java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 17:07:36,348 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 17:07:36,350 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 17:07:36,368 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 17:07:36,368 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 17:07:36,370 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 17:07:36,371 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 17:07:36,374 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 17:07:36,377 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 17:07:36,379 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 17:07:36,380 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 17:07:36,380 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 17:07:36,382 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 17:07:36,383 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 17:07:36,387 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 17:07:36,388 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 17:07:36,396 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 17:07:36,398 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 17:07:36,401 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 17:07:36,404 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 17:07:36,406 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 17:07:36,407 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 17:07:36,413 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 17:07:36,413 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 17:07:36,413 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 17:07:36,415 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 17:07:36,415 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 17:07:36,417 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 17:07:36,418 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 17:07:36,419 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 17:07:36,419 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 17:07:36,422 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-12 17:07:36,424 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 17:07:36,449 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 17:07:36,450 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 17:07:36,450 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 17:07:36,451 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 17:07:36,451 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 17:07:36,451 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 17:07:36,451 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 17:07:36,451 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 17:07:36,452 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 17:07:36,452 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 17:07:36,452 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 17:07:36,452 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 17:07:36,452 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 17:07:36,453 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 17:07:36,454 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 17:07:36,454 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 17:07:36,454 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 17:07:36,454 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 17:07:36,455 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 17:07:36,456 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 17:07:36,456 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 17:07:36,457 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 17:07:36,457 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 17:07:36,457 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 17:07:36,457 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 17:07:36,457 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 17:07:36,458 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 17:07:36,458 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 17:07:36,458 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 17:07:36,459 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 17:07:36,459 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 17:07:36,459 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 17:07:36,459 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 17:07:36,459 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 17:07:36,459 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 17:07:36,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 17:07:36,543 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 17:07:36,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 17:07:36,548 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 17:07:36,549 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 17:07:36,550 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-12 17:07:36,616 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68d083ccf/79aacb1f956146c192f818c15d263a04/FLAGb09f7f6f4 [2018-11-12 17:07:37,177 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 17:07:37,181 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-12 17:07:37,195 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68d083ccf/79aacb1f956146c192f818c15d263a04/FLAGb09f7f6f4 [2018-11-12 17:07:37,211 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68d083ccf/79aacb1f956146c192f818c15d263a04 [2018-11-12 17:07:37,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 17:07:37,226 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 17:07:37,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 17:07:37,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 17:07:37,235 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 17:07:37,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:07:37" (1/1) ... [2018-11-12 17:07:37,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112c4233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:37, skipping insertion in model container [2018-11-12 17:07:37,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:07:37" (1/1) ... [2018-11-12 17:07:37,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 17:07:37,316 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 17:07:37,807 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 17:07:37,818 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 17:07:37,959 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 17:07:37,977 INFO L193 MainTranslator]: Completed translation [2018-11-12 17:07:37,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:37 WrapperNode [2018-11-12 17:07:37,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 17:07:37,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 17:07:37,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 17:07:37,979 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 17:07:37,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:37" (1/1) ... [2018-11-12 17:07:38,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:37" (1/1) ... [2018-11-12 17:07:38,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 17:07:38,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 17:07:38,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 17:07:38,128 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 17:07:38,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:37" (1/1) ... [2018-11-12 17:07:38,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:37" (1/1) ... [2018-11-12 17:07:38,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:37" (1/1) ... [2018-11-12 17:07:38,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:37" (1/1) ... [2018-11-12 17:07:38,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:37" (1/1) ... [2018-11-12 17:07:38,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:37" (1/1) ... [2018-11-12 17:07:38,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:37" (1/1) ... [2018-11-12 17:07:38,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 17:07:38,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 17:07:38,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 17:07:38,226 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 17:07:38,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:37" (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 [2018-11-12 17:07:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 17:07:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 17:07:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 17:07:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 17:07:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 17:07:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 17:07:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 17:07:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 17:07:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 17:07:41,314 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 17:07:41,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:07:41 BoogieIcfgContainer [2018-11-12 17:07:41,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 17:07:41,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 17:07:41,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 17:07:41,320 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 17:07:41,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:07:37" (1/3) ... [2018-11-12 17:07:41,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a08389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:07:41, skipping insertion in model container [2018-11-12 17:07:41,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:37" (2/3) ... [2018-11-12 17:07:41,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a08389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:07:41, skipping insertion in model container [2018-11-12 17:07:41,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:07:41" (3/3) ... [2018-11-12 17:07:41,324 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label14_true-unreach-call_false-termination.c [2018-11-12 17:07:41,335 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 17:07:41,343 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 17:07:41,359 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 17:07:41,402 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 