:24,410 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 20:02:24,410 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 20:02:24,411 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 20:02:24,411 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 20:02:24,411 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 20:02:24,411 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 20:02:24,411 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 20:02:24,411 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 20:02:24,412 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 20:02:24,412 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 20:02:24,412 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 20:02:24,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 20:02:24,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 20:02:24,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 20:02:24,494 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 20:02:24,495 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 20:02:24,495 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label18_true-unreach-call.c [2018-11-07 20:02:24,570 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2ae2500/48c08439da0e484c98933261ee0df908/FLAGf46ae4f94 [2018-11-07 20:02:25,101 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 20:02:25,102 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label18_true-unreach-call.c [2018-11-07 20:02:25,117 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2ae2500/48c08439da0e484c98933261ee0df908/FLAGf46ae4f94 [2018-11-07 20:02:25,144 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2ae2500/48c08439da0e484c98933261ee0df908 [2018-11-07 20:02:25,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 20:02:25,160 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 20:02:25,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 20:02:25,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 20:02:25,167 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 20:02:25,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:02:25" (1/1) ... [2018-11-07 20:02:25,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332e51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:25, skipping insertion in model container [2018-11-07 20:02:25,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:02:25" (1/1) ... [2018-11-07 20:02:25,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 20:02:25,256 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 20:02:25,802 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:02:25,807 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 20:02:25,928 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:02:25,947 INFO L193 MainTranslator]: Completed translation [2018-11-07 20:02:25,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:25 WrapperNode [2018-11-07 20:02:25,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 20:02:25,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 20:02:25,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 20:02:25,949 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 20:02:25,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:25" (1/1) ... [2018-11-07 20:02:25,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:25" (1/1) ... [2018-11-07 20:02:26,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 20:02:26,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 20:02:26,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 20:02:26,080 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 20:02:26,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:25" (1/1) ... [2018-11-07 20:02:26,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:25" (1/1) ... [2018-11-07 20:02:26,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:25" (1/1) ... [2018-11-07 20:02:26,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:25" (1/1) ... [2018-11-07 20:02:26,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:25" (1/1) ... [2018-11-07 20:02:26,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:25" (1/1) ... [2018-11-07 20:02:26,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:25" (1/1) ... [2018-11-07 20:02:26,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 20:02:26,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 20:02:26,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 20:02:26,209 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 20:02:26,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:25" (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 20:02:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 20:02:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 20:02:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 20:02:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 20:02:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 20:02:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 20:02:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 20:02:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 20:02:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 20:02:29,426 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 20:02:29,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:02:29 BoogieIcfgContainer [2018-11-07 20:02:29,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 20:02:29,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 20:02:29,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 20:02:29,432 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 20:02:29,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:02:25" (1/3) ... [2018-11-07 20:02:29,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f6a4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:02:29, skipping insertion in model container [2018-11-07 20:02:29,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:25" (2/3) ... [2018-11-07 20:02:29,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f6a4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:02:29, skipping insertion in model container [2018-11-07 20:02:29,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:02:29" (3/3) ... [2018-11-07 20:02:29,435 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label18_true-unreach-call.c [2018-11-07 20:02:29,445 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 20:02:29,455 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 20:02:29,469 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 20:02:29,507 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 20:02:29,508 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 20:02:29,508 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 20:02:29,508 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 20:02:29,508 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 20:02:29,509 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 20:02:29,509 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 20:02:29,509 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 20:02:29,536 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 20:02:29,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-07 20:02:29,547 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:29,549 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:02:29,551 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:29,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:29,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1094917127, now seen corresponding path program 1 times [2018-11-07 20:02:29,560 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:29,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:29,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:29,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:29,607 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:30,058 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:02:30,208 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 20:02:30,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:02:30,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 20:02:30,212 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:30,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:02:30,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:02:30,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:02:30,241 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 20:02:31,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:31,887 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 20:02:31,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:02:31,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-11-07 20:02:31,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:31,907 INFO L225 Difference]: With dead ends: 574 [2018-11-07 20:02:31,908 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 