java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:07:11,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:07:11,360 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:07:11,376 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:07:11,377 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:07:11,378 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:07:11,379 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:07:11,381 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:07:11,383 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:07:11,383 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:07:11,384 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:07:11,385 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:07:11,386 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:07:11,387 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:07:11,388 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:07:11,389 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:07:11,389 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:07:11,392 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:07:11,399 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:07:11,403 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:07:11,404 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:07:11,405 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:07:11,410 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 07:07:11,410 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 07:07:11,410 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 07:07:11,411 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 07:07:11,415 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 07:07:11,416 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 07:07:11,417 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 07:07:11,418 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 07:07:11,418 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 07:07:11,419 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-07 07:07:11,424 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 07:07:11,450 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:07:11,451 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:07:11,452 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:07:11,452 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:07:11,452 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:07:11,455 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:07:11,455 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:07:11,455 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:07:11,455 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:07:11,456 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:07:11,456 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:07:11,456 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:07:11,456 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:07:11,456 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:07:11,457 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:07:11,457 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:07:11,458 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:07:11,458 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:07:11,458 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:07:11,458 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:07:11,458 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:07:11,458 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:07:11,460 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:07:11,460 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:07:11,461 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:07:11,461 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:07:11,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:07:11,461 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:07:11,461 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:07:11,462 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:07:11,462 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:07:11,462 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:07:11,462 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:07:11,462 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:07:11,462 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:07:11,463 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:07:11,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:07:11,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:07:11,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:07:11,551 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:07:11,552 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:07:11,552 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-11-07 07:07:11,613 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceef83c16/729b091223134f6993b0f890c5e31110/FLAG636c286f2 [2018-11-07 07:07:12,238 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:07:12,238 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-11-07 07:07:12,255 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceef83c16/729b091223134f6993b0f890c5e31110/FLAG636c286f2 [2018-11-07 07:07:12,283 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceef83c16/729b091223134f6993b0f890c5e31110 [2018-11-07 07:07:12,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:07:12,299 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:07:12,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:07:12,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:07:12,307 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:07:12,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:12" (1/1) ... [2018-11-07 07:07:12,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429b8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:12, skipping insertion in model container [2018-11-07 07:07:12,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:12" (1/1) ... [2018-11-07 07:07:12,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:07:12,411 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:07:12,947 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:07:12,958 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:07:13,052 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:07:13,070 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:07:13,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13 WrapperNode [2018-11-07 07:07:13,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:07:13,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:07:13,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:07:13,072 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:07:13,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:07:13,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:07:13,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:07:13,198 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:07:13,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (1/1) ... [2018-11-07 07:07:13,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:07:13,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:07:13,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:07:13,339 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:07:13,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (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 07:07:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:07:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:07:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:07:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:07:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:07:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:07:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:07:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:07:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:07:16,559 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:07:16,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:16 BoogieIcfgContainer [2018-11-07 07:07:16,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:07:16,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:07:16,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:07:16,565 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:07:16,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:07:12" (1/3) ... [2018-11-07 07:07:16,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:07:16, skipping insertion in model container [2018-11-07 07:07:16,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:13" (2/3) ... [2018-11-07 07:07:16,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:07:16, skipping insertion in model container [2018-11-07 07:07:16,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:16" (3/3) ... [2018-11-07 07:07:16,571 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label09_true-unreach-call_false-termination.c [2018-11-07 07:07:16,581 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:07:16,590 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:07:16,605 