java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:39:09,426 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:39:09,428 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:39:09,442 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:39:09,442 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:39:09,444 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:39:09,445 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:39:09,448 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:39:09,450 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:39:09,451 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:39:09,459 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:39:09,459 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:39:09,460 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:39:09,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:39:09,466 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:39:09,468 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:39:09,469 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:39:09,471 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:39:09,477 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:39:09,482 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:39:09,484 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:39:09,489 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:39:09,492 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:39:09,492 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:39:09,492 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:39:09,494 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:39:09,495 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:39:09,496 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:39:09,497 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:39:09,498 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:39:09,498 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:39:09,501 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-07 18:39:09,505 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 18:39:09,528 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:39:09,529 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:39:09,530 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:39:09,530 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:39:09,531 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:39:09,531 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:39:09,531 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:39:09,531 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:39:09,531 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:39:09,532 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:39:09,532 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:39:09,532 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:39:09,532 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:39:09,533 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:39:09,533 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:39:09,534 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:39:09,534 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:39:09,534 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:39:09,534 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:39:09,534 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:39:09,535 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:39:09,535 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:39:09,535 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:39:09,535 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:39:09,535 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:39:09,535 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:39:09,537 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:39:09,538 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:39:09,538 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:39:09,538 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:39:09,538 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:39:09,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:39:09,539 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:39:09,539 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:39:09,539 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:39:09,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:39:09,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:39:09,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:39:09,608 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:39:09,609 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:39:09,610 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-07 18:39:09,681 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee873a07f/1da7bcce1d94442598ef8d0f2d18ab6d/FLAGa2603c88d [2018-11-07 18:39:10,308 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:39:10,309 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-07 18:39:10,344 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee873a07f/1da7bcce1d94442598ef8d0f2d18ab6d/FLAGa2603c88d [2018-11-07 18:39:10,361 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee873a07f/1da7bcce1d94442598ef8d0f2d18ab6d [2018-11-07 18:39:10,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:39:10,374 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:39:10,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:39:10,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:39:10,380 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:39:10,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:39:10" (1/1) ... [2018-11-07 18:39:10,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ab8b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:39:10, skipping insertion in model container [2018-11-07 18:39:10,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:39:10" (1/1) ... [2018-11-07 18:39:10,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:39:10,463 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:39:10,928 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:39:10,932 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:39:11,050 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:39:11,070 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:39:11,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:39:11 WrapperNode [2018-11-07 18:39:11,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:39:11,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:39:11,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:39:11,072 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:39:11,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:39:11" (1/1) ... [2018-11-07 18:39:11,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:39:11" (1/1) ... [2018-11-07 18:39:11,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:39:11,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:39:11,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:39:11,223 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:39:11,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:39:11" (1/1) ... [2018-11-07 18:39:11,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:39:11" (1/1) ... [2018-11-07 18:39:11,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:39:11" (1/1) ... [2018-11-07 18:39:11,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:39:11" (1/1) ... [2018-11-07 18:39:11,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:39:11" (1/1) ... [2018-11-07 18:39:11,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:39:11" (1/1) ... [2018-11-07 18:39:11,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:39:11" (1/1) ... [2018-11-07 18:39:11,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:39:11,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:39:11,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:39:11,310 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:39:11,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:39:11" (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 18:39:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:39:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:39:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:39:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:39:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:39:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:39:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:39:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:39:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:39:14,521 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:39:14,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:39:14 BoogieIcfgContainer [2018-11-07 18:39:14,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:39:14,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:39:14,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:39:14,530 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:39:14,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:39:10" (1/3) ... [2018-11-07 18:39:14,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203be3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:39:14, skipping insertion in model container [2018-11-07 18:39:14,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:39:11" (2/3) ... [2018-11-07 18:39:14,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@203be3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:39:14, skipping insertion in model container [2018-11-07 18:39:14,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:39:14" (3/3) ... [2018-11-07 18:39:14,535 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label14_true-unreach-call_false-termination.c [2018-11-07 18:39:14,545 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:39:14,552 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:39:14,566 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:39:14,605 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:39:14,605 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:39:14,605 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:39:14,606 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:39:14,606 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:39:14,608 