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-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label08_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 08:21:41,305 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 08:21:41,307 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 08:21:41,320 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 08:21:41,320 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 08:21:41,321 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 08:21:41,328 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 08:21:41,332 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 08:21:41,335 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 08:21:41,335 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 08:21:41,336 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 08:21:41,340 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 08:21:41,341 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 08:21:41,344 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 08:21:41,346 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 08:21:41,347 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 08:21:41,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 08:21:41,350 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 08:21:41,352 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 08:21:41,354 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 08:21:41,355 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 08:21:41,357 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 08:21:41,359 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 08:21:41,359 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 08:21:41,360 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 08:21:41,361 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 08:21:41,362 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 08:21:41,365 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 08:21:41,366 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 08:21:41,367 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 08:21:41,367 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 08:21:41,370 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 08:21:41,370 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 08:21:41,371 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 08:21:41,372 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 08:21:41,372 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 08:21:41,375 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 08:21:41,405 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 08:21:41,405 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 08:21:41,406 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 08:21:41,406 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 08:21:41,407 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 08:21:41,408 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 08:21:41,408 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 08:21:41,408 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 08:21:41,408 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 08:21:41,408 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 08:21:41,409 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 08:21:41,409 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 08:21:41,409 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 08:21:41,409 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 08:21:41,410 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 08:21:41,411 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 08:21:41,411 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 08:21:41,411 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 08:21:41,411 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 08:21:41,411 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 08:21:41,412 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 08:21:41,412 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 08:21:41,412 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 08:21:41,412 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 08:21:41,412 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 08:21:41,413 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 08:21:41,413 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 08:21:41,413 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 08:21:41,413 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 08:21:41,413 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 08:21:41,414 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 08:21:41,414 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 08:21:41,414 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 08:21:41,414 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 08:21:41,414 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 08:21:41,415 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 08:21:41,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 08:21:41,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 08:21:41,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 08:21:41,494 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 08:21:41,495 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 08:21:41,496 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label08_true-unreach-call.c [2018-11-07 08:21:41,557 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23297f9d4/d1d4b5f16f1f4c45bb86f35a0757c8c5/FLAG50b58ef73 [2018-11-07 08:21:42,181 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 08:21:42,182 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label08_true-unreach-call.c [2018-11-07 08:21:42,201 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23297f9d4/d1d4b5f16f1f4c45bb86f35a0757c8c5/FLAG50b58ef73 [2018-11-07 08:21:42,223 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23297f9d4/d1d4b5f16f1f4c45bb86f35a0757c8c5 [2018-11-07 08:21:42,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 08:21:42,238 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 08:21:42,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 08:21:42,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 08:21:42,243 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 08:21:42,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:21:42" (1/1) ... [2018-11-07 08:21:42,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c33ac4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:42, skipping insertion in model container [2018-11-07 08:21:42,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:21:42" (1/1) ... [2018-11-07 08:21:42,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 08:21:42,342 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 08:21:42,821 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:21:42,829 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 08:21:42,966 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:21:42,995 INFO L193 MainTranslator]: Completed translation [2018-11-07 08:21:42,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:42 WrapperNode [2018-11-07 08:21:42,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 08:21:42,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 08:21:42,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 08:21:42,998 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 08:21:43,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:42" (1/1) ... [2018-11-07 08:21:43,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:42" (1/1) ... [2018-11-07 08:21:43,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 08:21:43,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 08:21:43,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 08:21:43,166 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 08:21:43,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:42" (1/1) ... [2018-11-07 08:21:43,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:42" (1/1) ... [2018-11-07 08:21:43,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:42" (1/1) ... [2018-11-07 08:21:43,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:42" (1/1) ... [2018-11-07 08:21:43,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:42" (1/1) ... [2018-11-07 08:21:43,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:42" (1/1) ... [2018-11-07 08:21:43,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:42" (1/1) ... [2018-11-07 08:21:43,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 08:21:43,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 08:21:43,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 08:21:43,286 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 