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:07:16,650 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:07:16,650 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:07:16,650 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:07:16,650 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:07:16,651 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:07:16,651 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:07:16,651 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:07:16,651 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:07:16,683 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 07:07:16,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-07 07:07:16,700 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:16,702 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] [2018-11-07 07:07:16,704 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:16,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:16,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1669527864, now seen corresponding path program 1 times [2018-11-07 07:07:16,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:16,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:16,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:16,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:16,769 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:17,417 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 07:07:17,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:17,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:07:17,421 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:17,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:07:17,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:07:17,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:07:17,447 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 07:07:19,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:19,119 INFO L93 Difference]: Finished difference Result 627 states and 1072 transitions. [2018-11-07 07:07:19,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:07:19,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2018-11-07 07:07:19,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:19,145 INFO L225 Difference]: With dead ends: 627 [2018-11-07 07:07:19,146 INFO L226 Difference]: Without dead ends: 388 [2018-11-07 07:07:19,153 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 07:07:19,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-11-07 07:07:19,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2018-11-07 07:07:19,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-07 07:07:19,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 619 transitions. [2018-11-07 07:07:19,245 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 619 transitions. Word has length 128 [2018-11-07 07:07:19,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:19,246 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 619 transitions. [2018-11-07 07:07:19,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:07:19,248 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 619 transitions. [2018-11-07 07:07:19,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-07 07:07:19,261 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:19,262 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 07:07:19,262 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:19,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:19,264 INFO L82 PathProgramCache]: Analyzing trace with hash -91961275, now seen corresponding path program 1 times [2018-11-07 07:07:19,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:19,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:19,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:19,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:19,266 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:19,743 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-07 07:07:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:19,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:19,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 07:07:19,844 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:19,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 07:07:19,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 07:07:19,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:07:19,847 INFO L87 Difference]: Start difference. First operand 383 states and 619 transitions. Second operand 5 states. [2018-11-07 07:07:21,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:21,513 INFO L93 Difference]: Finished difference Result 905 states and 1519 transitions. [2018-11-07 07:07:21,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 07:07:21,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-11-07 07:07:21,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:21,518 INFO L225 Difference]: With dead ends: 905 [2018-11-07 07:07:21,519 INFO L226 Difference]: Without dead ends: 382 [2018-11-07 07:07:21,524 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 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 07:07:21,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-07 07:07:21,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-07 07:07:21,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-07 07:07:21,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 613 transitions. [2018-11-07 07:07:21,551 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 613 transitions. Word has length 137 [2018-11-07 07:07:21,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:21,552 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 613 transitions. [2018-11-07 07:07:21,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 07:07:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 613 transitions. [2018-11-07 07:07:21,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-07 07:07:21,556 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:21,556 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] [2018-11-07 07:07:21,557 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:21,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:21,557 INFO L82 PathProgramCache]: Analyzing trace with hash -2004319935, now seen corresponding path program 1 times [2018-11-07 07:07:21,557 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:21,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:21,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:21,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:21,559 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:21,808 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 07:07:21,964 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 07:07:21,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:21,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:07:21,965 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:21,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:07:21,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:07:21,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:07:21,966 INFO L87 Difference]: Start difference. First operand 382 states and 613 transitions. Second operand 6 states. [2018-11-07 07:07:24,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:24,934 INFO L93 Difference]: Finished difference Result 1241 states and 2101 transitions. [2018-11-07 07:07:24,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 07:07:24,935 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-07 07:07:24,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:24,943 INFO L225 Difference]: With dead ends: 1241 [2018-11-07 07:07:24,943 INFO L226 Difference]: Without dead ends: 865 [2018-11-07 07:07:24,947 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:07:24,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-11-07 07:07:25,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 818. [2018-11-07 07:07:25,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2018-11-07 07:07:25,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1267 transitions. [2018-11-07 07:07:25,010 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1267 transitions. Word has length 139 [2018-11-07 07:07:25,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:25,010 INFO L480 AbstractCegarLoop]: Abstraction has 818 states and 1267 transitions. [2018-11-07 07:07:25,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:07:25,011 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1267 transitions. [2018-11-07 07:07:25,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-07 07:07:25,015 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:25,015 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 07:07:25,016 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:25,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:25,016 INFO L82 PathProgramCache]: Analyzing trace with hash -430858735, now seen corresponding path program 1 times [2018-11-07 