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_label10_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:38:40,303 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:38:40,305 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:38:40,322 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:38:40,322 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:38:40,324 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:38:40,326 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:38:40,328 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:38:40,332 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:38:40,334 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:38:40,335 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:38:40,335 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:38:40,338 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:38:40,339 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:38:40,340 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:38:40,343 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:38:40,344 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:38:40,346 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:38:40,356 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:38:40,360 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:38:40,363 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:38:40,365 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:38:40,367 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:38:40,371 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:38:40,371 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:38:40,372 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:38:40,376 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:38:40,376 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:38:40,377 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:38:40,378 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:38:40,378 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:38:40,381 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:38:40,381 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:38:40,383 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:38:40,384 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:38:40,385 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:38:40,385 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 18:38:40,414 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:38:40,415 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:38:40,415 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:38:40,417 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:38:40,417 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:38:40,417 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:38:40,417 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:38:40,417 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:38:40,418 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:38:40,418 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:38:40,418 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:38:40,418 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:38:40,418 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:38:40,420 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:38:40,420 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:38:40,420 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:38:40,420 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:38:40,421 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:38:40,421 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:38:40,421 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:38:40,421 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:38:40,421 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:38:40,423 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:38:40,423 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:38:40,423 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:38:40,424 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:38:40,424 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:38:40,424 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:38:40,424 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:38:40,425 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:38:40,425 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:38:40,425 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:38:40,425 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:38:40,425 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:38:40,426 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:38:40,489 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:38:40,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:38:40,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:38:40,512 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:38:40,512 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:38:40,513 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-11-07 18:38:40,581 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3a952a0d/1169a296b6744e50aed8c0e7def7181d/FLAGb55138c73 [2018-11-07 18:38:41,179 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:38:41,180 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-11-07 18:38:41,196 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3a952a0d/1169a296b6744e50aed8c0e7def7181d/FLAGb55138c73 [2018-11-07 18:38:41,224 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3a952a0d/1169a296b6744e50aed8c0e7def7181d [2018-11-07 18:38:41,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:38:41,237 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:38:41,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:38:41,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:38:41,243 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:38:41,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:38:41" (1/1) ... [2018-11-07 18:38:41,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119bdb92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:38:41, skipping insertion in model container [2018-11-07 18:38:41,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:38:41" (1/1) ... [2018-11-07 18:38:41,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:38:41,322 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:38:41,754 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:38:41,759 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:38:41,902 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:38:41,925 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:38:41,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:38:41 WrapperNode [2018-11-07 18:38:41,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:38:41,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:38:41,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:38:41,927 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:38:41,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:38:41" (1/1) ... [2018-11-07 18:38:41,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:38:41" (1/1) ... [2018-11-07 18:38:42,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:38:42,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:38:42,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:38:42,070 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:38:42,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:38:41" (1/1) ... [2018-11-07 18:38:42,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:38:41" (1/1) ... [2018-11-07 18:38:42,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:38:41" (1/1) ... [2018-11-07 18:38:42,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:38:41" (1/1) ... [2018-11-07 18:38:42,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:38:41" (1/1) ... [2018-11-07 18:38:42,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:38:41" (1/1) ... [2018-11-07 18:38:42,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:38:41" (1/1) ... [2018-11-07 18:38:42,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:38:42,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:38:42,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:38:42,168 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:38:42,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:38:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:38:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:38:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:38:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:38:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:38:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:38:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:38:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:38:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:38:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:38:45,309 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:38:45,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:38:45 BoogieIcfgContainer [2018-11-07 18:38:45,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:38:45,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:38:45,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:38:45,317 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:38:45,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:38:41" (1/3) ... [2018-11-07 18:38:45,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed35cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:38:45, skipping insertion in model container [2018-11-07 18:38:45,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:38:41" (2/3) ... [2018-11-07 18:38:45,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed35cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:38:45, skipping insertion in model container [2018-11-07 18:38:45,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:38:45" (3/3) ... [2018-11-07 18:38:45,321 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label10_true-unreach-call_false-termination.c [2018-11-07 18:38:45,333 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:38:45,343 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:38:45,357 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:38:45,401 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:38:45,403 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:38:45,403 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:38:45,403 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:38:45,403 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:38:45,404 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:38:45,404 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:38:45,404 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:38:45,437 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 18:38:45,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-07 18:38:45,451 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:38:45,453 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] [2018-11-07 18:38:45,455 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:38:45,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:38:45,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1393235429, now seen corresponding path program 1 times [2018-11-07 18:38:45,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:38:45,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:38:45,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:38:45,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:38:45,511 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:38:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:38:46,118 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:38:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:38:46,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:38:46,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:38:46,212 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:38:46,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:38:46,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:38:46,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:38:46,242 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 18:38:48,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:38:48,066 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 18:38:48,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:38:48,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-11-07 18:38:48,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:38:48,092 INFO L225 Difference]: With dead ends: 550 [2018-11-07 18:38:48,092 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 18:38:48,104 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:38:48,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 18:38:48,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 18:38:48,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 18:38:48,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-11-07 18:38:48,190 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 117 [2018-11-07 18:38:48,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:38:48,191 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-11-07 18:38:48,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:38:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-11-07 18:38:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-07 18:38:48,201 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:38:48,201 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 18:38:48,205 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:38:48,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:38:48,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1543937650, now seen corresponding path program 1 times [2018-11-07 18:38:48,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:38:48,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:38:48,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:38:48,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:38:48,207 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:38:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:38:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:38:48,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:38:48,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 18:38:48,424 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:38:48,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 18:38:48,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 18:38:48,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 18:38:48,427 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-11-07 18:38:50,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:38:50,333 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-11-07 18:38:50,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:38:50,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2018-11-07 18:38:50,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:38:50,346 INFO L225 Difference]: With dead ends: 1079 [2018-11-07 18:38:50,346 INFO L226 Difference]: Without dead ends: 745 [2018-11-07 18:38:50,350 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 18:38:50,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-07 18:38:50,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-11-07 18:38:50,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-11-07 18:38:50,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-11-07 18:38:50,423 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 127 [2018-11-07 18:38:50,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:38:50,423 INFO L480 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-11-07 18:38:50,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 18:38:50,424 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-11-07 18:38:50,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-07 18:38:50,434 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:38:50,434 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 18:38:50,435 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:38:50,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:38:50,435 INFO L82 PathProgramCache]: Analyzing trace with hash 942593623, now seen corresponding path program 1 times [2018-11-07 18:38:50,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:38:50,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:38:50,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:38:50,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:38:50,437 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:38:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:38:50,673 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:38:50,673 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:38:50,673 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:38:50,674 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-07 18:38:50,677 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [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], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:38:50,737 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:38:50,738 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:38:52,124 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:38:52,126 INFO L272 AbstractInterpreter]: Visited 121 different actions 186 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 18:38:52,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:38:52,186 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:38:52,905 INFO L227 lantSequenceWeakener]: Weakened 150 states. On average, predicates are now at 80.43% of their original sizes. [2018-11-07 18:38:52,905 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:38:53,867 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-07 18:38:53,868 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:38:53,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:38:53,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 18:38:53,871 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:38:53,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:38:53,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:38:53,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:38:53,875 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 11 states. [2018-11-07 18:39:09,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:39:09,918 INFO L93 Difference]: Finished difference Result 2333 states and 3723 transitions. [2018-11-07 18:39:09,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 18:39:09,918 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 153 [2018-11-07 18:39:09,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:39:09,927 INFO L225 Difference]: With dead ends: 2333 [2018-11-07 18:39:09,927 INFO L226 Difference]: Without dead ends: 1606 [2018-11-07 18:39:09,931 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2018-11-07 18:39:09,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2018-11-07 18:39:09,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1579. [2018-11-07 18:39:09,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1579 states. [2018-11-07 18:39:09,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1579 states and 2094 transitions. [2018-11-07 18:39:09,982 INFO L78 Accepts]: Start accepts. Automaton has 1579 states and 2094 transitions. Word has length 153 [2018-11-07 18:39:09,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:39:09,982 INFO L480 AbstractCegarLoop]: Abstraction has 1579 states and 2094 transitions. [2018-11-07 18:39:09,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:39:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 2094 transitions. [2018-11-07 18:39:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-07 18:39:09,989 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:39:09,989 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 18:39:09,990 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:39:09,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:09,990 INFO L82 PathProgramCache]: Analyzing trace with hash 