08:21:43,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:42" (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 08:21:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 08:21:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 08:21:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 08:21:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 08:21:43,358 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 08:21:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 08:21:43,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 08:21:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 08:21:43,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 08:21:46,479 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 08:21:46,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:21:46 BoogieIcfgContainer [2018-11-07 08:21:46,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 08:21:46,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 08:21:46,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 08:21:46,484 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 08:21:46,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:21:42" (1/3) ... [2018-11-07 08:21:46,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26cf4d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:21:46, skipping insertion in model container [2018-11-07 08:21:46,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:21:42" (2/3) ... [2018-11-07 08:21:46,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26cf4d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:21:46, skipping insertion in model container [2018-11-07 08:21:46,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:21:46" (3/3) ... [2018-11-07 08:21:46,488 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label08_true-unreach-call.c [2018-11-07 08:21:46,496 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 08:21:46,505 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 08:21:46,523 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 08:21:46,562 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 08:21:46,562 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 08:21:46,563 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 08:21:46,563 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 08:21:46,563 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 08:21:46,564 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 08:21:46,564 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 08:21:46,564 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 08:21:46,592 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 08:21:46,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-07 08:21:46,601 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:21:46,603 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:21:46,605 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:21:46,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:21:46,612 INFO L82 PathProgramCache]: Analyzing trace with hash -247440047, now seen corresponding path program 1 times [2018-11-07 08:21:46,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:21:46,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:21:46,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:21:46,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:21:46,665 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:21:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:21:47,099 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:21:47,211 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 08:21:47,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:21:47,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 08:21:47,214 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:21:47,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 08:21:47,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 08:21:47,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 08:21:47,240 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 08:21:48,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:21:48,772 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 08:21:48,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 08:21:48,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-07 08:21:48,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:21:48,793 INFO L225 Difference]: With dead ends: 574 [2018-11-07 08:21:48,794 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 08:21:48,801 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 08:21:48,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 08:21:48,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 08:21:48,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 08:21:48,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 612 transitions. [2018-11-07 08:21:48,883 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 612 transitions. Word has length 47 [2018-11-07 08:21:48,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:21:48,884 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 612 transitions. [2018-11-07 08:21:48,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 08:21:48,884 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 612 transitions. [2018-11-07 08:21:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-07 08:21:48,893 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:21:48,893 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:21:48,894 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:21:48,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:21:48,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1218234717, now seen corresponding path program 1 times [2018-11-07 08:21:48,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:21:48,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:21:48,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:21:48,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:21:48,897 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:21:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:21:49,260 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 08:21:49,260 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:21:49,261 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:21:49,262 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 119 with the following transitions: [2018-11-07 08:21:49,264 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:21:49,311 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:21:49,311 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:21:50,069 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 08:21:50,071 INFO L272 AbstractInterpreter]: Visited 78 different actions 221 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 08:21:50,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:21:50,124 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 08:21:50,480 INFO L227 lantSequenceWeakener]: Weakened 115 states. On average, predicates are now at 76.01% of their original sizes. [2018-11-07 08:21:50,481 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 08:21:50,951 INFO L415 sIntCurrentIteration]: We unified 117 AI predicates to 117 [2018-11-07 08:21:50,951 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 08:21:50,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 08:21:50,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-11-07 08:21:50,953 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:21:50,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 08:21:50,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 08:21:50,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 08:21:50,956 INFO L87 Difference]: Start difference. First operand 356 states and 612 transitions. Second operand 10 states. [2018-11-07 08:22:48,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:22:48,778 INFO L93 Difference]: Finished difference Result 1235 states and 2215 transitions. [2018-11-07 08:22:48,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-07 08:22:48,778 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 118 [2018-11-07 08:22:48,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:22:48,785 INFO L225 Difference]: With dead ends: 1235 [2018-11-07 08:22:48,785 INFO L226 Difference]: Without dead ends: 885 [2018-11-07 08:22:48,790 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 128 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-07 08:22:48,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2018-11-07 08:22:48,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 871. [2018-11-07 08:22:48,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 871 states. [2018-11-07 08:22:48,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1219 transitions. [2018-11-07 