20:02:31,915 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 20:02:31,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 20:02:31,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 20:02:31,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 20:02:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 607 transitions. [2018-11-07 20:02:31,999 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 607 transitions. Word has length 65 [2018-11-07 20:02:31,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:32,000 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 607 transitions. [2018-11-07 20:02:32,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:02:32,000 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 607 transitions. [2018-11-07 20:02:32,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-07 20:02:32,010 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:32,010 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:02:32,010 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:32,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:32,011 INFO L82 PathProgramCache]: Analyzing trace with hash -158476620, now seen corresponding path program 1 times [2018-11-07 20:02:32,011 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:32,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:32,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:32,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:32,013 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:32,415 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:02:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 20:02:32,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:32,481 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:32,483 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-07 20:02:32,485 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], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:32,546 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:32,547 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:33,086 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:33,088 INFO L272 AbstractInterpreter]: Visited 92 different actions 92 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 20:02:33,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:33,136 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:33,637 INFO L227 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 73.99% of their original sizes. [2018-11-07 20:02:33,637 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:33,986 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-07 20:02:33,987 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:33,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:33,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2018-11-07 20:02:33,988 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:33,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 20:02:33,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 20:02:33,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 20:02:33,991 INFO L87 Difference]: Start difference. First operand 356 states and 607 transitions. Second operand 7 states. [2018-11-07 20:02:36,084 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:47,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:47,740 INFO L93 Difference]: Finished difference Result 852 states and 1471 transitions. [2018-11-07 20:02:47,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:02:47,740 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 153 [2018-11-07 20:02:47,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:47,748 INFO L225 Difference]: With dead ends: 852 [2018-11-07 20:02:47,749 INFO L226 Difference]: Without dead ends: 502 [2018-11-07 20:02:47,755 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-07 20:02:47,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2018-11-07 20:02:47,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 500. [2018-11-07 20:02:47,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-11-07 20:02:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 757 transitions. [2018-11-07 20:02:47,819 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 757 transitions. Word has length 153 [2018-11-07 20:02:47,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:47,820 INFO L480 AbstractCegarLoop]: Abstraction has 500 states and 757 transitions. [2018-11-07 20:02:47,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 20:02:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 757 transitions. [2018-11-07 20:02:47,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-07 20:02:47,831 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:47,831 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, 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, 1, 1, 1, 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 20:02:47,832 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:47,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:47,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1560963418, now seen corresponding path program 1 times [2018-11-07 20:02:47,832 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:47,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:47,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:47,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:47,837 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:48,200 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-07 20:02:48,200 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:48,200 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:48,201 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-11-07 20:02:48,201 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], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:48,207 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:48,207 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:48,289 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:48,626 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:48,627 INFO L272 AbstractInterpreter]: Visited 96 different actions 366 times. Merged at 5 different actions 15 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:02:48,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:48,658 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:48,994 INFO L227 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 75.81% of their original sizes. [2018-11-07 20:02:48,994 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:50,088 INFO L415 sIntCurrentIteration]: We unified 223 AI predicates to 223 [2018-11-07 20:02:50,088 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:50,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:50,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [4] total 22 [2018-11-07 20:02:50,089 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:50,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-07 20:02:50,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-07 20:02:50,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2018-11-07 20:02:50,095 INFO L87 Difference]: Start difference. First operand 500 states and 757 transitions. Second operand 20 states. [2018-11-07 20:03:03,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:03,301 INFO L93 Difference]: Finished difference Result 1312 states and 2191 transitions. [2018-11-07 20:03:03,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-07 20:03:03,302 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 224 [2018-11-07 20:03:03,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:03,311 INFO L225 Difference]: With dead ends: 1312 [2018-11-07 20:03:03,312 INFO L226 Difference]: Without dead ends: 962 [2018-11-07 20:03:03,314 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 234 GetRequests, 198 SyntacticMatches, 7 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=184, Invalid=746, Unknown=0, NotChecked=0, Total=930 [2018-11-07 20:03:03,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2018-11-07 20:03:03,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 798. [2018-11-07 20:03:03,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2018-11-07 20:03:03,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1084 transitions. [2018-11-07 20:03:03,348 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1084 transitions. Word has length 224 [2018-11-07 20:03:03,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:03,349 INFO L480 AbstractCegarLoop]: Abstraction has 798 states and 1084 transitions. [2018-11-07 20:03:03,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-07 20:03:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1084 transitions. [2018-11-07 20:03:03,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-07 20:03:03,354 