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:39:14,608 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:39:14,608 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:39:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 18:39:14,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-07 18:39:14,665 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:39:14,667 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:39:14,669 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:39:14,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:14,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1783775568, now seen corresponding path program 1 times [2018-11-07 18:39:14,677 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:39:14,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:14,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:39:14,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:14,727 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:39:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:39:15,433 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 18:39:15,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:39:15,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:39:15,436 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:39:15,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:39:15,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:39:15,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:39:15,464 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 18:39:16,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:39:16,894 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 18:39:16,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:39:16,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-11-07 18:39:16,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:39:16,914 INFO L225 Difference]: With dead ends: 550 [2018-11-07 18:39:16,914 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 18:39:16,924 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:39:16,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 18:39:16,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 18:39:17,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 18:39:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 541 transitions. [2018-11-07 18:39:17,006 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 541 transitions. Word has length 138 [2018-11-07 18:39:17,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:39:17,007 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 541 transitions. [2018-11-07 18:39:17,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:39:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 541 transitions. [2018-11-07 18:39:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-07 18:39:17,015 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:39:17,015 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:39:17,016 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:39:17,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:17,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1808650351, now seen corresponding path program 1 times [2018-11-07 18:39:17,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:39:17,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:17,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:39:17,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:17,019 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:39:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:39:17,312 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:39:17,398 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:39:17,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:39:17,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:39:17,399 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:39:17,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:39:17,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:39:17,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:39:17,402 INFO L87 Difference]: Start difference. First operand 340 states and 541 transitions. Second operand 6 states. [2018-11-07 18:39:19,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:39:19,190 INFO L93 Difference]: Finished difference Result 1075 states and 1784 transitions. [2018-11-07 18:39:19,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:39:19,193 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-07 18:39:19,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:39:19,203 INFO L225 Difference]: With dead ends: 1075 [2018-11-07 18:39:19,203 INFO L226 Difference]: Without dead ends: 741 [2018-11-07 18:39:19,209 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:39:19,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-07 18:39:19,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-07 18:39:19,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-07 18:39:19,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1120 transitions. [2018-11-07 18:39:19,281 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1120 transitions. Word has length 149 [2018-11-07 18:39:19,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:39:19,281 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1120 transitions. [2018-11-07 18:39:19,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:39:19,281 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1120 transitions. [2018-11-07 18:39:19,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-07 18:39:19,287 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:39:19,287 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:39:19,288 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:39:19,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:19,288 INFO L82 PathProgramCache]: Analyzing trace with hash 2122506691, now seen corresponding path program 1 times [2018-11-07 18:39:19,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:39:19,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:19,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:39:19,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:19,290 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:39:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:39:19,701 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-07 18:39:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:39:19,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:39:19,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 18:39:19,891 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:39:19,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 18:39:19,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 18:39:19,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 18:39:19,893 INFO L87 Difference]: Start difference. First operand 724 states and 1120 transitions. Second operand 5 states. [2018-11-07 18:39:22,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:39:22,221 INFO L93 Difference]: Finished difference Result 1578 states and 2483 transitions. [2018-11-07 18:39:22,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 18:39:22,222 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2018-11-07 18:39:22,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:39:22,231 INFO L225 Difference]: With dead ends: 1578 [2018-11-07 18:39:22,231 INFO L226 Difference]: Without dead ends: 721 [2018-11-07 18:39:22,235 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 18:39:22,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-07 18:39:22,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-11-07 18:39:22,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-11-07 18:39:22,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1044 transitions. [2018-11-07 18:39:22,275 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1044 transitions. Word has length 150 [2018-11-07 18:39:22,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:39:22,276 INFO L480 AbstractCegarLoop]: Abstraction has 721 states and 1044 transitions. [2018-11-07 18:39:22,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 18:39:22,276 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1044 transitions. [2018-11-07 18:39:22,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-07 18:39:22,281 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:39:22,281 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:39:22,281 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:39:22,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:22,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1419468101, now seen corresponding path program 1 times [2018-11-07 18:39:22,282 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:39:22,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:22,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:39:22,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:22,283 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:39:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:39:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:39:22,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:39:22,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:39:22,479 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:39:22,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:39:22,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:39:22,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:39:22,481 INFO L87 Difference]: Start difference. First operand 721 states and 1044 transitions. Second operand 3 states. [2018-11-07 18:39:24,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:39:24,394 INFO L93 Difference]: Finished difference Result 2069 states and 3084 transitions. [2018-11-07 18:39:24,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:39:24,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-11-07 18:39:24,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:39:24,403 INFO L225 Difference]: With dead ends: 2069 [2018-11-07 18:39:24,403 INFO L226 Difference]: Without dead ends: 1354 [2018-11-07 18:39:24,408 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:39:24,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2018-11-07 18:39:24,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1347. [2018-11-07 