08:22:48,847 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1219 transitions. Word has length 118 [2018-11-07 08:22:48,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:22:48,847 INFO L480 AbstractCegarLoop]: Abstraction has 871 states and 1219 transitions. [2018-11-07 08:22:48,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 08:22:48,848 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1219 transitions. [2018-11-07 08:22:48,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-07 08:22:48,856 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:22:48,858 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:22:48,859 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:22:48,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:48,859 INFO L82 PathProgramCache]: Analyzing trace with hash 2129360251, now seen corresponding path program 1 times [2018-11-07 08:22:48,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:22:48,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:48,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:22:48,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:48,861 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:22:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:22:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 152 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:49,466 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:22:49,467 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:22:49,468 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-07 08:22:49,469 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:22:49,480 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:22:49,480 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:22:49,758 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:22:49,758 INFO L272 AbstractInterpreter]: Visited 89 different actions 176 times. Merged at 7 different actions 10 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 08:22:49,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:49,766 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:22:49,766 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:22:49,766 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 08:22:49,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:22:49,778 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:22:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:22:49,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:22:50,344 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 152 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:50,344 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:22:50,710 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 152 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:50,746 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 08:22:50,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-07 08:22:50,747 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 08:22:50,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 08:22:50,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 08:22:50,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-07 08:22:50,749 INFO L87 Difference]: Start difference. First operand 871 states and 1219 transitions. Second operand 9 states. [2018-11-07 08:22:57,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:22:57,032 INFO L93 Difference]: Finished difference Result 2287 states and 3670 transitions. [2018-11-07 08:22:57,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-07 08:22:57,033 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 201 [2018-11-07 08:22:57,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:22:57,043 INFO L225 Difference]: With dead ends: 2287 [2018-11-07 08:22:57,043 INFO L226 Difference]: Without dead ends: 1030 [2018-11-07 08:22:57,060 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 405 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-07 08:22:57,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2018-11-07 08:22:57,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 1005. [2018-11-07 08:22:57,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1005 states. [2018-11-07 08:22:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1205 transitions. [2018-11-07 08:22:57,102 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1205 transitions. Word has length 201 [2018-11-07 08:22:57,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:22:57,103 INFO L480 AbstractCegarLoop]: Abstraction has 1005 states and 1205 transitions. [2018-11-07 08:22:57,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 08:22:57,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1205 transitions. [2018-11-07 08:22:57,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-07 08:22:57,109 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:22:57,109 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 08:22:57,110 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:22:57,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:57,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1694056024, now seen corresponding path program 1 times [2018-11-07 08:22:57,110 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:22:57,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:57,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:22:57,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:57,112 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:22:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:22:57,709 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:57,710 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:22:57,710 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:22:57,710 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 263 with the following transitions: [2018-11-07 08:22:57,711 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [610], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:22:57,717 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:22:57,718 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:22:58,054 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:22:58,054 INFO L272 AbstractInterpreter]: Visited 125 different actions 368 times. Merged at 7 different actions 17 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 08:22:58,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:58,092 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:22:58,092 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:22:58,093 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 08:22:58,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:22:58,111 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:22:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:22:58,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:22:58,619 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:58,619 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:22:58,789 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:58,809 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 08:22:58,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-07 08:22:58,809 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 08:22:58,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 08:22:58,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 08:22:58,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-07 08:22:58,811 INFO L87 Difference]: Start difference. First operand 1005 states and 1205 transitions. Second operand 9 states. [2018-11-07 08:23:01,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:23:01,012 INFO L93 Difference]: Finished difference Result 2545 states and 3381 transitions. [2018-11-07 08:23:01,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 08:23:01,014 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 262 [2018-11-07 08:23:01,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:23:01,033 INFO L225 Difference]: With dead ends: 2545 [2018-11-07 08:23:01,033 INFO L226 Difference]: Without dead ends: 1690 [2018-11-07 08:23:01,038 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 521 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=175, Invalid=377, Unknown=0, NotChecked=0, Total=552 [2018-11-07 08:23:01,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2018-11-07 08:23:01,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1636. [2018-11-07 08:23:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2018-11-07 08:23:01,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2045 transitions. [2018-11-07 08:23:01,112 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2045 transitions. Word has length 262 [2018-11-07 08:23:01,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:23:01,113 INFO L480 AbstractCegarLoop]: Abstraction has 1636 states and 2045 transitions. [2018-11-07 08:23:01,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 08:23:01,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2045 transitions. [2018-11-07 08:23:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-07 08:23:01,120 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:23:01,120 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:23:01,121 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:23:01,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:23:01,121 INFO L82 PathProgramCache]: Analyzing trace with hash -827410316, now seen corresponding path program 1 times [2018-11-07 08:23:01,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:23:01,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:01,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:23:01,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:01,123 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:23:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:23:01,415 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:23:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 81 proven. 