17:07:41,402 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 17:07:41,402 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 17:07:41,402 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 17:07:41,403 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 17:07:41,403 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 17:07:41,403 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 17:07:41,403 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 17:07:41,432 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-12 17:07:41,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-12 17:07:41,450 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:41,451 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:07:41,453 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:41,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:41,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1783775568, now seen corresponding path program 1 times [2018-11-12 17:07:41,463 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:41,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:41,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:41,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:41,512 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:42,049 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 17:07:42,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:07:42,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:07:42,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 17:07:42,219 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:42,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 17:07:42,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 17:07:42,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:07:42,248 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-12 17:07:43,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:43,733 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-12 17:07:43,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 17:07:43,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-11-12 17:07:43,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:43,753 INFO L225 Difference]: With dead ends: 550 [2018-11-12 17:07:43,754 INFO L226 Difference]: Without dead ends: 340 [2018-11-12 17:07:43,761 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:07:43,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-12 17:07:43,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-12 17:07:43,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-12 17:07:43,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 541 transitions. [2018-11-12 17:07:43,842 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 541 transitions. Word has length 138 [2018-11-12 17:07:43,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:43,844 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 541 transitions. [2018-11-12 17:07:43,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 17:07:43,844 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 541 transitions. [2018-11-12 17:07:43,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-12 17:07:43,852 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:43,852 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:07:43,852 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:43,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:43,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1808650351, now seen corresponding path program 1 times [2018-11-12 17:07:43,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:43,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:43,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:43,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:43,857 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:44,106 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:07:44,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:07:44,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 17:07:44,107 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:44,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 17:07:44,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 17:07:44,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 17:07:44,110 INFO L87 Difference]: Start difference. First operand 340 states and 541 transitions. Second operand 6 states. [2018-11-12 17:07:46,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:46,026 INFO L93 Difference]: Finished difference Result 1075 states and 1784 transitions. [2018-11-12 17:07:46,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 17:07:46,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-12 17:07:46,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:46,036 INFO L225 Difference]: With dead ends: 1075 [2018-11-12 17:07:46,036 INFO L226 Difference]: Without dead ends: 741 [2018-11-12 17:07:46,044 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 [2018-11-12 17:07:46,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-12 17:07:46,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-12 17:07:46,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-12 17:07:46,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1120 transitions. [2018-11-12 17:07:46,113 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1120 transitions. Word has length 149 [2018-11-12 17:07:46,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:46,114 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1120 transitions. [2018-11-12 17:07:46,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 17:07:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1120 transitions. [2018-11-12 17:07:46,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-12 17:07:46,120 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:46,120 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:07:46,121 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:46,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:46,121 INFO L82 PathProgramCache]: Analyzing trace with hash 2122506691, now seen corresponding path program 1 times [2018-11-12 17:07:46,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:46,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:46,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:46,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:46,123 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:46,574 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-12 17:07:46,731 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:07:46,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:07:46,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 17:07:46,732 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:46,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 17:07:46,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 17:07:46,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-12 17:07:46,734 INFO L87 Difference]: Start difference. First operand 724 states and 1120 transitions. Second operand 5 states. [2018-11-12 17:07:49,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:49,464 INFO L93 Difference]: Finished difference Result 1578 states and 2483 transitions. [2018-11-12 17:07:49,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 17:07:49,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2018-11-12 17:07:49,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:49,478 INFO L225 Difference]: With dead ends: 1578 [2018-11-12 17:07:49,478 INFO L226 Difference]: Without dead ends: 721 [2018-11-12 17:07:49,481 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-12 17:07:49,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-12 17:07:49,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-11-12 17:07:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-11-12 17:07:49,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1044 transitions. [2018-11-12 17:07:49,522 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1044 transitions. Word has length 150 [2018-11-12 17:07:49,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:49,523 INFO L480 AbstractCegarLoop]: Abstraction has 721 states and 1044 transitions. [2018-11-12 17:07:49,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 17:07:49,523 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1044 transitions. [2018-11-12 17:07:49,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-12 17:07:49,527 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:49,528 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:07:49,528 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:49,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:49,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1419468101, now seen corresponding path program 1 times [2018-11-12 17:07:49,529 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:49,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:49,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:49,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:49,530 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:07:49,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:07:49,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 17:07:49,757 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:49,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 17:07:49,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 17:07:49,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:07:49,759 INFO L87 Difference]: Start difference. First operand 721 states and 1044 transitions. Second operand 3 states. [2018-11-12 17:07:51,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:51,307 INFO L93 Difference]: Finished difference Result 2069 states and 3084 transitions. [2018-11-12 17:07:51,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 17:07:51,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-11-12 17:07:51,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:51,326 INFO L225 Difference]: With dead ends: 2069 [2018-11-12 17:07:51,326 INFO L226 Difference]: Without dead ends: 1354 [2018-11-12 17:07:51,330 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:07:51,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2018-11-12 17:07:51,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1347. [2018-11-12 17:07:51,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2018-11-12 