18:39:24,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2018-11-07 18:39:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1892 transitions. [2018-11-07 18:39:24,461 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1892 transitions. Word has length 154 [2018-11-07 18:39:24,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:39:24,461 INFO L480 AbstractCegarLoop]: Abstraction has 1347 states and 1892 transitions. [2018-11-07 18:39:24,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:39:24,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1892 transitions. [2018-11-07 18:39:24,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-07 18:39:24,469 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:39:24,470 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:39:24,470 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:39:24,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:24,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1446107199, now seen corresponding path program 1 times [2018-11-07 18:39:24,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:39:24,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:24,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:39:24,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:24,472 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:39:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:39:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:39:24,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:39:24,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 18:39:24,780 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:39:24,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 18:39:24,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 18:39:24,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 18:39:24,781 INFO L87 Difference]: Start difference. First operand 1347 states and 1892 transitions. Second operand 4 states. [2018-11-07 18:39:26,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:39:26,190 INFO L93 Difference]: Finished difference Result 3232 states and 4626 transitions. [2018-11-07 18:39:26,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 18:39:26,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 173 [2018-11-07 18:39:26,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:39:26,201 INFO L225 Difference]: With dead ends: 3232 [2018-11-07 18:39:26,202 INFO L226 Difference]: Without dead ends: 1891 [2018-11-07 18:39:26,209 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 18:39:26,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2018-11-07 18:39:26,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1891. [2018-11-07 18:39:26,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1891 states. [2018-11-07 18:39:26,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 2551 transitions. [2018-11-07 18:39:26,260 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 2551 transitions. Word has length 173 [2018-11-07 18:39:26,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:39:26,260 INFO L480 AbstractCegarLoop]: Abstraction has 1891 states and 2551 transitions. [2018-11-07 18:39:26,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 18:39:26,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2551 transitions. [2018-11-07 18:39:26,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-07 18:39:26,269 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:39:26,269 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:39:26,270 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:39:26,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:26,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1915591307, now seen corresponding path program 1 times [2018-11-07 18:39:26,270 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:39:26,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:26,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:39:26,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:26,272 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:39:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:39:26,532 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 72 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-07 18:39:26,533 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:39:26,533 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:39:26,534 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-11-07 18:39:26,536 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:39:26,590 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:39:26,590 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:39:27,319 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:39:27,320 INFO L272 AbstractInterpreter]: Visited 70 different actions 70 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-11-07 18:39:27,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:27,369 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:39:27,961 INFO L227 lantSequenceWeakener]: Weakened 118 states. On average, predicates are now at 79.71% of their original sizes. [2018-11-07 18:39:27,962 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:39:28,851 INFO L415 sIntCurrentIteration]: We unified 199 AI predicates to 199 [2018-11-07 18:39:28,851 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:39:28,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:39:28,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2018-11-07 18:39:28,852 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:39:28,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-07 18:39:28,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-07 18:39:28,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-11-07 18:39:28,853 INFO L87 Difference]: Start difference. First operand 1891 states and 2551 transitions. Second operand 12 states. [2018-11-07 18:39:39,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:39:39,867 INFO L93 Difference]: Finished difference Result 3837 states and 5174 transitions. [2018-11-07 18:39:39,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 18:39:39,867 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 200 [2018-11-07 18:39:39,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:39:39,879 INFO L225 Difference]: With dead ends: 3837 [2018-11-07 18:39:39,880 INFO L226 Difference]: Without dead ends: 1952 [2018-11-07 18:39:39,887 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-11-07 18:39:39,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2018-11-07 18:39:39,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1952. [2018-11-07 18:39:39,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1952 states. [2018-11-07 18:39:39,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2617 transitions. [2018-11-07 18:39:39,951 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2617 transitions. Word has length 200 [2018-11-07 18:39:39,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:39:39,952 INFO L480 AbstractCegarLoop]: Abstraction has 1952 states and 2617 transitions. [2018-11-07 18:39:39,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-07 18:39:39,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2617 transitions. [2018-11-07 18:39:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-07 18:39:39,962 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:39:39,962 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:39:39,963 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:39:39,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:39,963 INFO L82 PathProgramCache]: Analyzing trace with hash 191855448, now seen corresponding path program 1 times [2018-11-07 18:39:39,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:39:39,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:39,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:39:39,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:39,965 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:39:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:39:40,740 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 90 proven. 41 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 18:39:40,740 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:39:40,741 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:39:40,741 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-11-07 18:39:40,741 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:39:40,748 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:39:40,748 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:39:41,402 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:39:41,403 INFO L272 AbstractInterpreter]: Visited 144 different actions 212 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 18:39:41,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:41,447 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:39:42,406 INFO L227 lantSequenceWeakener]: Weakened 109 states. On average, predicates are now at 81.38% of their original sizes. [2018-11-07 18:39:42,406 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:39:44,505 INFO L415 sIntCurrentIteration]: We unified 208 AI predicates to 208 [2018-11-07 18:39:44,505 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:39:44,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:39:44,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [9] total 26 [2018-11-07 18:39:44,506 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:39:44,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-07 18:39:44,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-07 18:39:44,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:39:44,507 INFO L87 Difference]: Start difference. First operand 1952 states and 2617 transitions. Second operand 19 states. [2018-11-07 18:39:58,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:39:58,699 INFO L93 Difference]: Finished difference Result 4122 states and 5493 transitions. [2018-11-07 18:39:58,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-07 18:39:58,700 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 209 [2018-11-07 18:39:58,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:39:58,712 INFO L225 Difference]: With dead ends: 4122 [2018-11-07 18:39:58,712 