175816796, now seen corresponding path program 1 times [2018-11-07 18:39:09,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:39:09,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:09,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:39:09,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:09,992 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:39:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:39:10,175 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 18:39:10,176 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:39:10,176 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:39:10,176 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-07 18:39:10,176 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [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], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:39:10,182 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:39:10,183 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:39:10,677 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:39:10,677 INFO L272 AbstractInterpreter]: Visited 122 different actions 191 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 18:39:10,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:10,679 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:39:11,223 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 81.3% of their original sizes. [2018-11-07 18:39:11,223 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:39:11,717 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-11-07 18:39:11,717 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:39:11,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:39:11,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-07 18:39:11,718 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:39:11,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-07 18:39:11,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-07 18:39:11,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:39:11,720 INFO L87 Difference]: Start difference. First operand 1579 states and 2094 transitions. Second operand 19 states. [2018-11-07 18:39:32,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:39:32,649 INFO L93 Difference]: Finished difference Result 3437 states and 4621 transitions. [2018-11-07 18:39:32,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-07 18:39:32,649 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 166 [2018-11-07 18:39:32,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:39:32,659 INFO L225 Difference]: With dead ends: 3437 [2018-11-07 18:39:32,659 INFO L226 Difference]: Without dead ends: 2000 [2018-11-07 18:39:32,664 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 177 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2018-11-07 18:39:32,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2018-11-07 18:39:32,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 1990. [2018-11-07 18:39:32,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1990 states. [2018-11-07 18:39:32,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1990 states and 2546 transitions. [2018-11-07 18:39:32,724 INFO L78 Accepts]: Start accepts. Automaton has 1990 states and 2546 transitions. Word has length 166 [2018-11-07 18:39:32,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:39:32,724 INFO L480 AbstractCegarLoop]: Abstraction has 1990 states and 2546 transitions. [2018-11-07 18:39:32,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-07 18:39:32,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2546 transitions. [2018-11-07 18:39:32,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-07 18:39:32,732 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:39:32,732 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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] [2018-11-07 18:39:32,733 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:39:32,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:32,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1952384591, now seen corresponding path program 1 times [2018-11-07 18:39:32,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:39:32,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:32,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:39:32,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:32,735 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:39:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:39:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 18:39:32,910 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:39:32,910 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:39:32,911 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-11-07 18:39:32,911 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [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], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:39:32,916 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:39:32,916 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:39:34,638 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:39:34,638 INFO L272 AbstractInterpreter]: Visited 124 different actions 692 times. Merged at 9 different actions 57 times. Widened at 1 different actions 2 times. Found 14 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 18:39:34,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:34,648 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:39:34,648 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:39:34,648 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:39:34,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:39:34,660 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:39:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:39:34,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:39:34,932 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-07 18:39:34,932 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:39:36,033 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 18:39:36,068 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:39:36,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-07 18:39:36,069 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:39:36,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 18:39:36,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 18:39:36,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:39:36,071 INFO L87 Difference]: Start difference. First operand 1990 states and 2546 transitions. Second operand 8 states. [2018-11-07 18:39:42,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:39:42,092 INFO L93 Difference]: Finished difference Result 5759 states and 8248 transitions. [2018-11-07 18:39:42,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 18:39:42,092 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2018-11-07 18:39:42,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:39:42,113 INFO L225 Difference]: With dead ends: 5759 [2018-11-07 18:39:42,113 INFO L226 Difference]: Without dead ends: 2956 [2018-11-07 18:39:42,130 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-07 18:39:42,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2018-11-07 18:39:42,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 2846. [2018-11-07 18:39:42,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2846 states. [2018-11-07 18:39:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 3454 transitions. [2018-11-07 18:39:42,241 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 3454 transitions. Word has length 178 [2018-11-07 18:39:42,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:39:42,242 INFO L480 AbstractCegarLoop]: Abstraction has 2846 states and 3454 transitions. [2018-11-07 18:39:42,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 18:39:42,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3454 transitions. [2018-11-07 18:39:42,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-07 18:39:42,258 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:39:42,259 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, 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] [2018-11-07 18:39:42,259 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:39:42,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:42,260 INFO L82 PathProgramCache]: Analyzing trace with hash -8986296, now seen corresponding path program 1 times [2018-11-07 18:39:42,260 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:39:42,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:42,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:39:42,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:39:42,263 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:39:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:39:42,659 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 18:39:42,724 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-07 18:39:42,724 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:39:42,725 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:39:42,725 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-11-07 18:39:42,725 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [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], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:39:42,730 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:39:42,730 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:39:43,519 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:39:43,519 INFO L272 AbstractInterpreter]: Visited 122 different actions 189 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 18:39:43,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:39:43,558 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:39:44,511 INFO L227 lantSequenceWeakener]: Weakened 86 states. On average, predicates are now at 81.13% of their original sizes. [2018-11-07 18:39:44,512 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:39:45,547 INFO L415 sIntCurrentIteration]: We unified 198 AI predicates to 198 [2018-11-07 18:39:45,548 