07:07:25,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:25,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:25,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:25,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:25,018 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:25,478 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-07 07:07:25,666 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-07 07:07:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:25,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:25,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-07 07:07:25,792 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:25,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 07:07:25,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 07:07:25,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:07:25,793 INFO L87 Difference]: Start difference. First operand 818 states and 1267 transitions. Second operand 7 states. [2018-11-07 07:07:30,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:30,891 INFO L93 Difference]: Finished difference Result 2617 states and 4252 transitions. [2018-11-07 07:07:30,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 07:07:30,893 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2018-11-07 07:07:30,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:30,908 INFO L225 Difference]: With dead ends: 2617 [2018-11-07 07:07:30,908 INFO L226 Difference]: Without dead ends: 1805 [2018-11-07 07:07:30,914 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:07:30,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2018-11-07 07:07:30,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1800. [2018-11-07 07:07:30,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1800 states. [2018-11-07 07:07:30,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2733 transitions. [2018-11-07 07:07:30,975 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2733 transitions. Word has length 142 [2018-11-07 07:07:30,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:30,976 INFO L480 AbstractCegarLoop]: Abstraction has 1800 states and 2733 transitions. [2018-11-07 07:07:30,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 07:07:30,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2733 transitions. [2018-11-07 07:07:30,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-07 07:07:30,984 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:30,984 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:30,984 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:30,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:30,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1196711489, now seen corresponding path program 1 times [2018-11-07 07:07:30,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:30,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:30,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:30,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:30,986 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:31,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:31,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:07:31,141 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:31,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:07:31,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:07:31,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:07:31,143 INFO L87 Difference]: Start difference. First operand 1800 states and 2733 transitions. Second operand 6 states. [2018-11-07 07:07:33,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:33,300 INFO L93 Difference]: Finished difference Result 4620 states and 7211 transitions. [2018-11-07 07:07:33,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:07:33,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2018-11-07 07:07:33,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:33,321 INFO L225 Difference]: With dead ends: 4620 [2018-11-07 07:07:33,321 INFO L226 Difference]: Without dead ends: 2826 [2018-11-07 07:07:33,331 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:07:33,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2018-11-07 07:07:33,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2779. [2018-11-07 07:07:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2779 states. [2018-11-07 07:07:33,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 4070 transitions. [2018-11-07 07:07:33,439 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 4070 transitions. Word has length 150 [2018-11-07 07:07:33,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:33,440 INFO L480 AbstractCegarLoop]: Abstraction has 2779 states and 4070 transitions. [2018-11-07 07:07:33,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:07:33,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 4070 transitions. [2018-11-07 07:07:33,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-07 07:07:33,451 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:33,451 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:07:33,452 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:33,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:33,452 INFO L82 PathProgramCache]: Analyzing trace with hash 443735674, now seen corresponding path program 1 times [2018-11-07 07:07:33,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:33,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:33,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:33,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:33,454 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:33,834 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:33,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:33,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 07:07:33,835 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:33,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 07:07:33,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 07:07:33,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:07:33,836 INFO L87 Difference]: Start difference. First operand 2779 states and 4070 transitions. Second operand 5 states. [2018-11-07 07:07:34,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:34,989 INFO L93 Difference]: Finished difference Result 5671 states and 8370 transitions. [2018-11-07 07:07:34,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 07:07:34,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2018-11-07 07:07:34,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:35,006 INFO L225 Difference]: With dead ends: 5671 [2018-11-07 07:07:35,007 INFO L226 Difference]: Without dead ends: 2750 [2018-11-07 07:07:35,019 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 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 07:07:35,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2750 states. [2018-11-07 07:07:35,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2750 to 2750. [2018-11-07 07:07:35,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2750 states. [2018-11-07 07:07:35,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 2750 states and 3975 transitions. [2018-11-07 07:07:35,098 INFO L78 Accepts]: Start accepts. Automaton has 2750 states and 3975 transitions. Word has length 155 [2018-11-07 07:07:35,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:35,098 INFO L480 AbstractCegarLoop]: Abstraction has 2750 states and 3975 transitions. [2018-11-07 07:07:35,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 07:07:35,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2750 states and 3975 transitions. [2018-11-07 07:07:35,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-07 07:07:35,108 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:35,108 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 07:07:35,109 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:35,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:35,109 INFO L82 PathProgramCache]: Analyzing trace with hash -939036357, now seen corresponding path program 1 times [2018-11-07 07:07:35,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:35,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:35,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:35,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:35,111 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:35,338 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:07:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-07 07:07:35,433 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:35,433 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:35,434 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-11-07 07:07:35,436 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [83], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:07:35,493 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:35,494 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:36,101 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:07:36,103 INFO L272 AbstractInterpreter]: Visited 129 different actions 129 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 07:07:36,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:36,161 