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:03:03,354 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:03:03,354 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:03:03,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:03,355 INFO L82 PathProgramCache]: Analyzing trace with hash -848982305, now seen corresponding path program 1 times [2018-11-07 20:03:03,355 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:03:03,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:03,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:03,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:03,356 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:03:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:03,685 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:03:03,831 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 117 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-07 20:03:03,832 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:03,832 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:03:03,832 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-11-07 20:03:03,833 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], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [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], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:03:03,836 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:03:03,836 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:03:03,897 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:03:04,124 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:03:04,124 INFO L272 AbstractInterpreter]: Visited 96 different actions 377 times. Merged at 7 different actions 26 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 20:03:04,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:04,162 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:03:04,420 INFO L227 lantSequenceWeakener]: Weakened 230 states. On average, predicates are now at 75.89% of their original sizes. [2018-11-07 20:03:04,420 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:03:04,518 INFO L415 sIntCurrentIteration]: We unified 232 AI predicates to 232 [2018-11-07 20:03:04,519 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:03:04,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:03:04,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2018-11-07 20:03:04,519 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:03:04,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 20:03:04,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 20:03:04,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 20:03:04,521 INFO L87 Difference]: Start difference. First operand 798 states and 1084 transitions. Second operand 11 states. [2018-11-07 20:03:16,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:16,247 INFO L93 Difference]: Finished difference Result 2328 states and 3657 transitions. [2018-11-07 20:03:16,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-07 20:03:16,248 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 233 [2018-11-07 20:03:16,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:16,257 INFO L225 Difference]: With dead ends: 2328 [2018-11-07 20:03:16,257 INFO L226 Difference]: Without dead ends: 1684 [2018-11-07 20:03:16,261 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 244 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2018-11-07 20:03:16,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2018-11-07 20:03:16,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1656. [2018-11-07 20:03:16,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2018-11-07 20:03:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2315 transitions. [2018-11-07 20:03:16,321 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2315 transitions. Word has length 233 [2018-11-07 20:03:16,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:16,322 INFO L480 AbstractCegarLoop]: Abstraction has 1656 states and 2315 transitions. [2018-11-07 20:03:16,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 20:03:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2315 transitions. [2018-11-07 20:03:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-11-07 20:03:16,331 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:03:16,332 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2018-11-07 20:03:16,332 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:03:16,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:16,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1780174805, now seen corresponding path program 1 times [2018-11-07 20:03:16,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:03:16,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:16,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:16,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:16,334 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:03:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:16,768 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 20:03:16,955 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 20:03:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 250 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 20:03:17,333 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:17,334 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:03:17,334 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 345 with the following transitions: [2018-11-07 20:03:17,337 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], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [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], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:03:17,346 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:03:17,347 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:03:17,402 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:03:17,939 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:03:17,940 INFO L272 AbstractInterpreter]: Visited 136 different actions 804 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 20:03:17,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:17,950 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:03:17,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:17,950 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 20:03:17,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:17,961 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:03:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:18,081 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:03:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 339 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-07 20:03:18,568 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:03:19,296 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 250 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 20:03:19,318 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 20:03:19,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 15 [2018-11-07 20:03:19,318 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 20:03:19,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 20:03:19,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 20:03:19,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-07 20:03:19,321 INFO L87 Difference]: Start difference. First operand 1656 states and 2315 transitions. Second operand 14 states. [2018-11-07 20:03:20,541 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2018-11-07 20:03:21,183 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 16 [2018-11-07 20:03:22,281 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2018-11-07 20:03:27,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:27,564 INFO L93 Difference]: Finished difference Result 5554 states and 8422 transitions. [2018-11-07 20:03:27,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 20:03:27,565 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 344 [2018-11-07 20:03:27,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:27,577 INFO L225 Difference]: With dead ends: 5554 [2018-11-07 20:03:27,577 INFO L226 Difference]: Without dead ends: 2027 [2018-11-07 20:03:27,600 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 737 GetRequests, 701 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=335, Invalid=925, Unknown=0, NotChecked=0, Total=1260 [2018-11-07 20:03:27,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2018-11-07 20:03:27,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 1709. [2018-11-07 20:03:27,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1709 states. [2018-11-07 20:03:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2060 transitions. [2018-11-07 20:03:27,671 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2060 transitions. Word has length 344 [2018-11-07 