INFO L226 Difference]: Without dead ends: 2237 [2018-11-07 18:39:58,721 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 220 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2018-11-07 18:39:58,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2237 states. [2018-11-07 18:39:58,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2237 to 2226. [2018-11-07 18:39:58,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2226 states. [2018-11-07 18:39:58,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 2226 states and 2911 transitions. [2018-11-07 18:39:58,809 INFO L78 Accepts]: Start accepts. Automaton has 2226 states and 2911 transitions. Word has length 209 [2018-11-07 18:39:58,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:39:58,810 INFO L480 AbstractCegarLoop]: Abstraction has 2226 states and 2911 transitions. [2018-11-07 18:39:58,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-07 18:39:58,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2911 transitions. [2018-11-07 18:39:58,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-07 18:39:58,821 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:39:58,821 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:39:58,822 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:39:58,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:58,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1827509815, now seen corresponding path program 1 times [2018-11-07 18:39:58,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:39:58,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:58,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:39:58,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:58,824 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:39:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:39:59,628 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 18:39:59,822 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 18:39:59,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:39:59,823 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:39:59,823 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-11-07 18:39:59,824 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:39:59,836 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:39:59,836 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:40:00,505 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:40:00,505 INFO L272 AbstractInterpreter]: Visited 143 different actions 210 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 18:40:00,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:40:00,537 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:40:01,615 INFO L227 lantSequenceWeakener]: Weakened 122 states. On average, predicates are now at 81.22% of their original sizes. [2018-11-07 18:40:01,615 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:40:02,244 INFO L415 sIntCurrentIteration]: We unified 221 AI predicates to 221 [2018-11-07 18:40:02,245 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:40:02,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:40:02,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-11-07 18:40:02,245 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:40:02,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 18:40:02,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 18:40:02,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-11-07 18:40:02,247 INFO L87 Difference]: Start difference. First operand 2226 states and 2911 transitions. Second operand 15 states. [2018-11-07 18:40:16,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:40:16,845 INFO L93 Difference]: Finished difference Result 4529 states and 6007 transitions. [2018-11-07 18:40:16,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 18:40:16,846 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2018-11-07 18:40:16,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:40:16,858 INFO L225 Difference]: With dead ends: 4529 [2018-11-07 18:40:16,858 INFO L226 Difference]: Without dead ends: 2644 [2018-11-07 18:40:16,864 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 227 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2018-11-07 18:40:16,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2644 states. [2018-11-07 18:40:16,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2644 to 2500. [2018-11-07 18:40:16,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2500 states. [2018-11-07 18:40:16,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2500 states and 3205 transitions. [2018-11-07 18:40:16,928 INFO L78 Accepts]: Start accepts. Automaton has 2500 states and 3205 transitions. Word has length 222 [2018-11-07 18:40:16,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:40:16,929 INFO L480 AbstractCegarLoop]: Abstraction has 2500 states and 3205 transitions. [2018-11-07 18:40:16,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 18:40:16,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 3205 transitions. [2018-11-07 18:40:16,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-07 18:40:16,939 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:40:16,939 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:40:16,940 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:40:16,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:40:16,940 INFO L82 PathProgramCache]: Analyzing trace with hash 679256940, now seen corresponding path program 1 times [2018-11-07 18:40:16,940 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:40:16,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:40:16,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:40:16,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:40:16,942 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:40:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:40:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 92 proven. 46 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-07 18:40:17,169 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:40:17,169 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:40:17,169 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 232 with the following transitions: [2018-11-07 18:40:17,170 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:40:17,173 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:40:17,173 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:40:18,460 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:40:18,461 INFO L272 AbstractInterpreter]: Visited 145 different actions 655 times. Merged at 9 different actions 48 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 18:40:18,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:40:18,469 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:40:18,469 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:40:18,469 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 18:40:18,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:40:18,479 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:40:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:40:18,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:40:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-07 18:40:18,849 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:40:19,222 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 18:40:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 98 proven. 38 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-07 18:40:19,929 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:40:19,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-07 18:40:19,930 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:40:19,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:40:19,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:40:19,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-07 18:40:19,932 INFO L87 Difference]: Start difference. First operand 2500 states and 3205 transitions. Second operand 11 states. [2018-11-07 18:40:24,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:40:24,909 INFO L93 Difference]: Finished difference Result 8879 states and 12214 transitions. [2018-11-07 18:40:24,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 18:40:24,910 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 231 [2018-11-07 18:40:24,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:40:24,941 INFO L225 Difference]: With dead ends: 8879 [2018-11-07 18:40:24,941 INFO L226 Difference]: Without dead ends: 6720 [2018-11-07 18:40:24,957 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 465 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-07 18:40:24,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6720 states. [2018-11-07 18:40:25,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6720 to 6571. [2018-11-07 18:40:25,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6571 states. [2018-11-07 18:40:25,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 8399 transitions. [2018-11-07 18:40:25,149 INFO L78 Accepts]: Start accepts. Automaton has 6571 states and 8399 transitions. Word has length 231 [2018-11-07 18:40:25,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:40:25,150 INFO L480 AbstractCegarLoop]: Abstraction has 6571 states and 8399 transitions. [2018-11-07 18:40:25,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:40:25,150 INFO L276 IsEmpty]: Start isEmpty. Operand 6571 states and 8399 transitions. [2018-11-07 18:40:25,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-07 18:40:25,177 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:40:25,177 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:40:25,178 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:40:25,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:40:25,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1037593579, now seen corresponding path program 1 times [2018-11-07 18:40:25,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:40:25,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:40:25,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:40:25,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:40:25,180 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:40:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:40:25,720 