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:07:36,666 INFO L227 lantSequenceWeakener]: Weakened 155 states. On average, predicates are now at 81.14% of their original sizes. [2018-11-07 07:07:36,666 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:07:36,978 INFO L415 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2018-11-07 07:07:36,979 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:07:36,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:07:36,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2018-11-07 07:07:36,980 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:36,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 07:07:36,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 07:07:36,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:07:36,981 INFO L87 Difference]: Start difference. First operand 2750 states and 3975 transitions. Second operand 7 states. [2018-11-07 07:07:46,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:46,746 INFO L93 Difference]: Finished difference Result 5642 states and 8157 transitions. [2018-11-07 07:07:46,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:07:46,746 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2018-11-07 07:07:46,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:46,759 INFO L225 Difference]: With dead ends: 5642 [2018-11-07 07:07:46,760 INFO L226 Difference]: Without dead ends: 2898 [2018-11-07 07:07:46,770 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-07 07:07:46,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2898 states. [2018-11-07 07:07:46,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2898 to 2895. [2018-11-07 07:07:46,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2895 states. [2018-11-07 07:07:46,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 4128 transitions. [2018-11-07 07:07:46,845 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 4128 transitions. Word has length 164 [2018-11-07 07:07:46,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:46,845 INFO L480 AbstractCegarLoop]: Abstraction has 2895 states and 4128 transitions. [2018-11-07 07:07:46,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 07:07:46,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 4128 transitions. [2018-11-07 07:07:46,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-07 07:07:46,856 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:46,856 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-07 07:07:46,857 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:46,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:46,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1140751716, now seen corresponding path program 1 times [2018-11-07 07:07:46,857 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:46,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:46,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:46,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:46,859 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-07 07:07:47,206 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:47,206 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:47,206 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-11-07 07:07:47,207 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [83], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:07:47,213 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:47,213 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:47,406 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:07:47,406 INFO L272 AbstractInterpreter]: Visited 133 different actions 260 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 07:07:47,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:47,418 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:07:47,642 INFO L227 lantSequenceWeakener]: Weakened 171 states. On average, predicates are now at 81.17% of their original sizes. [2018-11-07 07:07:47,643 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:07:48,004 INFO L415 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2018-11-07 07:07:48,004 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:07:48,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:07:48,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 07:07:48,005 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:48,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 07:07:48,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 07:07:48,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-07 07:07:48,007 INFO L87 Difference]: Start difference. First operand 2895 states and 4128 transitions. Second operand 11 states. [2018-11-07 07:07:54,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:07:54,637 INFO L93 Difference]: Finished difference Result 6096 states and 8679 transitions. [2018-11-07 07:07:54,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 07:07:54,637 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2018-11-07 07:07:54,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:07:54,652 INFO L225 Difference]: With dead ends: 6096 [2018-11-07 07:07:54,652 INFO L226 Difference]: Without dead ends: 3207 [2018-11-07 07:07:54,661 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2018-11-07 07:07:54,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3207 states. [2018-11-07 07:07:54,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3207 to 3199. [2018-11-07 07:07:54,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3199 states. [2018-11-07 07:07:54,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 3199 states and 4453 transitions. [2018-11-07 07:07:54,741 INFO L78 Accepts]: Start accepts. Automaton has 3199 states and 4453 transitions. Word has length 174 [2018-11-07 07:07:54,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:07:54,741 INFO L480 AbstractCegarLoop]: Abstraction has 3199 states and 4453 transitions. [2018-11-07 07:07:54,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 07:07:54,742 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 4453 transitions. [2018-11-07 07:07:54,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-07 07:07:54,753 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:54,753 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:07:54,753 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:54,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:54,754 INFO L82 PathProgramCache]: Analyzing trace with hash 2045706540, now seen corresponding path program 1 times [2018-11-07 07:07:54,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:54,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:54,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:54,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:54,755 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:54,995 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 59 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 07:07:54,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:07:54,995 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:07:54,996 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-11-07 07:07:54,996 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:07:55,000 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:07:55,001 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:07:55,427 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:07:55,427 INFO L272 AbstractInterpreter]: Visited 133 different actions 391 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 07:07:55,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:55,433 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:07:55,668 INFO L227 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 84.47% of their original sizes. [2018-11-07 07:07:55,668 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:07:55,926 INFO L415 sIntCurrentIteration]: We unified 189 AI predicates to 189 [2018-11-07 07:07:55,926 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:07:55,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:07:55,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-11-07 07:07:55,927 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:55,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:07:55,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:07:55,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:07:55,929 INFO L87 Difference]: Start difference. First operand 3199 states and 4453 transitions. Second operand 10 states. [2018-11-07 07:08:03,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:03,720 INFO L93 Difference]: Finished difference Result 8496 states and 12073 transitions. [2018-11-07 07:08:03,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 07:08:03,720 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2018-11-07 07:08:03,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:03,744 INFO L225 Difference]: With dead ends: 8496 [2018-11-07 07:08:03,744 INFO L226 Difference]: Without dead ends: 5303 [2018-11-07 07:08:03,757 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-07 