46 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-07 08:23:01,509 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:23:01,509 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:23:01,509 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 285 with the following transitions: [2018-11-07 08:23:01,509 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [698], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:23:01,514 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:23:01,515 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:23:01,820 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 08:23:01,821 INFO L272 AbstractInterpreter]: Visited 129 different actions 252 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 08:23:01,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:23:01,859 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 08:23:02,223 INFO L227 lantSequenceWeakener]: Weakened 281 states. On average, predicates are now at 78.1% of their original sizes. [2018-11-07 08:23:02,225 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 08:23:02,899 INFO L415 sIntCurrentIteration]: We unified 283 AI predicates to 283 [2018-11-07 08:23:02,899 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 08:23:02,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 08:23:02,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 08:23:02,900 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:23:02,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 08:23:02,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 08:23:02,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 08:23:02,901 INFO L87 Difference]: Start difference. First operand 1636 states and 2045 transitions. Second operand 10 states. [2018-11-07 08:23:22,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:23:22,539 INFO L93 Difference]: Finished difference Result 3038 states and 3713 transitions. [2018-11-07 08:23:22,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-07 08:23:22,539 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 284 [2018-11-07 08:23:22,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:23:22,550 INFO L225 Difference]: With dead ends: 3038 [2018-11-07 08:23:22,550 INFO L226 Difference]: Without dead ends: 1577 [2018-11-07 08:23:22,554 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 294 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-07 08:23:22,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2018-11-07 08:23:22,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1520. [2018-11-07 08:23:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1520 states. [2018-11-07 08:23:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1520 states and 1742 transitions. [2018-11-07 08:23:22,602 INFO L78 Accepts]: Start accepts. Automaton has 1520 states and 1742 transitions. Word has length 284 [2018-11-07 08:23:22,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:23:22,604 INFO L480 AbstractCegarLoop]: Abstraction has 1520 states and 1742 transitions. [2018-11-07 08:23:22,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 08:23:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1742 transitions. [2018-11-07 08:23:22,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-07 08:23:22,612 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:23:22,613 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 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 08:23:22,613 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:23:22,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:23:22,613 INFO L82 PathProgramCache]: Analyzing trace with hash 619603937, now seen corresponding path program 1 times [2018-11-07 08:23:22,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:23:22,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:22,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:23:22,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:22,616 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:23:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:23:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-11-07 08:23:22,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:23:22,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 08:23:22,941 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:23:22,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 08:23:22,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 08:23:22,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 08:23:22,942 INFO L87 Difference]: Start difference. First operand 1520 states and 1742 transitions. Second operand 4 states. [2018-11-07 08:23:23,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:23:23,867 INFO L93 Difference]: Finished difference Result 1668 states and 1899 transitions. [2018-11-07 08:23:23,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 08:23:23,869 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 340 [2018-11-07 08:23:23,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:23:23,870 INFO L225 Difference]: With dead ends: 1668 [2018-11-07 08:23:23,870 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 08:23:23,874 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 08:23:23,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 08:23:23,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 08:23:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 08:23:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 08:23:23,875 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 340 [2018-11-07 08:23:23,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:23:23,875 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 08:23:23,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 08:23:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 08:23:23,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 08:23:23,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 08:23:23,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:23:23,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:23:23,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:23:23,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:23:23,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:23:23,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:23:23,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:23:24,304 WARN L179 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 15 [2018-11-07 08:23:24,501 WARN L179 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2018-11-07 08:23:24,962 WARN L179 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 59 [2018-11-07 08:23:25,156 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 38 [2018-11-07 08:23:25,159 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 08:23:25,159 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0)) [2018-11-07 08:23:25,160 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 08:23:25,160 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 08:23:25,160 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,160 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,160 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,160 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,160 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,160 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,160 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 08:23:25,160 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 08:23:25,160 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 08:23:25,161 