17:07:51,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1892 transitions. [2018-11-12 17:07:51,382 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1892 transitions. Word has length 154 [2018-11-12 17:07:51,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:51,383 INFO L480 AbstractCegarLoop]: Abstraction has 1347 states and 1892 transitions. [2018-11-12 17:07:51,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 17:07:51,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1892 transitions. [2018-11-12 17:07:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-12 17:07:51,391 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:51,391 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:07:51,392 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:51,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:51,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1446107199, now seen corresponding path program 1 times [2018-11-12 17:07:51,392 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:51,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:51,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:51,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:51,394 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:51,695 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:07:51,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:07:51,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 17:07:51,695 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:51,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 17:07:51,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 17:07:51,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 17:07:51,697 INFO L87 Difference]: Start difference. First operand 1347 states and 1892 transitions. Second operand 4 states. [2018-11-12 17:07:52,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:52,873 INFO L93 Difference]: Finished difference Result 3232 states and 4626 transitions. [2018-11-12 17:07:52,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 17:07:52,874 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 173 [2018-11-12 17:07:52,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:52,885 INFO L225 Difference]: With dead ends: 3232 [2018-11-12 17:07:52,886 INFO L226 Difference]: Without dead ends: 1891 [2018-11-12 17:07:52,893 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 17:07:52,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2018-11-12 17:07:52,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1891. [2018-11-12 17:07:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1891 states. [2018-11-12 17:07:52,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 2551 transitions. [2018-11-12 17:07:52,945 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 2551 transitions. Word has length 173 [2018-11-12 17:07:52,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:52,946 INFO L480 AbstractCegarLoop]: Abstraction has 1891 states and 2551 transitions. [2018-11-12 17:07:52,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 17:07:52,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2551 transitions. [2018-11-12 17:07:52,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-12 17:07:52,956 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:52,956 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:07:52,956 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:52,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:52,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1915591307, now seen corresponding path program 1 times [2018-11-12 17:07:52,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:52,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:52,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:52,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:52,958 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 72 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-12 17:07:53,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:07:53,224 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:07:53,225 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-11-12 17:07:53,228 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:07:53,290 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:07:53,290 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:07:53,918 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:07:53,919 INFO L272 AbstractInterpreter]: Visited 70 different actions 70 times. Never merged. Never widened. Performed 900 root evaluator evaluations with a maximum evaluation depth of 6. Performed 900 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 42 variables. [2018-11-12 17:07:53,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:53,954 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:07:54,639 INFO L227 lantSequenceWeakener]: Weakened 118 states. On average, predicates are now at 79.71% of their original sizes. [2018-11-12 17:07:54,640 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:07:55,359 INFO L415 sIntCurrentIteration]: We unified 199 AI predicates to 199 [2018-11-12 17:07:55,360 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:07:55,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:07:55,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2018-11-12 17:07:55,361 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:55,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-12 17:07:55,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-12 17:07:55,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-11-12 17:07:55,363 INFO L87 Difference]: Start difference. First operand 1891 states and 2551 transitions. Second operand 12 states. [2018-11-12 17:08:04,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:04,709 INFO L93 Difference]: Finished difference Result 3837 states and 5174 transitions. [2018-11-12 17:08:04,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-12 17:08:04,710 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 200 [2018-11-12 17:08:04,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:04,720 INFO L225 Difference]: With dead ends: 3837 [2018-11-12 17:08:04,720 INFO L226 Difference]: Without dead ends: 1952 [2018-11-12 17:08:04,727 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-11-12 17:08:04,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2018-11-12 17:08:04,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1952. [2018-11-12 17:08:04,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1952 states. [2018-11-12 17:08:04,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2617 transitions. [2018-11-12 17:08:04,781 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2617 transitions. Word has length 200 [2018-11-12 17:08:04,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:04,782 INFO L480 AbstractCegarLoop]: Abstraction has 1952 states and 2617 transitions. [2018-11-12 17:08:04,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-12 17:08:04,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2617 transitions. [2018-11-12 17:08:04,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-12 17:08:04,791 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:04,792 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:08:04,792 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:04,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:04,793 INFO L82 PathProgramCache]: Analyzing trace with hash 191855448, now seen corresponding path program 1 times [2018-11-12 17:08:04,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:04,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:04,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:04,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:04,794 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 90 proven. 41 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-12 17:08:05,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:05,061 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:05,061 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-11-12 17:08:05,061 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:05,068 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:05,068 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:05,994 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:08:05,995 INFO L272 AbstractInterpreter]: Visited 144 different actions 212 times. Merged at 5 different actions 5 times. Never widened. Performed 3475 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3475 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-12 17:08:06,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:06,023 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:08:07,060 INFO L227 lantSequenceWeakener]: Weakened 109 states. On average, predicates are now at 81.38% of their original sizes. [2018-11-12 17:08:07,060 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:08:09,628 INFO L415 sIntCurrentIteration]: We unified 208 AI predicates to 208 [2018-11-12 17:08:09,629 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:08:09,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:08:09,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [9] total 26 [2018-11-12 17:08:09,629 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:08:09,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-12 17:08:09,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-12 17:08:09,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-12 17:08:09,631 INFO L87 Difference]: Start difference. First operand 1952 states and 2617 transitions. Second operand 19 states. [2018-11-12 17:08:26,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:26,377 INFO L93 Difference]: Finished difference Result 4122 states and 5493 transitions. [2018-11-12 17:08:26,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-12 17:08:26,377 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 209 [2018-11-12 17:08:26,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:26,387 INFO L225 Difference]: With dead ends: 4122 [2018-11-12 17:08:26,387 INFO L226 Difference]: Without dead ends: 2237 [2018-11-12 17:08:26,394 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 220 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2018-11-12 