07:08:03,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5303 states. [2018-11-07 07:08:03,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5303 to 5284. [2018-11-07 07:08:03,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5284 states. [2018-11-07 07:08:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 7092 transitions. [2018-11-07 07:08:03,898 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 7092 transitions. Word has length 190 [2018-11-07 07:08:03,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:03,898 INFO L480 AbstractCegarLoop]: Abstraction has 5284 states and 7092 transitions. [2018-11-07 07:08:03,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:08:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 7092 transitions. [2018-11-07 07:08:03,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-07 07:08:03,915 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:03,916 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1] [2018-11-07 07:08:03,916 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:03,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:03,916 INFO L82 PathProgramCache]: Analyzing trace with hash 577916684, now seen corresponding path program 1 times [2018-11-07 07:08:03,917 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:03,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:03,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:03,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:03,918 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:04,154 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 07:08:04,513 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-07 07:08:04,758 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 94 proven. 42 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-07 07:08:04,758 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:04,758 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:08:04,759 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-07 07:08:04,759 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [83], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:08:04,763 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:08:04,763 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:08:05,004 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:08:05,004 INFO L272 AbstractInterpreter]: Visited 135 different actions 403 times. Merged at 9 different actions 22 times. Never widened. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 07:08:05,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:05,010 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:08:05,010 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:05,010 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 07:08:05,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:05,022 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:08:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:05,134 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:08:05,533 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-07 07:08:05,534 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:08:06,326 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 109 proven. 10 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 07:08:06,357 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:08:06,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-07 07:08:06,358 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:08:06,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 07:08:06,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 07:08:06,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-11-07 07:08:06,360 INFO L87 Difference]: Start difference. First operand 5284 states and 7092 transitions. Second operand 15 states. [2018-11-07 07:08:07,192 WARN L179 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-11-07 07:08:11,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:11,382 INFO L93 Difference]: Finished difference Result 13568 states and 18845 transitions. [2018-11-07 07:08:11,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 07:08:11,383 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 201 [2018-11-07 07:08:11,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:11,383 INFO L225 Difference]: With dead ends: 13568 [2018-11-07 07:08:11,383 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 07:08:11,651 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 409 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2018-11-07 07:08:11,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 07:08:11,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 07:08:11,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 07:08:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 07:08:11,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201 [2018-11-07 07:08:11,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:11,653 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 07:08:11,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 07:08:11,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 07:08:11,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 07:08:11,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 07:08:11,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:11,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:11,973 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 64 [2018-11-07 07:08:12,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:12,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:12,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:12,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:12,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:12,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:12,103 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2018-11-07 07:08:12,523 WARN L179 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 17 [2018-11-07 07:08:12,725 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2018-11-07 07:08:14,862 WARN L179 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 203 DAG size of output: 78 [2018-11-07 07:08:15,024 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 45 [2018-11-07 07:08:15,258 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 45 [2018-11-07 07:08:15,261 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:08:15,261 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|)) [2018-11-07 07:08:15,262 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:08:15,262 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,262 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,262 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,262 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,262 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,262 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 07:08:15,262 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 07:08:15,263 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 07:08:15,263 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 07:08:15,263 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 07:08:15,263 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 07:08:15,263 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 07:08:15,263 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 07:08:15,263 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 07:08:15,263 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 07:08:15,264 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 07:08:15,264 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 07:08:15,264 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 07:08:15,264 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,264 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,264 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,264 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,264 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,264 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 07:08:15,265 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 07:08:15,265 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 07:08:15,265 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 07:08:15,265 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 07:08:15,265 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 07:08:15,265 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 07:08:15,265 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 07:08:15,265 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 07:08:15,266 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 07:08:15,266 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 07:08:15,266 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 07:08:15,266 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 07:08:15,266 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 07:08:15,266 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 07:08:15,266 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 07:08:15,266 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,266 