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:39:45,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:39:45,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [6] total 27 [2018-11-07 18:39:45,548 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:39:45,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-07 18:39:45,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-07 18:39:45,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2018-11-07 18:39:45,550 INFO L87 Difference]: Start difference. First operand 2846 states and 3454 transitions. Second operand 23 states. [2018-11-07 18:40:06,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:40:06,866 INFO L93 Difference]: Finished difference Result 5562 states and 6855 transitions. [2018-11-07 18:40:06,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-07 18:40:06,867 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 199 [2018-11-07 18:40:06,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:40:06,884 INFO L225 Difference]: With dead ends: 5562 [2018-11-07 18:40:06,885 INFO L226 Difference]: Without dead ends: 3269 [2018-11-07 18:40:06,892 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 171 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=319, Invalid=1013, Unknown=0, NotChecked=0, Total=1332 [2018-11-07 18:40:06,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3269 states. [2018-11-07 18:40:06,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3269 to 3122. [2018-11-07 18:40:06,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3122 states. [2018-11-07 18:40:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3122 states to 3122 states and 3746 transitions. [2018-11-07 18:40:06,968 INFO L78 Accepts]: Start accepts. Automaton has 3122 states and 3746 transitions. Word has length 199 [2018-11-07 18:40:06,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:40:06,969 INFO L480 AbstractCegarLoop]: Abstraction has 3122 states and 3746 transitions. [2018-11-07 18:40:06,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-07 18:40:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3122 states and 3746 transitions. [2018-11-07 18:40:06,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-07 18:40:06,979 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:40:06,980 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, 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] [2018-11-07 18:40:06,980 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:40:06,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:40:06,981 INFO L82 PathProgramCache]: Analyzing trace with hash -356646139, now seen corresponding path program 1 times [2018-11-07 18:40:06,981 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:40:06,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:40:06,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:40:06,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:40:06,982 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:40:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:40:07,931 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-07 18:40:07,931 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:40:07,931 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:40:07,932 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-07 18:40:07,932 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [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], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:40:07,936 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:40:07,936 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:40:09,263 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:40:09,264 INFO L272 AbstractInterpreter]: Visited 124 different actions 574 times. Merged at 9 different actions 50 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 18:40:09,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:40:09,277 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:40:09,277 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:40:09,277 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:40:09,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:40:09,288 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:40:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:40:09,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:40:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-07 18:40:09,468 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:40:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 96 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-07 18:40:09,622 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:40:09,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-07 18:40:09,622 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:40:09,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:40:09,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:40:09,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-07 18:40:09,623 INFO L87 Difference]: Start difference. First operand 3122 states and 3746 transitions. Second operand 11 states. [2018-11-07 18:40:12,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:40:12,963 INFO L93 Difference]: Finished difference Result 10630 states and 13546 transitions. [2018-11-07 18:40:12,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 18:40:12,971 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 208 [2018-11-07 18:40:12,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:40:13,012 INFO L225 Difference]: With dead ends: 10630 [2018-11-07 18:40:13,012 INFO L226 Difference]: Without dead ends: 8061 [2018-11-07 18:40:13,030 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 419 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-07 18:40:13,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8061 states. [2018-11-07 18:40:13,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8061 to 7619. [2018-11-07 18:40:13,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7619 states. [2018-11-07 18:40:13,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7619 states to 7619 states and 9297 transitions. [2018-11-07 18:40:13,258 INFO L78 Accepts]: Start accepts. Automaton has 7619 states and 9297 transitions. Word has length 208 [2018-11-07 18:40:13,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:40:13,258 INFO L480 AbstractCegarLoop]: Abstraction has 7619 states and 9297 transitions. [2018-11-07 18:40:13,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:40:13,258 INFO L276 IsEmpty]: Start isEmpty. Operand 7619 states and 9297 transitions. [2018-11-07 18:40:13,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-07 18:40:13,281 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:40:13,281 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, 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] [2018-11-07 18:40:13,282 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:40:13,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:40:13,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1802410093, now seen corresponding path program 2 times [2018-11-07 18:40:13,282 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:40:13,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:40:13,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:40:13,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:40:13,284 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:40:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:40:13,808 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 18:40:13,808 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:40:13,808 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:40:13,808 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 18:40:13,808 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 18:40:13,809 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:40:13,809 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:40:13,820 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 18:40:13,820 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 18:40:13,901 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-07 18:40:13,901 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 18:40:13,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:40:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-07 18:40:14,265 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:40:14,546 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-07 18:40:14,577 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:40:14,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-07 18:40:14,578 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:40:14,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:40:14,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:40:14,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:40:14,579 INFO L87 Difference]: Start difference. First operand 7619 states and 9297 transitions. Second operand 3 states. [2018-11-07 18:40:15,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:40:15,409 INFO L93 Difference]: Finished difference Result 12879 states and 15685 transitions. [2018-11-07 18:40:15,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:40:15,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2018-11-07 18:40:15,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:40:15,413 INFO L225 Difference]: With dead ends: 12879 [2018-11-07 18:40:15,414 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:40:15,448 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:40:15,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:40:15,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:40:15,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:40:15,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:40:15,452 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2018-11-07 18:40:15,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:40:15,452 