17:08:26,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2237 states. [2018-11-12 17:08:26,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2237 to 2226. [2018-11-12 17:08:26,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2226 states. [2018-11-12 17:08:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 2226 states and 2911 transitions. [2018-11-12 17:08:26,454 INFO L78 Accepts]: Start accepts. Automaton has 2226 states and 2911 transitions. Word has length 209 [2018-11-12 17:08:26,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:26,455 INFO L480 AbstractCegarLoop]: Abstraction has 2226 states and 2911 transitions. [2018-11-12 17:08:26,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-12 17:08:26,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2911 transitions. [2018-11-12 17:08:26,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-12 17:08:26,465 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:26,465 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:08:26,465 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:26,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:26,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1827509815, now seen corresponding path program 1 times [2018-11-12 17:08:26,466 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:26,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:26,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:26,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:26,467 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:27,011 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-12 17:08:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-12 17:08:27,219 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:27,219 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:27,219 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-11-12 17:08:27,220 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:27,228 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:27,228 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:27,903 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:08:27,904 INFO L272 AbstractInterpreter]: Visited 143 different actions 210 times. Merged at 5 different actions 5 times. Never widened. Performed 3312 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3312 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-12 17:08:27,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:27,907 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:08:28,652 INFO L227 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 81.01% of their original sizes. [2018-11-12 17:08:28,652 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:08:29,671 INFO L415 sIntCurrentIteration]: We unified 221 AI predicates to 221 [2018-11-12 17:08:29,671 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:08:29,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:08:29,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [6] total 28 [2018-11-12 17:08:29,672 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:08:29,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-12 17:08:29,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-12 17:08:29,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2018-11-12 17:08:29,673 INFO L87 Difference]: Start difference. First operand 2226 states and 2911 transitions. Second operand 24 states. [2018-11-12 17:08:45,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:45,010 INFO L93 Difference]: Finished difference Result 4533 states and 6012 transitions. [2018-11-12 17:08:45,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-12 17:08:45,011 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 222 [2018-11-12 17:08:45,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:45,022 INFO L225 Difference]: With dead ends: 4533 [2018-11-12 17:08:45,022 INFO L226 Difference]: Without dead ends: 2648 [2018-11-12 17:08:45,029 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 233 GetRequests, 193 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=288, Invalid=972, Unknown=0, NotChecked=0, Total=1260 [2018-11-12 17:08:45,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2018-11-12 17:08:45,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2500. [2018-11-12 17:08:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2500 states. [2018-11-12 17:08:45,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2500 states and 3205 transitions. [2018-11-12 17:08:45,100 INFO L78 Accepts]: Start accepts. Automaton has 2500 states and 3205 transitions. Word has length 222 [2018-11-12 17:08:45,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:45,100 INFO L480 AbstractCegarLoop]: Abstraction has 2500 states and 3205 transitions. [2018-11-12 17:08:45,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-12 17:08:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 3205 transitions. [2018-11-12 17:08:45,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-12 17:08:45,111 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:45,112 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:08:45,112 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:45,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:45,112 INFO L82 PathProgramCache]: Analyzing trace with hash 679256940, now seen corresponding path program 1 times [2018-11-12 17:08:45,113 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:45,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:45,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:45,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:45,114 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:45,355 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 92 proven. 46 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-12 17:08:45,355 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:45,355 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:45,356 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 232 with the following transitions: [2018-11-12 17:08:45,356 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:45,361 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:45,362 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:47,341 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 17:08:47,341 INFO L272 AbstractInterpreter]: Visited 145 different actions 794 times. Merged at 9 different actions 53 times. Widened at 1 different actions 1 times. Performed 12224 root evaluator evaluations with a maximum evaluation depth of 6. Performed 12224 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 14 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-12 17:08:47,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:47,347 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 17:08:47,347 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:47,347 INFO L192 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 [2018-11-12 17:08:47,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:47,360 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 17:08:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:47,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:08:47,677 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-12 17:08:47,678 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:08:48,825 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 98 proven. 38 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-12 17:08:48,864 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 17:08:48,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-12 17:08:48,865 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 17:08:48,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 17:08:48,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 17:08:48,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-12 17:08:48,866 INFO L87 Difference]: Start difference. First operand 2500 states and 3205 transitions. Second operand 11 states. [2018-11-12 17:08:49,314 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 6 [2018-11-12 17:08:52,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:52,759 INFO L93 Difference]: Finished difference Result 8879 states and 12214 transitions. [2018-11-12 17:08:52,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-12 17:08:52,946 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 231 [2018-11-12 17:08:52,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:52,976 INFO L225 Difference]: With dead ends: 8879 [2018-11-12 17:08:52,976 INFO L226 Difference]: Without dead ends: 6720 [2018-11-12 17:08:52,990 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 465 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-12 17:08:52,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6720 states. [2018-11-12 17:08:53,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6720 to 6571. [2018-11-12 17:08:53,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6571 states. [2018-11-12 17:08:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 8399 transitions. [2018-11-12 17:08:53,178 INFO L78 Accepts]: Start accepts. Automaton has 6571 states and 8399 transitions. Word has length 231 [2018-11-12 17:08:53,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:53,178 INFO L480 AbstractCegarLoop]: Abstraction has 6571 states and 8399 transitions. [2018-11-12 17:08:53,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 17:08:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 6571 states and 8399 transitions. [2018-11-12 17:08:53,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-12 17:08:53,208 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:53,208 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:08:53,209 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:53,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:53,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1037593579, now seen corresponding path program 1 times [2018-11-12 17:08:53,209 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:53,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:53,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:53,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:53,211 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:53,769 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-12 17:08:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 