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,266 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,267 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,267 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,267 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 07:08:15,267 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 07:08:15,267 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 07:08:15,267 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 07:08:15,267 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 07:08:15,267 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 07:08:15,268 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 07:08:15,268 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 07:08:15,268 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 07:08:15,268 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2018-11-07 07:08:15,268 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 07:08:15,268 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 07:08:15,268 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,268 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,269 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,269 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,269 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,269 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 07:08:15,269 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 07:08:15,269 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 07:08:15,269 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 07:08:15,269 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 07:08:15,269 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 07:08:15,270 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 07:08:15,270 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 07:08:15,270 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 07:08:15,270 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 07:08:15,270 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 07:08:15,270 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 07:08:15,270 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 07:08:15,270 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,271 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,271 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,271 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,271 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,271 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 07:08:15,271 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 07:08:15,271 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 07:08:15,272 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 07:08:15,272 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 07:08:15,272 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 07:08:15,272 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 07:08:15,272 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 07:08:15,272 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 07:08:15,272 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 07:08:15,272 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 07:08:15,273 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 07:08:15,273 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 07:08:15,273 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 07:08:15,273 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 07:08:15,273 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 07:08:15,273 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,273 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,273 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,274 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,274 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,274 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 07:08:15,274 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 07:08:15,274 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,274 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 07:08:15,274 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 07:08:15,274 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 07:08:15,274 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,275 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,275 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 07:08:15,275 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 07:08:15,275 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 07:08:15,275 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 07:08:15,275 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 07:08:15,275 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 07:08:15,275 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 07:08:15,275 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 07:08:15,276 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 07:08:15,276 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 07:08:15,276 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 07:08:15,276 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,276 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,276 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,276 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,276 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,277 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,277 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 07:08:15,277 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 07:08:15,277 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 07:08:15,277 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 07:08:15,277 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 07:08:15,277 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 07:08:15,277 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 07:08:15,278 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 07:08:15,278 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 07:08:15,278 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 07:08:15,278 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 07:08:15,278 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,278 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,278 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,278 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,279 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,279 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,279 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 07:08:15,279 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 07:08:15,279 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 07:08:15,279 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 07:08:15,279 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 07:08:15,279 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 07:08:15,279 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 07:08:15,280 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 07:08:15,280 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 07:08:15,280 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 07:08:15,280 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 07:08:15,280 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 07:08:15,280 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 07:08:15,280 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 07:08:15,280 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,280 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,280 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,281 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,281 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse16 (= 1 |old(~a25~0)|))) (let ((.cse17 (= ~a25~0 1)) (.cse18 (= 10 |old(~a28~0)|)) (.cse8 (not .cse16)) (.cse4 (not (= 1 ~a21~0))) (.cse9 (not (= 1 |old(~a19~0)|)))) (let ((.cse11 (= 1 ~a25~0)) (.cse3 (not (= |old(~a17~0)| 8))) (.cse1 (let ((.cse19 (not (= 0 |old(~a11~0)|)))) (and (or .cse4 (not .cse18) .cse8 .cse19 (not (= 0 |old(~a19~0)|))) (or .cse4 .cse9 (= 0 |old(~a28~0)|) .cse19)))) (.cse10 (not (= 8 |old(~a17~0)|))) (.cse0 (= |calculate_output_#in~input| 0)) (.cse15 (not .cse17)) (.cse2 (= |old(~a17~0)| |old(~a28~0)|)) (.cse12 (= |old(~a11~0)| |old(~a19~0)|)) (.cse5 (= |old(~a28~0)| ~a28~0)) (.cse6 (= |old(~a19~0)| ~a19~0)) (.