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 08:23:25,161 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 08:23:25,161 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 08:23:25,161 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 08:23:25,161 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 08:23:25,161 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 08:23:25,161 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 08:23:25,161 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 08:23:25,161 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,161 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,161 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,162 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,162 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,162 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 08:23:25,162 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 08:23:25,162 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 08:23:25,162 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 08:23:25,162 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 08:23:25,162 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 08:23:25,163 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 08:23:25,163 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 08:23:25,163 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 08:23:25,163 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 08:23:25,163 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 08:23:25,163 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2018-11-07 08:23:25,163 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 08:23:25,163 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 08:23:25,163 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 08:23:25,163 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,163 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,164 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,164 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,164 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,164 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 08:23:25,164 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 08:23:25,164 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 08:23:25,164 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 08:23:25,165 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 08:23:25,165 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 08:23:25,165 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 08:23:25,165 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 08:23:25,165 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 08:23:25,165 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 08:23:25,165 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,165 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,166 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,166 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,166 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,166 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 08:23:25,166 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 08:23:25,166 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 08:23:25,166 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 08:23:25,166 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 08:23:25,167 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 08:23:25,167 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 08:23:25,167 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 08:23:25,167 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 08:23:25,167 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 08:23:25,167 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 08:23:25,167 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 08:23:25,167 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 08:23:25,168 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,168 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,168 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,168 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,168 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,168 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 08:23:25,168 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 08:23:25,168 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 08:23:25,169 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 08:23:25,169 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 08:23:25,169 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 08:23:25,169 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 08:23:25,169 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 08:23:25,169 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 08:23:25,169 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,169 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,170 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,170 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,170 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,170 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,170 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,170 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 08:23:25,170 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 08:23:25,170 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 08:23:25,170 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 08:23:25,170 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 08:23:25,170 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 08:23:25,171 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 08:23:25,171 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 08:23:25,171 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 08:23:25,171 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 08:23:25,171 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 08:23:25,171 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 08:23:25,171 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 08:23:25,171 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,171 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,171 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,172 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,172 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,172 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 08:23:25,172 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,172 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 08:23:25,172 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 08:23:25,172 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 08:23:25,172 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 08:23:25,172 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 08:23:25,173 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 08:23:25,173 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 08:23:25,173 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 08:23:25,173 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 08:23:25,173 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 08:23:25,173 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 08:23:25,173 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 08:23:25,173 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 08:23:25,173 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,173 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,173 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,174 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,174 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,174 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,174 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 08:23:25,174 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 08:23:25,174 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 08:23:25,174 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 08:23:25,174 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 08:23:25,174 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 08:23:25,174 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 08:23:25,174 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 08:23:25,175 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 08:23:25,175 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 08:23:25,175 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 08:23:25,175 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= |old(~a10~0)| ~a10~0)) (.cse1 (= |old(~a19~0)| ~a19~0)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= 0 ~a12~0))) (.cse4 (not (= 9 |old(~a19~0)|))) (.cse5 (= |calculate_output_#in~input| 