120 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-12 17:08:53,983 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:53,983 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:53,983 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 249 with the following transitions: [2018-11-12 17:08:53,983 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:53,988 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:53,988 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:54,416 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:08:54,416 INFO L272 AbstractInterpreter]: Visited 143 different actions 210 times. Merged at 5 different actions 5 times. Never widened. Performed 3059 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3059 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-12 17:08:54,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:54,426 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:08:54,924 INFO L227 lantSequenceWeakener]: Weakened 153 states. On average, predicates are now at 80.47% of their original sizes. [2018-11-12 17:08:54,925 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:08:55,239 INFO L415 sIntCurrentIteration]: We unified 247 AI predicates to 247 [2018-11-12 17:08:55,239 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:08:55,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:08:55,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-12 17:08:55,240 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:08:55,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-12 17:08:55,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-12 17:08:55,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-12 17:08:55,241 INFO L87 Difference]: Start difference. First operand 6571 states and 8399 transitions. Second operand 18 states. [2018-11-12 17:09:06,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:09:06,096 INFO L93 Difference]: Finished difference Result 12802 states and 16463 transitions. [2018-11-12 17:09:06,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-12 17:09:06,096 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 248 [2018-11-12 17:09:06,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:09:06,126 INFO L225 Difference]: With dead ends: 12802 [2018-11-12 17:09:06,126 INFO L226 Difference]: Without dead ends: 6710 [2018-11-12 17:09:06,144 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 256 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2018-11-12 17:09:06,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6710 states. [2018-11-12 17:09:06,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6710 to 6709. [2018-11-12 17:09:06,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6709 states. [2018-11-12 17:09:06,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6709 states to 6709 states and 8544 transitions. [2018-11-12 17:09:06,332 INFO L78 Accepts]: Start accepts. Automaton has 6709 states and 8544 transitions. Word has length 248 [2018-11-12 17:09:06,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:09:06,333 INFO L480 AbstractCegarLoop]: Abstraction has 6709 states and 8544 transitions. [2018-11-12 17:09:06,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-12 17:09:06,333 INFO L276 IsEmpty]: Start isEmpty. Operand 6709 states and 8544 transitions. [2018-11-12 17:09:06,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-12 17:09:06,359 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:09:06,359 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:09:06,360 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:09:06,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:09:06,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1458725959, now seen corresponding path program 1 times [2018-11-12 17:09:06,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:09:06,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:09:06,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:09:06,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:09:06,362 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:09:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:09:07,048 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 118 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-12 17:09:07,048 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:09:07,048 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:09:07,049 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 256 with the following transitions: [2018-11-12 17:09:07,049 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:09:07,052 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:09:07,052 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:09:10,373 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 17:09:10,373 INFO L272 AbstractInterpreter]: Visited 146 different actions 1268 times. Merged at 10 different actions 117 times. Widened at 1 different actions 5 times. Performed 19380 root evaluator evaluations with a maximum evaluation depth of 6. Performed 19380 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 30 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-12 17:09:10,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:09:10,381 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 17:09:10,381 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:09:10,381 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 17:09:10,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:09:10,391 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 17:09:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:09:10,527 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:09:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-12 17:09:10,683 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:09:10,841 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-12 17:09:10,862 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 17:09:10,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-12 17:09:10,863 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 17:09:10,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-12 17:09:10,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-12 17:09:10,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-12 17:09:10,865 INFO L87 Difference]: Start difference. First operand 6709 states and 8544 transitions. Second operand 12 states. [2018-11-12 17:09:16,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:09:16,560 INFO L93 Difference]: Finished difference Result 16319 states and 22036 transitions. [2018-11-12 17:09:16,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-12 17:09:16,561 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 255 [2018-11-12 17:09:16,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:09:16,616 INFO L225 Difference]: With dead ends: 16319 [2018-11-12 17:09:16,616 INFO L226 Difference]: Without dead ends: 9815 [2018-11-12 17:09:16,649 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 535 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=411, Invalid=1395, Unknown=0, NotChecked=0, Total=1806 [2018-11-12 17:09:16,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9815 states. [2018-11-12 17:09:16,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9815 to 9551. [2018-11-12 17:09:16,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9551 states. [2018-11-12 17:09:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9551 states to 9551 states and 12242 transitions. [2018-11-12 17:09:16,962 INFO L78 Accepts]: Start accepts. Automaton has 9551 states and 12242 transitions. Word has length 255 [2018-11-12 17:09:16,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:09:16,962 INFO L480 AbstractCegarLoop]: Abstraction has 9551 states and 12242 transitions. [2018-11-12 17:09:16,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-12 17:09:16,963 INFO L276 IsEmpty]: Start isEmpty. Operand 9551 states and 12242 transitions. [2018-11-12 17:09:17,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-12 17:09:17,017 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:09:17,017 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:09:17,018 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:09:17,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:09:17,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1683838344, now seen corresponding path program 1 times [2018-11-12 17:09:17,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:09:17,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:09:17,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:09:17,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:09:17,019 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:09:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:09:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 173 proven. 51 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-12 17:09:17,780 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:09:17,780 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:09:17,780 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-11-12 17:09:17,781 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:09:17,783 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:09:17,784 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:09:23,763 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 17:09:23,763 INFO L272 AbstractInterpreter]: Visited 145 different actions 2708 times. Merged at 9 different actions 224 times. Widened at 1 different actions 15 times. Performed 39584 root evaluator evaluations with a maximum evaluation depth of 6. Performed 39584 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 52 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-12 17:09:23,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:09:23,772 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 17:09:23,772 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:09:23,772 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 17:09:23,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:09:23,781 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 17:09:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:09:23,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:09:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 162 proven. 