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 18:40:25,816 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 120 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-07 18:40:25,816 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:40:25,816 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:40:25,816 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 249 with the following transitions: [2018-11-07 18:40:25,817 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:40:25,819 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:40:25,819 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:40:26,797 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:40:26,797 INFO L272 AbstractInterpreter]: Visited 143 different actions 212 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 18:40:26,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:40:26,839 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:40:27,659 INFO L227 lantSequenceWeakener]: Weakened 153 states. On average, predicates are now at 80.47% of their original sizes. [2018-11-07 18:40:27,659 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:40:28,316 INFO L415 sIntCurrentIteration]: We unified 247 AI predicates to 247 [2018-11-07 18:40:28,316 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:40:28,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:40:28,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-07 18:40:28,317 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:40:28,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 18:40:28,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 18:40:28,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-07 18:40:28,318 INFO L87 Difference]: Start difference. First operand 6571 states and 8399 transitions. Second operand 18 states. [2018-11-07 18:40:41,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:40:41,544 INFO L93 Difference]: Finished difference Result 12802 states and 16463 transitions. [2018-11-07 18:40:41,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-07 18:40:41,544 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 248 [2018-11-07 18:40:41,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:40:41,572 INFO L225 Difference]: With dead ends: 12802 [2018-11-07 18:40:41,572 INFO L226 Difference]: Without dead ends: 6710 [2018-11-07 18:40:41,591 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 256 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2018-11-07 18:40:41,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6710 states. [2018-11-07 18:40:41,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6710 to 6709. [2018-11-07 18:40:41,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6709 states. [2018-11-07 18:40:41,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6709 states to 6709 states and 8544 transitions. [2018-11-07 18:40:41,760 INFO L78 Accepts]: Start accepts. Automaton has 6709 states and 8544 transitions. Word has length 248 [2018-11-07 18:40:41,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:40:41,761 INFO L480 AbstractCegarLoop]: Abstraction has 6709 states and 8544 transitions. [2018-11-07 18:40:41,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 18:40:41,761 INFO L276 IsEmpty]: Start isEmpty. Operand 6709 states and 8544 transitions. [2018-11-07 18:40:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-07 18:40:41,787 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:40:41,787 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:40:41,788 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:40:41,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:40:41,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1458725959, now seen corresponding path program 1 times [2018-11-07 18:40:41,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:40:41,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:40:41,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:40:41,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:40:41,790 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:40:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:40:42,687 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 118 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-07 18:40:42,687 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:40:42,688 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:40:42,688 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 256 with the following transitions: [2018-11-07 18:40:42,688 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:40:42,691 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:40:42,692 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:40:44,190 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:40:44,190 INFO L272 AbstractInterpreter]: Visited 146 different actions 669 times. Merged at 10 different actions 57 times. Widened at 1 different actions 1 times. Found 14 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 18:40:44,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:40:44,200 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:40:44,200 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:40:44,200 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 18:40:44,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:40:44,209 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:40:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:40:44,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:40:44,415 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-07 18:40:44,415 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:40:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-07 18:40:44,614 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:40:44,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-07 18:40:44,614 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:40:44,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-07 18:40:44,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-07 18:40:44,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-07 18:40:44,616 INFO L87 Difference]: Start difference. First operand 6709 states and 8544 transitions. Second operand 12 states. [2018-11-07 18:40:49,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:40:49,926 INFO L93 Difference]: Finished difference Result 16319 states and 22036 transitions. [2018-11-07 18:40:49,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-07 18:40:49,926 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 255 [2018-11-07 18:40:49,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:40:49,976 INFO L225 Difference]: With dead ends: 16319 [2018-11-07 18:40:49,977 INFO L226 Difference]: Without dead ends: 9815 [2018-11-07 18:40:50,007 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 535 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=411, Invalid=1395, Unknown=0, NotChecked=0, Total=1806 [2018-11-07 18:40:50,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9815 states. [2018-11-07 18:40:50,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9815 to 9551. [2018-11-07 18:40:50,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9551 states. [2018-11-07 18:40:50,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9551 states to 9551 states and 12242 transitions. [2018-11-07 18:40:50,385 INFO L78 Accepts]: Start accepts. Automaton has 9551 states and 12242 transitions. Word has length 255 [2018-11-07 18:40:50,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:40:50,386 INFO L480 AbstractCegarLoop]: Abstraction has 9551 states and 12242 transitions. [2018-11-07 18:40:50,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-07 18:40:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 9551 states and 12242 transitions. [2018-11-07 18:40:50,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-07 18:40:50,435 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:40:50,435 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:40:50,436 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:40:50,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:40:50,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1683838344, now seen corresponding path program 1 times [2018-11-07 18:40:50,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:40:50,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:40:50,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:40:50,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:40:50,437 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:40:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:40:51,101 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 173 proven. 51 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-07 18:40:51,101 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:40:51,101 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:40:51,101 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-11-07 18:40:51,102 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:40:51,104 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:40:51,104 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:40:58,349 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:40:58,350 INFO L272 AbstractInterpreter]: Visited 145 different actions 3447 times. Merged at 9 different actions 293 times. Widened at 1 different actions 21 times. Found 67 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 18:40:58,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:40:58,351 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:40:58,351 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:40:58,351 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:40:58,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:40:58,362 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:40:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:40:58,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:40:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 162 proven. 