20:03:27,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:27,671 INFO L480 AbstractCegarLoop]: Abstraction has 1709 states and 2060 transitions. [2018-11-07 20:03:27,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 20:03:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2060 transitions. [2018-11-07 20:03:27,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-11-07 20:03:27,682 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:03:27,682 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2018-11-07 20:03:27,682 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:03:27,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:27,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1508247517, now seen corresponding path program 1 times [2018-11-07 20:03:27,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:03:27,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:27,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:27,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:27,684 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:03:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 364 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-07 20:03:28,053 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:28,053 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:03:28,054 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 381 with the following transitions: [2018-11-07 20:03:28,054 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], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [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], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:03:28,057 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:03:28,057 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:03:28,247 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:03:28,628 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:03:28,629 INFO L272 AbstractInterpreter]: Visited 136 different actions 535 times. Merged at 8 different actions 27 times. Never widened. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 20:03:28,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:28,667 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:03:28,667 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:28,667 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 20:03:28,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:28,678 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:03:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:28,779 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:03:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 364 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-07 20:03:28,924 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:03:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 364 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-07 20:03:29,193 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 20:03:29,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-07 20:03:29,193 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 20:03:29,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 20:03:29,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 20:03:29,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-07 20:03:29,196 INFO L87 Difference]: Start difference. First operand 1709 states and 2060 transitions. Second operand 7 states. [2018-11-07 20:03:30,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:30,912 INFO L93 Difference]: Finished difference Result 3975 states and 4963 transitions. [2018-11-07 20:03:30,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 20:03:30,912 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 380 [2018-11-07 20:03:30,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:30,924 INFO L225 Difference]: With dead ends: 3975 [2018-11-07 20:03:30,924 INFO L226 Difference]: Without dead ends: 2566 [2018-11-07 20:03:30,928 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 773 GetRequests, 760 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-11-07 20:03:30,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2566 states. [2018-11-07 20:03:30,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2566 to 2284. [2018-11-07 20:03:30,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2284 states. [2018-11-07 20:03:31,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 2284 states and 2711 transitions. [2018-11-07 20:03:31,000 INFO L78 Accepts]: Start accepts. Automaton has 2284 states and 2711 transitions. Word has length 380 [2018-11-07 20:03:31,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:31,001 INFO L480 AbstractCegarLoop]: Abstraction has 2284 states and 2711 transitions. [2018-11-07 20:03:31,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 20:03:31,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2711 transitions. [2018-11-07 20:03:31,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-07 20:03:31,013 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:03:31,013 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:03:31,013 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:03:31,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:31,014 INFO L82 PathProgramCache]: Analyzing trace with hash -799298838, now seen corresponding path program 1 times [2018-11-07 20:03:31,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:03:31,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:31,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:31,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:31,015 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:03:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:31,403 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-07 20:03:31,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:03:31,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 20:03:31,403 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:03:31,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 20:03:31,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 20:03:31,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 20:03:31,405 INFO L87 Difference]: Start difference. First operand 2284 states and 2711 transitions. Second operand 4 states. [2018-11-07 20:03:32,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:32,634 INFO L93 Difference]: Finished difference Result 4996 states and 6271 transitions. [2018-11-07 20:03:32,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 20:03:32,636 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 393 [2018-11-07 20:03:32,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:32,637 INFO L225 Difference]: With dead ends: 4996 [2018-11-07 20:03:32,637 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 20:03:32,647 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 20:03:32,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 20:03:32,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 20:03:32,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 20:03:32,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 20:03:32,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 393 [2018-11-07 20:03:32,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:32,648 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 20:03:32,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 20:03:32,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 20:03:32,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 20:03:32,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 20:03:32,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:32,978 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 161 [2018-11-07 20:03:33,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:33,093 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 139 [2018-11-07 20:03:33,674 WARN L179 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-11-07 20:03:34,080 WARN L179 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 47 [2018-11-07 20:03:35,255 WARN L179 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 250 DAG size of output: 48 [2018-11-07 20:03:36,191 WARN L179 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 54 [2018-11-07 20:03:36,643 WARN L179 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 58 [2018-11-07 20:03:36,646 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:03:36,646 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)|) (= ~a1~0 |old(~a1~0)|)) [2018-11-07 20:03:36,646 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:03:36,646 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 20:03:36,647 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,647 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,647 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,647 