25 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-12 17:09:23,980 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:09:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 185 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-12 17:09:24,470 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 17:09:24,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-11-12 17:09:24,471 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 17:09:24,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 17:09:24,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 17:09:24,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-12 17:09:24,472 INFO L87 Difference]: Start difference. First operand 9551 states and 12242 transitions. Second operand 11 states. [2018-11-12 17:09:29,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:09:29,124 INFO L93 Difference]: Finished difference Result 21725 states and 29953 transitions. [2018-11-12 17:09:29,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-12 17:09:29,124 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 260 [2018-11-12 17:09:29,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:09:29,186 INFO L225 Difference]: With dead ends: 21725 [2018-11-12 17:09:29,186 INFO L226 Difference]: Without dead ends: 12655 [2018-11-12 17:09:29,225 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 540 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=331, Invalid=1391, Unknown=0, NotChecked=0, Total=1722 [2018-11-12 17:09:29,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12655 states. [2018-11-12 17:09:29,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12655 to 11322. [2018-11-12 17:09:29,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11322 states. [2018-11-12 17:09:29,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11322 states to 11322 states and 13809 transitions. [2018-11-12 17:09:29,574 INFO L78 Accepts]: Start accepts. Automaton has 11322 states and 13809 transitions. Word has length 260 [2018-11-12 17:09:29,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:09:29,575 INFO L480 AbstractCegarLoop]: Abstraction has 11322 states and 13809 transitions. [2018-11-12 17:09:29,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 17:09:29,575 INFO L276 IsEmpty]: Start isEmpty. Operand 11322 states and 13809 transitions. [2018-11-12 17:09:29,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-12 17:09:29,612 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:09:29,612 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:09:29,613 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:09:29,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:09:29,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1682387255, now seen corresponding path program 1 times [2018-11-12 17:09:29,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:09:29,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:09:29,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:09:29,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:09:29,615 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:09:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:09:30,007 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 299 proven. 18 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-11-12 17:09:30,007 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:09:30,007 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:09:30,007 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 332 with the following transitions: [2018-11-12 17:09:30,008 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:09:30,010 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:09:30,010 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:09:32,015 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 17:09:32,015 INFO L272 AbstractInterpreter]: Visited 148 different actions 821 times. Merged at 12 different actions 62 times. Widened at 1 different actions 1 times. Performed 12639 root evaluator evaluations with a maximum evaluation depth of 6. Performed 12639 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 20 fixpoints after 4 different actions. Largest state had 42 variables. [2018-11-12 17:09:32,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:09:32,020 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 17:09:32,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:09:32,020 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 17:09:32,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:09:32,029 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 17:09:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:09:32,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:09:32,557 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 387 proven. 2 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-11-12 17:09:32,557 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:09:32,688 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 299 proven. 18 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-11-12 17:09:32,709 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 17:09:32,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-12 17:09:32,710 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 17:09:32,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-12 17:09:32,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-12 17:09:32,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-12 17:09:32,712 INFO L87 Difference]: Start difference. First operand 11322 states and 13809 transitions. Second operand 9 states. [2018-11-12 17:09:34,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:09:34,527 INFO L93 Difference]: Finished difference Result 22053 states and 27522 transitions. [2018-11-12 17:09:34,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-12 17:09:34,529 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 331 [2018-11-12 17:09:34,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:09:34,530 INFO L225 Difference]: With dead ends: 22053 [2018-11-12 17:09:34,530 INFO L226 Difference]: Without dead ends: 0 [2018-11-12 17:09:34,601 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 666 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2018-11-12 17:09:34,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-12 17:09:34,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-12 17:09:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-12 17:09:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-12 17:09:34,603 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 331 [2018-11-12 17:09:34,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:09:34,603 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-12 17:09:34,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-12 17:09:34,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-12 17:09:34,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-12 17:09:34,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-12 17:09:35,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:35,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,821 WARN L179 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 729 DAG size of output: 274 [2018-11-12 17:09:36,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:36,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:37,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:09:38,242 WARN L179 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 729 DAG size of output: 294 [2018-11-12 17:09:39,361 WARN L179 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2018-11-12 17:09:40,997 WARN L179 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 147 DAG size of output: 86 [2018-11-12 17:09:44,528 WARN L179 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 378 DAG size of output: 167 [2018-11-12 17:09:46,282 WARN L179 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 274 DAG size of output: 113 [2018-11-12 17:09:47,827 WARN L179 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 294 DAG size of output: 113 [2018-11-12 17:09:47,830 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-12 17:09:47,831 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (<= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-12 17:09:47,831 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-12 17:09:47,831 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-12 17:09:47,831 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-12 17:09:47,831 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,831 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,831 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,831 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,832 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,832 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,832 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-12 17:09:47,832 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-12 17:09:47,832 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-12 17:09:47,832 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-12 17:09:47,832 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-12 17:09:47,832 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-12 17:09:47,833 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-12 17:09:47,833 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-12 17:09:47,833 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-12 17:09:47,833 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 569) no Hoare annotation was computed. [2018-11-12 17:09:47,833 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-12 17:09:47,833 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,833 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,833 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,834 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,834 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,834 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,834 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-12 17:09:47,834 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-12 17:09:47,834 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-12 17:09:47,834 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-12 17:09:47,834 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-12 17:09:47,834 