0))) (and (or (not (= 8 |old(~a19~0)|)) (= 8 ~a19~0)) (or (not (= 7 |old(~a19~0)|)) (and (= 7 ~a19~0) .cse0)) (or (and .cse1 .cse0) (= 6 |old(~a19~0)|) (< 1 |old(~a10~0)|)) (or (and (= ~a19~0 9) .cse0) .cse2 .cse3 .cse4 .cse5) (or (< 8 |old(~a19~0)|) (= 2 |old(~a10~0)|) (and (not (= ~a10~0 2)) .cse1)) (or (or .cse2 .cse3 (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) .cse4 (= ~a1~0 23) .cse5))) [2018-11-07 08:23:25,175 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 08:23:25,175 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 08:23:25,175 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 08:23:25,175 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,176 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,176 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,176 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,176 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,176 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,176 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 08:23:25,176 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 08:23:25,176 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 08:23:25,176 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 08:23:25,176 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 08:23:25,176 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 08:23:25,177 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 08:23:25,177 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 08:23:25,177 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 08:23:25,177 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 08:23:25,177 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 08:23:25,177 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 08:23:25,177 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 08:23:25,177 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,177 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,177 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,177 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,177 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,177 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,178 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 08:23:25,178 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 08:23:25,178 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 08:23:25,178 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 08:23:25,178 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 08:23:25,178 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 08:23:25,178 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 08:23:25,178 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 08:23:25,179 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 08:23:25,179 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 08:23:25,179 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 08:23:25,179 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 08:23:25,179 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,179 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,179 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,179 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,179 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,180 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:23:25,180 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 08:23:25,180 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 08:23:25,180 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 08:23:25,180 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 08:23:25,180 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 08:23:25,180 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 08:23:25,180 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 08:23:25,180 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 08:23:25,181 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 08:23:25,181 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 08:23:25,181 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 08:23:25,181 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 08:23:25,181 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 08:23:25,181 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-07 08:23:25,181 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 08:23:25,182 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 08:23:25,182 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|)) (and (= ~a19~0 9) (= ~a1~0 23) (= |old(~a10~0)| ~a10~0))) [2018-11-07 08:23:25,182 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 08:23:25,182 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (= 8 ~a19~0) (not (= 14 ~a4~0)) (and (not (= ~a10~0 2)) (<= ~a19~0 8)) (and (not (= main_~input~0 0)) (= ~a19~0 9)) (not (= 23 |old(~a1~0)|)) (= 7 ~a19~0) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (<= ~a10~0 1) (not (= 0 |old(~a10~0)|))) [2018-11-07 08:23:25,182 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 08:23:25,182 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 08:23:25,182 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 08:23:25,182 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (or (= 8 ~a19~0) (= ~a19~0 9) (not (= 14 ~a4~0)) (and (not (= ~a10~0 2)) (<= ~a19~0 8)) (not (= 23 |old(~a1~0)|)) (= 7 ~a19~0) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (<= ~a10~0 1) (not (= 0 |old(~a10~0)|))) [2018-11-07 08:23:25,183 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 08:23:25,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:23:25 BoogieIcfgContainer [2018-11-07 08:23:25,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 08:23:25,196 INFO L168 Benchmark]: Toolchain (without parser) took 102958.73 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-11-07 08:23:25,197 INFO L168 Benchmark]: CDTParser took 0.20 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 08:23:25,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.41 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 08:23:25,199 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.76 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -842.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2018-11-07 08:23:25,200 INFO L168 Benchmark]: Boogie Preprocessor took 119.80 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2018-11-07 08:23:25,201 INFO L168 Benchmark]: RCFGBuilder took 3194.37 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: 102.6 MB). Peak memory consumption was 102.6 MB. Max. memory is 7.1 GB. [2018-11-07 08:23:25,201 INFO L168 Benchmark]: TraceAbstraction took 98714.62 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -824.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-11-07 08:23:25,213 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 756.41 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 167.76 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -842.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.80 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3194.37 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: 102.6 MB). Peak memory consumption was 102.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 98714.62 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -824.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((8 == a19 || a19 == 9) || !(14 == a4)) || (!(a10 == 2) && a19 <= 8)) || !(23 == \old(a1))) || 7 == a19) || !(0 == a12)) || !(9 == \old(a19))) || a10 <= 1) || !(0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 98.6s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 88.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 554 SDtfs, 4027 SDslu, 1146 SDs, 0 SdLazy, 7204 SolverSat, 1419 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 63.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1399 GetRequests, 1315 SyntacticMatches, 4 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1636occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9967516540906631 AbsIntWeakeningRatio, 0.115 AbsIntAvgWeakeningVarsNumRemoved, 13.685 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 150 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 60 PreInvPairs, 100 NumberOfFragments, 245 HoareAnnotationTreeSize, 60 FomulaSimplifications, 2411 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 694 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1715 NumberOfCodeBlocks, 1715 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 2168 ConstructedInterpolants, 0 QuantifiedInterpolants, 1333383 SizeOfPredicates, 0 NumberOfNonLiveVariables, 815 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 1516/1610 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...