25 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-07 18:40:58,544 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:40:59,098 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 185 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-07 18:40:59,132 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:40:59,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-11-07 18:40:59,132 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:40:59,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:40:59,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:40:59,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-07 18:40:59,134 INFO L87 Difference]: Start difference. First operand 9551 states and 12242 transitions. Second operand 11 states. [2018-11-07 18:41:03,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:03,116 INFO L93 Difference]: Finished difference Result 21725 states and 29953 transitions. [2018-11-07 18:41:03,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-07 18:41:03,116 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 260 [2018-11-07 18:41:03,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:03,183 INFO L225 Difference]: With dead ends: 21725 [2018-11-07 18:41:03,183 INFO L226 Difference]: Without dead ends: 12655 [2018-11-07 18:41:03,216 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 540 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=331, Invalid=1391, Unknown=0, NotChecked=0, Total=1722 [2018-11-07 18:41:03,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12655 states. [2018-11-07 18:41:03,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12655 to 11322. [2018-11-07 18:41:03,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11322 states. [2018-11-07 18:41:03,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11322 states to 11322 states and 13809 transitions. [2018-11-07 18:41:03,551 INFO L78 Accepts]: Start accepts. Automaton has 11322 states and 13809 transitions. Word has length 260 [2018-11-07 18:41:03,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:03,551 INFO L480 AbstractCegarLoop]: Abstraction has 11322 states and 13809 transitions. [2018-11-07 18:41:03,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:41:03,551 INFO L276 IsEmpty]: Start isEmpty. Operand 11322 states and 13809 transitions. [2018-11-07 18:41:03,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-07 18:41:03,593 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:03,594 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:41:03,594 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:03,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:03,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1682387255, now seen corresponding path program 1 times [2018-11-07 18:41:03,594 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:03,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:03,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:03,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:03,596 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 299 proven. 18 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-11-07 18:41:04,080 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:41:04,081 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:41:04,081 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 332 with the following transitions: [2018-11-07 18:41:04,081 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:41:04,083 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:41:04,084 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:41:12,708 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:41:12,709 INFO L272 AbstractInterpreter]: Visited 148 different actions 3724 times. Merged at 12 different actions 362 times. Widened at 1 different actions 21 times. Found 134 fixpoints after 5 different actions. Largest state had 42 variables. [2018-11-07 18:41:12,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:12,718 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:41:12,718 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:41:12,718 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:41:12,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:12,727 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:41:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:12,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:41:13,102 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 387 proven. 2 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-11-07 18:41:13,102 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:41:13,272 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 299 proven. 18 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-11-07 18:41:13,295 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:41:13,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-07 18:41:13,295 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:41:13,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 18:41:13,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 18:41:13,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-07 18:41:13,297 INFO L87 Difference]: Start difference. First operand 11322 states and 13809 transitions. Second operand 9 states. [2018-11-07 18:41:15,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:15,267 INFO L93 Difference]: Finished difference Result 22053 states and 27522 transitions. [2018-11-07 18:41:15,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 18:41:15,270 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 331 [2018-11-07 18:41:15,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:15,271 INFO L225 Difference]: With dead ends: 22053 [2018-11-07 18:41:15,271 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:41:15,325 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 666 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2018-11-07 18:41:15,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:41:15,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:41:15,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:41:15,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:41:15,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 331 [2018-11-07 18:41:15,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:15,326 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:41:15,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 18:41:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:41:15,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:41:15,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:41:15,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:16,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:17,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,081 WARN L179 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 732 DAG size of output: 284 [2018-11-07 18:41:18,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:18,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:19,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:41:20,237 WARN L179 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 732 DAG size of output: 306 [2018-11-07 18:41:21,297 WARN L179 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2018-11-07 18:41:22,672 WARN L179 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 147 DAG size of output: 86 [2018-11-07 18:41:28,131 WARN L179 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 394 DAG size of output: 177 [2018-11-07 18:41:29,628 WARN L179 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 284 DAG size of output: 113 [2018-11-07 18:41:31,180 WARN L179 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 306 DAG size of output: 113 [2018-11-07 18:41:31,183 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:41:31,184 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (<= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-07 18:41:31,184 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:41:31,184 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 18:41:31,184 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 18:41:31,184 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,184 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,184 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,184 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,185 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,185 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,185 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 18:41:31,185 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 18:41:31,185 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 18:41:31,185 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 18:41:31,185 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 18:41:31,185 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 18:41:31,185 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 18:41:31,186 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 18:41:31,186 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 18:41:31,186 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 18:41:31,186 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,186 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,186 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,186 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,186 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,186 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,187 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 18:41:31,187 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 18:41:31,187 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 18:41:31,187 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 18:41:31,187 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 18:41:31,187 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 18:41:31,187 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 18:41:31,187 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 18:41:31,188 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 18:41:31,188 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 18:41:31,188 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 18:41:31,188 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 18:41:31,188 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 18:41:31,188 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 18:41:31,188 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 18:41:31,188 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,188 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,189 