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-12 17:09:47,835 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-12 17:09:47,835 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-12 17:09:47,835 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-12 17:09:47,835 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-12 17:09:47,835 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-12 17:09:47,835 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-12 17:09:47,835 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-12 17:09:47,835 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-12 17:09:47,835 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-12 17:09:47,836 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,836 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,836 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,836 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,836 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,836 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-12 17:09:47,836 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-12 17:09:47,836 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-12 17:09:47,836 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-12 17:09:47,836 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-12 17:09:47,837 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-12 17:09:47,837 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-12 17:09:47,837 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-12 17:09:47,837 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-12 17:09:47,837 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,837 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,837 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,837 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,837 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,838 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-12 17:09:47,838 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-12 17:09:47,838 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-12 17:09:47,838 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-12 17:09:47,838 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-12 17:09:47,838 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-12 17:09:47,838 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-12 17:09:47,838 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-12 17:09:47,838 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-12 17:09:47,839 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-12 17:09:47,839 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-12 17:09:47,839 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-12 17:09:47,839 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-12 17:09:47,839 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,839 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,839 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,839 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,839 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,840 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-12 17:09:47,840 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-12 17:09:47,840 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-12 17:09:47,840 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-12 17:09:47,840 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-12 17:09:47,840 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-12 17:09:47,840 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-12 17:09:47,840 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-12 17:09:47,840 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-12 17:09:47,840 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,841 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,841 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,841 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,841 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,841 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,841 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-12 17:09:47,841 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,841 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-12 17:09:47,841 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-12 17:09:47,841 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-12 17:09:47,842 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-12 17:09:47,842 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-12 17:09:47,842 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-12 17:09:47,842 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-12 17:09:47,842 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-12 17:09:47,842 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-12 17:09:47,842 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-12 17:09:47,842 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-12 17:09:47,842 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-12 17:09:47,842 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-12 17:09:47,842 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,843 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,843 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,843 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,843 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,843 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-12 17:09:47,843 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-12 17:09:47,843 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-12 17:09:47,843 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-12 17:09:47,843 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-12 17:09:47,843 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-12 17:09:47,844 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-12 17:09:47,844 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-12 17:09:47,844 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,844 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,844 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,844 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,844 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,844 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-12 17:09:47,844 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-12 17:09:47,845 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-12 17:09:47,845 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-12 17:09:47,845 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-12 17:09:47,845 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-12 17:09:47,845 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-12 17:09:47,845 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-12 17:09:47,845 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-12 17:09:47,845 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-12 17:09:47,846 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse17 (= 4 |old(~a16~0)|)) (.cse30 (= ~a21~0 |old(~a21~0)|)) (.cse28 (= |old(~a20~0)| ~a20~0)) (.cse27 (= ~a7~0 |old(~a7~0)|)) (.cse29 (= ~a17~0 |old(~a17~0)|)) (.cse31 (= ~a16~0 |old(~a16~0)|)) (.cse26 (<= |old(~a8~0)| ~a8~0)) (.cse25 (= 1 ~a21~0))) (let ((.cse7 (not (= 15 |old(~a8~0)|))) (.cse15 (< |old(~a17~0)| 0)) (.cse19 (< |old(~a20~0)| 1)) (.cse10 (= ~a8~0 15)) (.cse16 (< |calculate_output_#in~input| 1)) (.cse6 (not (= 0 |old(~a7~0)|))) (.cse13 (< 6 |calculate_output_#in~input|)) (.cse5 (and .cse28 .cse27 .cse29 .cse31 .cse26 .cse25)) (.cse9 (< 0 |old(~a20~0)|)) (.cse12 (= 6 |old(~a16~0)|)) (.cse18 (and .cse28 .cse30 .cse27 .cse29 .cse31 .cse26)) (.cse14 (not (= 1 |old(~a20~0)|))) (.cse2 (not .cse17)) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse1 (= 1 |old(~a7~0)|)) (.cse8 (not (= 5 |old(~a16~0)|))) (.cse21 (and .cse28 .cse27 .cse29 .cse26 .cse25 (= 5 ~a16~0))) (.cse22 (< |old(~a8~0)| 15)) (.cse11 (not (= 1 |old(~a17~0)|))) (.cse23 (not (= |old(~a20~0)| 1))) (.cse3 (not (= 8 ~a12~0))) (.cse4 (< 0 |old(~a17~0)|)) (.cse20 (< 0 |old(~a21~0)|)) (.cse24 (= |old(~a16~0)| ~a16~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse6 .cse0 .cse7 .cse8 .cse3 (< |old(~a20~0)| 0) .cse9) .cse10 .cse11) (or .cse12 .cse0 .cse3 .cse5 .cse4 .cse9) (or .cse13 (or .cse6 .cse0) .cse10 .cse3 .cse4 .cse14 .cse7 (< 5 |old(~a16~0)|) (< |old(~a16~0)| 4) .cse15 .cse16) (or .cse17 .cse18 .cse3 .cse19 .cse4 .cse20) (or .cse0 .cse1 .cse14 .cse3 .cse5 .cse11) (or .cse0 .cse8 .cse3 .cse4 .cse21) (or .cse0 .cse1 .cse5 .cse3 .cse4 .cse22) (or .cse10 (or (or .cse6 .cse0 (< 6 |old(~a16~0)|) (< |old(~a16~0)| 5) .cse14 .cse7 .cse15 .cse3) .cse4)) (or .cse0 .cse1 .cse2 .cse5 .cse3 .cse19 .cse11) (or (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) .cse10 (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) .cse16 .cse6 .cse13 (not (= 3 ~c~0)) .cse23 (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))) (or .cse0 .cse1 .cse5 .cse3 .cse22 .cse9 .cse11) (or .cse12 .cse18 .cse3 .cse20 .cse11) (or .cse0 .cse14 .cse2 (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse24 .cse25 (= 1 ~a17~0)) .cse3 (not .cse1) (not (= 13 |old(~a8~0)|)) .cse11) (or .cse0 .cse1 .cse8 .cse3 .cse21 .cse22 .cse11) (or (or .cse23 .cse3 .cse4 .cse20) (and .cse26 (and .cse27 .cse28 .cse29 .cse24) .cse30))))) [2018-11-12 17:09:47,846 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-12 17:09:47,846 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,846 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,846 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,847 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,847 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-12 17:09:47,847 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,847 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,847 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-12 17:09:47,847 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-12 17:09:47,847 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-12 17:09:47,847 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-12 17:09:47,847 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-12 17:09:47,848 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-12 17:09:47,848 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-12 17:09:47,848 