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse13 (= 7 ~a17~0)) (.cse14 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 .cse1 (= ~a25~0 0) .cse2 .cse3 (not (= 0 |old(~a25~0)|))) (or .cse4 (and .cse5 .cse6 .cse7 (= ~a17~0 |old(~a17~0)|)) .cse3) (or .cse4 .cse8 .cse9 .cse10 .cse11 (not (= 9 |old(~a28~0)|))) (or .cse4 .cse11 .cse8 .cse9 .cse12 .cse10) (or .cse4 (not (= 7 |old(~a28~0)|)) (and .cse5 (= 1 ~a11~0) .cse13 .cse11 (= 1 ~a19~0)) .cse8 .cse9 (not (= 1 |old(~a11~0)|)) .cse14) (or .cse4 .cse15 .cse3 .cse16) (or .cse1 .cse10 .cse0 (or .cse17 (= ~a19~0 1))) (or .cse4 (and .cse5 .cse6 .cse7 .cse15 .cse13) .cse2 .cse16 .cse14) (or .cse4 .cse18 .cse2 .cse12 (and .cse5 .cse6 .cse7 .cse13) .cse14))))) [2018-11-07 07:08:15,281 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,281 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,281 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 07:08:15,281 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 07:08:15,282 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 07:08:15,282 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 07:08:15,282 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 07:08:15,282 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 07:08:15,282 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 07:08:15,282 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 07:08:15,282 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 07:08:15,282 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 07:08:15,282 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 07:08:15,283 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 07:08:15,283 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 07:08:15,283 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,283 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,283 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,283 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,283 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,283 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,283 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 07:08:15,284 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 07:08:15,284 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 07:08:15,284 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 07:08:15,284 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 07:08:15,284 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 07:08:15,284 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 07:08:15,284 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 07:08:15,284 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 07:08:15,285 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 07:08:15,285 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 07:08:15,285 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 07:08:15,285 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 07:08:15,285 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 07:08:15,285 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 07:08:15,285 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 07:08:15,285 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,285 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,286 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,286 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,286 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:15,286 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 07:08:15,286 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 07:08:15,286 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 07:08:15,286 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 07:08:15,286 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 07:08:15,286 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 07:08:15,287 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 07:08:15,287 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 07:08:15,287 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 07:08:15,287 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 07:08:15,287 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 07:08:15,287 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 07:08:15,287 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 07:08:15,287 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 07:08:15,287 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 07:08:15,288 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 07:08:15,288 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 07:08:15,288 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 07:08:15,288 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 07:08:15,288 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:08:15,288 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-07 07:08:15,288 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 07:08:15,288 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:08:15,289 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-11-07 07:08:15,289 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 07:08:15,289 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 7 ~a28~0))) (let ((.cse1 (= 7 ~a17~0)) (.cse2 (not .cse0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (and .cse0 (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0)) (and (not (= ~a25~0 1)) .cse1 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse2 (not (= ~a19~0 ~a11~0)) (not (= ~a28~0 10))) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))))) [2018-11-07 07:08:15,289 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 07:08:15,289 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 07:08:15,289 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 7 ~a28~0))) (let ((.cse1 (= 7 ~a17~0)) (.cse2 (not .cse0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (and .cse0 (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0)) (and (not (= ~a25~0 1)) .cse1 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse2 (not (= ~a19~0 ~a11~0)) (not (= ~a28~0 10))) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))))) [2018-11-07 07:08:15,290 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 07:08:15,290 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 07:08:15,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:08:15 BoogieIcfgContainer [2018-11-07 07:08:15,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:08:15,311 INFO L168 Benchmark]: Toolchain (without parser) took 63015.40 ms. Allocated memory was 1.6 GB in the beginning and 3.1 GB in the end (delta: 1.5 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 460.6 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:15,314 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 07:08:15,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.10 ms. Allocated memory is still 1.6 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 07:08:15,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.93 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -837.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:15,317 INFO L168 Benchmark]: Boogie Preprocessor took 139.80 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 07:08:15,317 INFO L168 Benchmark]: RCFGBuilder took 3221.11 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: 101.2 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:15,320 INFO L168 Benchmark]: TraceAbstraction took 58749.41 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 763.9 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -350.7 MB). Peak memory consumption was 413.2 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:15,333 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 771.10 ms. Allocated memory is still 1.6 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 125.93 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -837.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.80 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 3221.11 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: 101.2 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 58749.41 ms. Allocated memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: 763.9 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -350.7 MB). Peak memory consumption was 413.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || \old(a17) == a17) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || ((!(a25 == 1) && 7 == a17) && !(7 == a28))) || !(1 == \old(a19))) || (((7 == a17 && !(7 == a28)) && !(a19 == a11)) && !(a28 == 10))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 58.6s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 44.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1521 SDtfs, 9755 SDslu, 2144 SDs, 0 SdLazy, 11504 SolverSat, 2374 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1038 GetRequests, 933 SyntacticMatches, 6 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5284occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9967891475489744 AbsIntWeakeningRatio, 0.21714285714285714 AbsIntAvgWeakeningVarsNumRemoved, 25.83238095238095 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 134 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 176 PreInvPairs, 286 NumberOfFragments, 517 HoareAnnotationTreeSize, 176 FomulaSimplifications, 10383 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4932 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1781 NumberOfCodeBlocks, 1781 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1970 ConstructedInterpolants, 0 QuantifiedInterpolants, 1310748 SizeOfPredicates, 1 NumberOfNonLiveVariables, 552 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 608/699 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...