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,189 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,189 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,189 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 18:41:31,189 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 18:41:31,189 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 18:41:31,189 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 18:41:31,189 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 18:41:31,189 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 18:41:31,190 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 18:41:31,190 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 18:41:31,190 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 18:41:31,190 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,190 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,190 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,190 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,190 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,190 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 18:41:31,191 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 18:41:31,191 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 18:41:31,191 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 18:41:31,191 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 18:41:31,191 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 18:41:31,191 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 18:41:31,191 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 18:41:31,191 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 18:41:31,192 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 18:41:31,192 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 18:41:31,192 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 18:41:31,192 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 18:41:31,192 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,192 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,192 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,192 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,192 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,192 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 18:41:31,193 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 18:41:31,193 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 18:41:31,193 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 18:41:31,193 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 18:41:31,193 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 18:41:31,193 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 18:41:31,193 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 18:41:31,193 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 18:41:31,193 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,194 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,194 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,194 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,194 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,194 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,194 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,194 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 18:41:31,194 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 18:41:31,194 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 18:41:31,195 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 18:41:31,195 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 18:41:31,195 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 18:41:31,195 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 18:41:31,195 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 18:41:31,195 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 18:41:31,195 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 18:41:31,195 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 18:41:31,195 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 18:41:31,195 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 18:41:31,196 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 18:41:31,196 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,196 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,196 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,196 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,196 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,196 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 18:41:31,196 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 18:41:31,196 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 18:41:31,197 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 18:41:31,197 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 18:41:31,197 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 18:41:31,197 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 18:41:31,197 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 18:41:31,197 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 569) no Hoare annotation was computed. [2018-11-07 18:41:31,197 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,197 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,197 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,198 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,198 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,198 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 18:41:31,198 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 18:41:31,198 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 18:41:31,198 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 18:41:31,198 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 18:41:31,198 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 18:41:31,198 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 18:41:31,198 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 18:41:31,199 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 18:41:31,199 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 18:41:31,199 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse39 (= 4 |old(~a16~0)|)) (.cse52 (= ~a21~0 |old(~a21~0)|)) (.cse50 (= |old(~a20~0)| ~a20~0)) (.cse49 (= ~a7~0 |old(~a7~0)|)) (.cse51 (= ~a17~0 |old(~a17~0)|)) (.cse53 (= ~a16~0 |old(~a16~0)|)) (.cse48 (<= |old(~a8~0)| ~a8~0)) (.cse47 (= 1 ~a21~0))) (let ((.cse15 (< 5 |old(~a16~0)|)) (.cse41 (< |old(~a20~0)| 1)) (.cse5 (and .cse50 .cse49 .cse51 .cse53 .cse48 .cse47)) (.cse9 (< 0 |old(~a20~0)|)) (.cse37 (< 5 |calculate_output_#in~input|)) (.cse17 (< |calculate_output_#in~input| 1)) (.cse13 (< 6 |calculate_output_#in~input|)) (.cse6 (not (= 0 |old(~a7~0)|))) (.cse18 (< |calculate_output_#in~input| 2)) (.cse19 (< |old(~a16~0)| 5)) (.cse7 (not (= 15 |old(~a8~0)|))) (.cse16 (< |old(~a17~0)| 0)) (.cse10 (= ~a8~0 15)) (.cse12 (= 6 |old(~a16~0)|)) (.cse40 (and .cse50 .cse52 .cse49 .cse51 .cse53 .cse48)) (.cse14 (not (= 1 |old(~a20~0)|))) (.cse2 (not .cse39)) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse1 (= 1 |old(~a7~0)|)) (.cse8 (not (= 5 |old(~a16~0)|))) (.cse43 (and .cse50 .cse49 .cse51 .cse48 .cse47 (= 5 ~a16~0))) (.cse44 (< |old(~a8~0)| 15)) (.cse11 (not (= 1 |old(~a17~0)|))) (.cse38 (not (= |old(~a20~0)| 1))) (.cse3 (not (= 8 ~a12~0))) (.cse4 (< 0 |old(~a17~0)|)) (.cse42 (< 0 |old(~a21~0)|)) (.cse46 (= |old(~a16~0)| ~a16~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse6 .cse0 .cse7 .cse8 .cse3 (< |old(~a20~0)| 0) .cse9) .cse10 .cse11) (or .cse12 .cse0 .cse3 .cse5 .cse4 .cse9) (or .cse13 (or .cse6 .cse0) .cse10 .cse3 .cse4 .cse14 .cse7 .cse15 (< |old(~a16~0)| 4) .cse16 .cse17) (or .cse10 (let ((.cse20 (not (= ~v~0 22))) (.cse21 (not (= ~u~0 21))) (.cse22 (not (= |old(~a21~0)| 1))) (.cse23 (not (= ~b~0 2))) (.cse24 (not (= ~y~0 25))) (.cse25 (not (= |old(~a7~0)| 0))) (.cse26 (not (= 3 ~c~0))) (.cse27 (< 1 |old(~a17~0)|)) (.cse28 (not (= ~a~0 1))) (.cse29 (not (= 26 ~z~0))) (.cse30 (not (= ~x~0 24))) (.cse31 (not (= ~a12~0 8))) (.cse32 (not (= ~e~0 5))) (.cse33 (not (= |old(~a8~0)| 15))) (.cse34 (not (= ~d~0 4))) (.cse35 (not (= 6 ~f~0))) (.cse36 (not (= ~w~0 23)))) (and (or .cse18 .cse19 .cse20 .cse21 .cse13 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse16 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36) (or .cse19 .cse20 .cse21 .cse17 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse16 .cse30 .cse37 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36))) .cse38 .cse15) (or .cse39 .cse40 .cse3 .cse41 .cse4 .cse42) (or .cse0 .cse1 .cse14 .cse3 .cse5 .cse11) (or .cse0 .cse8 .cse3 .cse4 .cse43) (or .cse0 .cse1 .cse5 .cse3 .cse4 .cse44) (or .cse0 .cse1 .cse2 .cse5 .cse3 .cse41 .cse11) (or .cse0 .cse1 .cse5 .cse3 .cse44 .cse9 .cse11) (or (or (or (let ((.cse45 (< 6 |old(~a16~0)|))) (and (or .cse6 .cse0 .cse19 .cse45 .cse7 .cse16 .cse37 .cse17) (or .cse13 .cse6 .cse0 .cse18 .cse19 .cse45 .cse7 .cse16))) .cse3) .cse38 .cse4) .cse10) (or .cse12 .cse40 .cse3 .cse42 .cse11) (or .cse0 .cse14 .cse2 (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse46 .cse47 (= 1 ~a17~0)) .cse3 (not .cse1) (not (= 13 |old(~a8~0)|)) .cse11) (or .cse0 .cse1 .cse8 .cse3 .cse43 .cse44 .cse11) (or (or .cse38 .cse3 .cse4 .cse42) (and .cse48 (and .cse49 .cse50 .cse51 .cse46) .cse52))))) [2018-11-07 18:41:31,200 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 18:41:31,200 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,200 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,200 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,200 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,200 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,200 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 18:41:31,200 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,200 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 18:41:31,200 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 18:41:31,201 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 18:41:31,201 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 18:41:31,201 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 18:41:31,201 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 18:41:31,201 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 