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-12 17:09:47,848 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-12 17:09:47,848 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-12 17:09:47,848 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-12 17:09:47,848 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-12 17:09:47,848 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,848 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,849 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,849 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,849 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,849 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-12 17:09:47,849 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,849 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-12 17:09:47,849 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-12 17:09:47,849 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-12 17:09:47,849 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-12 17:09:47,849 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-12 17:09:47,850 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-12 17:09:47,850 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-12 17:09:47,850 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-12 17:09:47,850 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-12 17:09:47,850 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-12 17:09:47,850 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-12 17:09:47,850 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-12 17:09:47,850 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-12 17:09:47,850 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-12 17:09:47,850 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,851 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,851 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,851 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,851 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,851 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:47,851 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-12 17:09:47,851 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-12 17:09:47,851 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-12 17:09:47,851 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-12 17:09:47,851 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-12 17:09:47,852 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-12 17:09:47,852 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-12 17:09:47,852 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-12 17:09:47,852 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-12 17:09:47,852 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-12 17:09:47,852 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-12 17:09:47,852 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~a8~0 15) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= 1 ~a21~0) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-12 17:09:47,852 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-12 17:09:47,853 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-12 17:09:47,853 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= ~a8~0 15) (= 1 ~a21~0) (= ~a7~0 0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= 5 ~a16~0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-12 17:09:47,853 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-12 17:09:47,853 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse7 (= 4 ~a16~0)) (.cse0 (not (= ~a16~0 6))) (.cse3 (<= ~a20~0 0)) (.cse10 (<= 1 ~a20~0)) (.cse9 (<= ~a21~0 0)) (.cse11 (= |old(~a20~0)| ~a20~0)) (.cse12 (= ~a16~0 4)) (.cse2 (<= ~a17~0 0)) (.cse5 (<= 15 ~a8~0)) (.cse1 (= 1 ~a21~0)) (.cse4 (not (= ~a7~0 1))) (.cse6 (= 5 ~a16~0)) (.cse8 (= 1 ~a17~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2) (and .cse2 .cse1 .cse6) (and (= 1 ~a20~0) (= 13 ~a8~0) .cse7 .cse1 .cse8) (not (= 3 ~c~0)) (and (not .cse7) .cse9 .cse2 .cse10) (and .cse9 .cse0 .cse8) (not (= 1 |old(~a21~0)|)) (not (= 4 ~d~0)) (not (= 2 ~b~0)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= 21 ~u~0)) (and .cse4 .cse11 .cse1 .cse8) (and .cse4 .cse5 .cse1 .cse3 .cse8) (not (= 22 ~v~0)) (and .cse1 (and .cse12 (and .cse4 .cse10 .cse8))) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (and .cse9 .cse11 .cse2) (not (= 0 |old(~a7~0)|)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (and .cse4 .cse12 .cse1 .cse2) (not (= 15 |old(~a8~0)|)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= 6 ~f~0)) (and .cse5 .cse1 (and .cse4 .cse6 .cse8)))) [2018-11-12 17:09:47,853 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-12 17:09:47,853 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-12 17:09:47,854 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-12 17:09:47,854 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse7 (= 4 ~a16~0)) (.cse0 (not (= ~a16~0 6))) (.cse3 (<= ~a20~0 0)) (.cse10 (<= 1 ~a20~0)) (.cse9 (<= ~a21~0 0)) (.cse11 (= |old(~a20~0)| ~a20~0)) (.cse12 (= ~a16~0 4)) (.cse2 (<= ~a17~0 0)) (.cse5 (<= 15 ~a8~0)) (.cse1 (= 1 ~a21~0)) (.cse4 (not (= ~a7~0 1))) (.cse6 (= 5 ~a16~0)) (.cse8 (= 1 ~a17~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2) (and .cse2 .cse1 .cse6) (and (= 1 ~a20~0) (= 13 ~a8~0) .cse7 .cse1 .cse8) (not (= 3 ~c~0)) (and (not .cse7) .cse9 .cse2 .cse10) (and .cse9 .cse0 .cse8) (not (= 1 |old(~a21~0)|)) (not (= 4 ~d~0)) (not (= 2 ~b~0)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= 21 ~u~0)) (and .cse4 .cse11 .cse1 .cse8) (and .cse4 .cse5 .cse1 .cse3 .cse8) (not (= 22 ~v~0)) (and .cse1 (and .cse12 (and .cse4 .cse10 .cse8))) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (and .cse9 .cse11 .cse2) (not (= 0 |old(~a7~0)|)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (and .cse4 .cse12 .cse1 .cse2) (not (= 15 |old(~a8~0)|)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= 6 ~f~0)) (and .cse5 .cse1 (and .cse4 .cse6 .cse8)))) [2018-11-12 17:09:47,854 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-12 17:09:47,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 05:09:47 BoogieIcfgContainer [2018-11-12 17:09:47,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 17:09:47,870 INFO L168 Benchmark]: Toolchain (without parser) took 130645.25 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-12 17:09:47,871 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 17:09:47,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-12 17:09:47,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.45 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -817.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2018-11-12 17:09:47,873 INFO L168 Benchmark]: Boogie Preprocessor took 97.03 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. [2018-11-12 17:09:47,874 INFO L168 Benchmark]: RCFGBuilder took 3090.13 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: 119.2 MB). Peak memory consumption was 119.2 MB. Max. memory is 7.1 GB. [2018-11-12 17:09:47,874 INFO L168 Benchmark]: TraceAbstraction took 126552.43 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -953.4 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-12 17:09:47,879 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 149.45 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -817.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.03 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 3090.13 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: 119.2 MB). Peak memory consumption was 119.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 126552.43 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -953.4 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 569]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((!(a16 == 6) && 1 == a21) && a17 <= 0) && a20 <= 0) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && a17 <= 0)) || ((a17 <= 0 && 1 == a21) && 5 == a16)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || !(3 == c)) || (((!(4 == a16) && a21 <= 0) && a17 <= 0) && 1 <= a20)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || !(1 == \old(a21))) || !(4 == d)) || !(2 == b)) || !(y == 25)) || !(x == 24)) || !(a12 == 8)) || !(e == 5)) || !(21 == u)) || (((!(a7 == 1) && \old(a20) == a20) && 1 == a21) && 1 == a17)) || ((((!(a7 == 1) && 15 <= a8) && 1 == a21) && a20 <= 0) && 1 == a17)) || !(22 == v)) || (1 == a21 && a16 == 4 && (!(a7 == 1) && 1 <= a20) && 1 == a17)) || !(z == 26)) || !(\old(a16) == 5)) || ((a21 <= 0 && \old(a20) == a20) && a17 <= 0)) || !(0 == \old(a7))) || !(\old(a20) == 1)) || !(23 == w)) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && a17 <= 0)) || !(15 == \old(a8))) || !(a == 1)) || !(\old(a17) == 1)) || !(6 == f)) || ((15 <= a8 && 1 == a21) && (!(a7 == 1) && 5 == a16) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 126.4s OverallTime, 13 OverallIterations, 8 TraceHistogramMax, 77.9s AutomataDifference, 0.0s DeadEndRemovalTime, 13.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1884 SDtfs, 11817 SDslu, 2736 SDs, 0 SdLazy, 17482 SolverSat, 2750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.9s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 3279 GetRequests, 3023 SyntacticMatches, 18 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1737 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11322occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 16.1s AbstIntTime, 8 AbstIntIterations, 4 AbstIntStrong, 0.9974782519149673 AbsIntWeakeningRatio, 0.19428571428571428 AbsIntAvgWeakeningVarsNumRemoved, 19.422857142857143 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1930 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 611 PreInvPairs, 1039 NumberOfFragments, 1368 HoareAnnotationTreeSize, 611 FomulaSimplifications, 77577 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14607 FormulaSimplificationTreeSizeReductionInter, 9.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 3797 NumberOfCodeBlocks, 3797 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 4853 ConstructedInterpolants, 0 QuantifiedInterpolants, 2412701 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2838 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 21 InterpolantComputations, 5 PerfectInterpolantSequences, 4105/4486 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...