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,647 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,647 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,647 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 20:03:36,647 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 20:03:36,647 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 20:03:36,647 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 20:03:36,647 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 20:03:36,648 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 20:03:36,648 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 20:03:36,648 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 20:03:36,648 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 20:03:36,648 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 20:03:36,648 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 20:03:36,648 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,648 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,648 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,648 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,648 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,648 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 20:03:36,649 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 20:03:36,649 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 20:03:36,649 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 20:03:36,649 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 20:03:36,649 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 20:03:36,649 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 20:03:36,649 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 20:03:36,649 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 20:03:36,649 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 20:03:36,649 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 20:03:36,649 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 20:03:36,649 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 20:03:36,649 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 20:03:36,650 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,650 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,650 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,650 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,650 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,650 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 20:03:36,650 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 20:03:36,650 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 20:03:36,650 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 20:03:36,651 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 20:03:36,651 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 20:03:36,651 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 20:03:36,651 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 20:03:36,651 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 20:03:36,651 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 20:03:36,651 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,651 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,651 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,652 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,652 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,652 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 20:03:36,652 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 20:03:36,652 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 20:03:36,652 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 20:03:36,652 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 20:03:36,652 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 20:03:36,652 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 20:03:36,652 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 20:03:36,653 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 20:03:36,653 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 20:03:36,653 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 20:03:36,653 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 20:03:36,653 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 20:03:36,653 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,653 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,653 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,653 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,654 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,654 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 20:03:36,654 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 20:03:36,654 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 20:03:36,654 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 20:03:36,654 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 20:03:36,654 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 20:03:36,654 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 20:03:36,654 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 20:03:36,655 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 20:03:36,655 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,655 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,655 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,655 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,655 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,655 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,655 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,655 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 20:03:36,655 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 20:03:36,655 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 20:03:36,655 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 20:03:36,655 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 20:03:36,656 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 20:03:36,656 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 20:03:36,656 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 20:03:36,656 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 20:03:36,656 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 20:03:36,656 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 20:03:36,656 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 20:03:36,656 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 20:03:36,656 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,656 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,656 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,656 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,657 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,657 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 20:03:36,657 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,657 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 20:03:36,657 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 20:03:36,657 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 20:03:36,657 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 20:03:36,657 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 20:03:36,658 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 20:03:36,658 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 20:03:36,658 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 20:03:36,658 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 20:03:36,658 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 20:03:36,658 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 20:03:36,658 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 20:03:36,658 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 20:03:36,658 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,658 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,658 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,658 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,658 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,659 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,659 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 20:03:36,659 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 20:03:36,659 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 20:03:36,659 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 20:03:36,659 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 20:03:36,659 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 20:03:36,659 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 20:03:36,659 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 20:03:36,659 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 20:03:36,659 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 20:03:36,659 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 20:03:36,660 