18:41:31,201 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 18:41:31,201 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 18:41:31,201 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 18:41:31,201 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 18:41:31,201 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 18:41:31,201 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,202 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,202 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,202 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,202 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,202 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,202 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 18:41:31,202 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 18:41:31,202 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 18:41:31,202 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 18:41:31,202 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 18:41:31,203 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 18:41:31,203 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 18:41:31,203 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 18:41:31,203 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 18:41:31,203 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 18:41:31,203 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 18:41:31,203 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 18:41:31,203 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 18:41:31,203 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 18:41:31,203 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 18:41:31,204 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,204 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,204 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,204 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,204 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,204 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:31,204 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 18:41:31,204 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 18:41:31,204 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 18:41:31,204 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 18:41:31,205 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 18:41:31,205 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 18:41:31,205 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 18:41:31,205 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 18:41:31,205 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 18:41:31,205 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 18:41:31,205 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:41:31,205 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~a8~0 15) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= 1 ~a21~0) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-07 18:41:31,205 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:41:31,206 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:41:31,206 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= ~a8~0 15) (= 1 ~a21~0) (= ~a7~0 0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= 5 ~a16~0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-07 18:41:31,206 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 18:41:31,206 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse7 (= 4 ~a16~0)) (.cse0 (not (= ~a16~0 6))) (.cse3 (<= ~a20~0 0)) (.cse10 (<= 1 ~a20~0)) (.cse9 (<= ~a21~0 0)) (.cse11 (= |old(~a20~0)| ~a20~0)) (.cse12 (= ~a16~0 4)) (.cse2 (<= ~a17~0 0)) (.cse5 (<= 15 ~a8~0)) (.cse1 (= 1 ~a21~0)) (.cse4 (not (= ~a7~0 1))) (.cse6 (= 5 ~a16~0)) (.cse8 (= 1 ~a17~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2) (and .cse2 .cse1 .cse6) (and (= 1 ~a20~0) (= 13 ~a8~0) .cse7 .cse1 .cse8) (not (= 3 ~c~0)) (and (not .cse7) .cse9 .cse2 .cse10) (and .cse9 .cse0 .cse8) (not (= 1 |old(~a21~0)|)) (not (= 4 ~d~0)) (not (= 2 ~b~0)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= 21 ~u~0)) (and .cse4 .cse11 .cse1 .cse8) (and .cse4 .cse5 .cse1 .cse3 .cse8) (not (= 22 ~v~0)) (and .cse1 (and .cse12 (and .cse4 .cse10 .cse8))) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (and .cse9 .cse11 .cse2) (not (= 0 |old(~a7~0)|)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (and .cse4 .cse12 .cse1 .cse2) (not (= 15 |old(~a8~0)|)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= 6 ~f~0)) (and .cse5 .cse1 (and .cse4 .cse6 .cse8)))) [2018-11-07 18:41:31,206 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 18:41:31,206 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 18:41:31,207 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 18:41:31,207 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse7 (= 4 ~a16~0)) (.cse0 (not (= ~a16~0 6))) (.cse3 (<= ~a20~0 0)) (.cse10 (<= 1 ~a20~0)) (.cse9 (<= ~a21~0 0)) (.cse11 (= |old(~a20~0)| ~a20~0)) (.cse12 (= ~a16~0 4)) (.cse2 (<= ~a17~0 0)) (.cse5 (<= 15 ~a8~0)) (.cse1 (= 1 ~a21~0)) (.cse4 (not (= ~a7~0 1))) (.cse6 (= 5 ~a16~0)) (.cse8 (= 1 ~a17~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2) (and .cse2 .cse1 .cse6) (and (= 1 ~a20~0) (= 13 ~a8~0) .cse7 .cse1 .cse8) (not (= 3 ~c~0)) (and (not .cse7) .cse9 .cse2 .cse10) (and .cse9 .cse0 .cse8) (not (= 1 |old(~a21~0)|)) (not (= 4 ~d~0)) (not (= 2 ~b~0)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= 21 ~u~0)) (and .cse4 .cse11 .cse1 .cse8) (and .cse4 .cse5 .cse1 .cse3 .cse8) (not (= 22 ~v~0)) (and .cse1 (and .cse12 (and .cse4 .cse10 .cse8))) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (and .cse9 .cse11 .cse2) (not (= 0 |old(~a7~0)|)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (and .cse4 .cse12 .cse1 .cse2) (not (= 15 |old(~a8~0)|)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= 6 ~f~0)) (and .cse5 .cse1 (and .cse4 .cse6 .cse8)))) [2018-11-07 18:41:31,207 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 18:41:31,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:41:31 BoogieIcfgContainer [2018-11-07 18:41:31,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:41:31,224 INFO L168 Benchmark]: Toolchain (without parser) took 140850.69 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -442.3 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-11-07 18:41:31,225 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:41:31,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:41:31,227 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -812.1 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:41:31,227 INFO L168 Benchmark]: Boogie Preprocessor took 87.11 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:41:31,228 INFO L168 Benchmark]: RCFGBuilder took 3214.47 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: 108.0 MB). Peak memory consumption was 108.0 MB. Max. memory is 7.1 GB. [2018-11-07 18:41:31,229 INFO L168 Benchmark]: TraceAbstraction took 136697.58 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 230.0 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-11-07 18:41:31,234 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 695.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 150.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -812.1 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.11 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3214.47 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: 108.0 MB). Peak memory consumption was 108.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 136697.58 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 230.0 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 569]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((!(a16 == 6) && 1 == a21) && a17 <= 0) && a20 <= 0) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && a17 <= 0)) || ((a17 <= 0 && 1 == a21) && 5 == a16)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || !(3 == c)) || (((!(4 == a16) && a21 <= 0) && a17 <= 0) && 1 <= a20)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || !(1 == \old(a21))) || !(4 == d)) || !(2 == b)) || !(y == 25)) || !(x == 24)) || !(a12 == 8)) || !(e == 5)) || !(21 == u)) || (((!(a7 == 1) && \old(a20) == a20) && 1 == a21) && 1 == a17)) || ((((!(a7 == 1) && 15 <= a8) && 1 == a21) && a20 <= 0) && 1 == a17)) || !(22 == v)) || (1 == a21 && a16 == 4 && (!(a7 == 1) && 1 <= a20) && 1 == a17)) || !(z == 26)) || !(\old(a16) == 5)) || ((a21 <= 0 && \old(a20) == a20) && a17 <= 0)) || !(0 == \old(a7))) || !(\old(a20) == 1)) || !(23 == w)) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && a17 <= 0)) || !(15 == \old(a8))) || !(a == 1)) || !(\old(a17) == 1)) || !(6 == f)) || ((15 <= a8 && 1 == a21) && (!(a7 == 1) && 5 == a16) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 136.6s OverallTime, 13 OverallIterations, 8 TraceHistogramMax, 78.6s AutomataDifference, 0.0s DeadEndRemovalTime, 15.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1882 SDtfs, 14484 SDslu, 2700 SDs, 0 SdLazy, 16299 SolverSat, 3026 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 3273 GetRequests, 3038 SyntacticMatches, 12 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1475 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11322occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 21.9s AbstIntTime, 8 AbstIntIterations, 4 AbstIntStrong, 0.997475321512037 AbsIntWeakeningRatio, 0.19428571428571428 AbsIntAvgWeakeningVarsNumRemoved, 15.166857142857143 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 1926 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 611 PreInvPairs, 1039 NumberOfFragments, 1506 HoareAnnotationTreeSize, 611 FomulaSimplifications, 76565 FormulaSimplificationTreeSizeReduction, 4.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 15758 FormulaSimplificationTreeSizeReductionInter, 10.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 3797 NumberOfCodeBlocks, 3797 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 4853 ConstructedInterpolants, 0 QuantifiedInterpolants, 2412701 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2838 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 21 InterpolantComputations, 5 PerfectInterpolantSequences, 4105/4486 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...