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= ~a10~0 |old(~a10~0)|)) (.cse1 (= ~a19~0 |old(~a19~0)|)) (.cse2 (= ~a1~0 |old(~a1~0)|))) (let ((.cse5 (and .cse0 .cse1 .cse2)) (.cse3 (not (= 14 ~a4~0))) (.cse4 (not (= 0 ~a12~0)))) (and (or (and (and .cse0 .cse1) .cse2) (or (< 6 |calculate_output_#in~input|) (or .cse3 (< 9 |old(~a19~0)|)) (< |calculate_output_#in~input| 2) .cse4 (< |old(~a19~0)| 8))) (or (or (= 4 |old(~a10~0)|) .cse3 .cse4) .cse5) (or .cse5 (< 0 (+ |old(~a1~0)| 333899)) (< 8 |old(~a19~0)|) .cse3 .cse4)))) [2018-11-07 20:03:36,660 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 20:03:36,660 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 20:03:36,660 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 20:03:36,660 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,660 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,660 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,660 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,661 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2018-11-07 20:03:36,661 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,661 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,661 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 20:03:36,661 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 20:03:36,661 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 20:03:36,661 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 20:03:36,661 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 20:03:36,661 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 20:03:36,661 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 20:03:36,662 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 20:03:36,662 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 20:03:36,662 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 20:03:36,662 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 20:03:36,662 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 20:03:36,662 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 20:03:36,662 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,662 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,662 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,663 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,663 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,663 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,663 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 20:03:36,663 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 20:03:36,663 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 20:03:36,663 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 20:03:36,663 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 20:03:36,664 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 20:03:36,664 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 20:03:36,664 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 20:03:36,664 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 20:03:36,664 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 20:03:36,664 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 20:03:36,664 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 20:03:36,664 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,664 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,665 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,665 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,665 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,665 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:36,665 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 20:03:36,665 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 20:03:36,665 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 20:03:36,665 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 20:03:36,665 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 20:03:36,665 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 20:03:36,666 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 20:03:36,666 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 20:03:36,666 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 20:03:36,666 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 20:03:36,666 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 20:03:36,666 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 20:03:36,666 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:03:36,666 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 20:03:36,667 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 20:03:36,667 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:03:36,667 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 20:03:36,667 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:03:36,667 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (and (and (<= ~a19~0 9) (<= 8 ~a19~0)) (<= main_~input~0 6) (<= 2 main_~input~0)) (not (= |old(~a1~0)| 23)) (not (= 0 ~a12~0)) (and (<= (+ ~a1~0 333899) 0) (<= ~a19~0 8)) (not (= 4 ~inputD~0)) (not (= ~a10~0 4)) (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6))) [2018-11-07 20:03:36,667 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 20:03:36,667 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 20:03:36,668 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 20:03:36,668 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 (<= (+ ~a1~0 333899) 0) (<= ~a19~0 8)) (not (= 4 ~inputD~0)) (not (= ~a10~0 4)) (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (and (<= ~a19~0 9) (<= 8 ~a19~0)) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6))) [2018-11-07 20:03:36,668 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:03:36,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:03:36 BoogieIcfgContainer [2018-11-07 20:03:36,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 20:03:36,682 INFO L168 Benchmark]: Toolchain (without parser) took 71522.48 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 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 802.3 MB. Max. memory is 7.1 GB. [2018-11-07 20:03:36,683 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 20:03:36,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-07 20:03:36,684 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -814.2 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-07 20:03:36,685 INFO L168 Benchmark]: Boogie Preprocessor took 128.86 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 20:03:36,685 INFO L168 Benchmark]: RCFGBuilder took 3218.32 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 7.1 GB. [2018-11-07 20:03:36,686 INFO L168 Benchmark]: TraceAbstraction took 67252.63 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -882.8 MB). Peak memory consumption was 742.0 MB. Max. memory is 7.1 GB. [2018-11-07 20:03:36,691 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 786.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 130.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -814.2 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.86 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3218.32 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 67252.63 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -882.8 MB). Peak memory consumption was 742.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: 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)) || (a1 + 333899 <= 0 && a19 <= 8)) || !(4 == inputD)) || !(a10 == 4)) || !(inputE == 5)) || !(3 == inputC)) || !(a4 == 14)) || !(2 == inputB)) || !(\old(a19) == 9)) || (a19 <= 9 && 8 <= a19)) || !(\old(a10) == 0)) || !(inputF == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 67.1s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 51.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 867 SDtfs, 6862 SDslu, 1135 SDs, 0 SdLazy, 9564 SolverSat, 2551 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2151 GetRequests, 2034 SyntacticMatches, 14 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2284occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.6s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9968912642742753 AbsIntWeakeningRatio, 0.1186161449752883 AbsIntAvgWeakeningVarsNumRemoved, 18.980230642504118 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 794 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 69 PreInvPairs, 127 NumberOfFragments, 313 HoareAnnotationTreeSize, 69 FomulaSimplifications, 7731 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14634 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 2516 NumberOfCodeBlocks, 2516 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 3229 ConstructedInterpolants, 0 QuantifiedInterpolants, 3037776 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1148 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 3091/3411 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...