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:40:15,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:40:15,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:40:15,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:40:15,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:40:15,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:15,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:15,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:15,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:15,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:15,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:15,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:15,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:15,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:15,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:15,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:15,893 WARN L179 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 165 [2018-11-07 18:40:16,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:16,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:16,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:16,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:16,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:16,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:16,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:16,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:16,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:16,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:40:16,107 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 150 [2018-11-07 18:40:16,619 WARN L179 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2018-11-07 18:40:17,788 WARN L179 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 138 DAG size of output: 86 [2018-11-07 18:40:22,823 WARN L179 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 342 DAG size of output: 111 [2018-11-07 18:40:23,042 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-11-07 18:40:24,034 WARN L179 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 89 [2018-11-07 18:40:24,425 WARN L179 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 89 [2018-11-07 18:40:24,428 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:40:24,429 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0)) [2018-11-07 18:40:24,429 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:40:24,429 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 18:40:24,429 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 18:40:24,429 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,429 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,429 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,430 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,430 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,430 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,430 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 18:40:24,430 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 18:40:24,430 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 18:40:24,430 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 18:40:24,430 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 18:40:24,430 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 18:40:24,430 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 18:40:24,430 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 18:40:24,431 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 18:40:24,431 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 18:40:24,431 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,431 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,431 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,431 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,431 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,431 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,431 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 18:40:24,431 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 18:40:24,432 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 18:40:24,432 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 18:40:24,432 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 18:40:24,432 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 18:40:24,432 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 18:40:24,432 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 18:40:24,432 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 18:40:24,432 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 18:40:24,432 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 18:40:24,432 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 18:40:24,432 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 18:40:24,433 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 18:40:24,433 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 18:40:24,433 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,433 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,433 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,433 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,433 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,433 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 18:40:24,433 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 18:40:24,433 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 18:40:24,433 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 18:40:24,433 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 18:40:24,433 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 18:40:24,434 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 18:40:24,434 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 18:40:24,434 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2018-11-07 18:40:24,434 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 18:40:24,434 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,434 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,434 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,434 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,434 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,435 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 18:40:24,435 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 18:40:24,435 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 18:40:24,435 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 18:40:24,435 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 18:40:24,435 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 18:40:24,435 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 18:40:24,435 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 18:40:24,436 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 18:40:24,436 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 18:40:24,436 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 18:40:24,436 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 18:40:24,436 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 18:40:24,436 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,436 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,436 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,437 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,437 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,437 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 18:40:24,437 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 18:40:24,437 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 18:40:24,437 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 18:40:24,437 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 18:40:24,437 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 18:40:24,437 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 18:40:24,438 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 18:40:24,438 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 18:40:24,438 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,438 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,438 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,438 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,438 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,438 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,438 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,438 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 18:40:24,438 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 18:40:24,438 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 18:40:24,439 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 18:40:24,439 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 18:40:24,439 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 18:40:24,439 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 18:40:24,439 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 18:40:24,439 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 18:40:24,439 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 18:40:24,439 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 18:40:24,439 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 18:40:24,440 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 18:40:24,440 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 18:40:24,440 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,440 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,440 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,440 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,440 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,440 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 18:40:24,441 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 18:40:24,441 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 18:40:24,441 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 18:40:24,441 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 18:40:24,441 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 18:40:24,441 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 18:40:24,441 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 18:40:24,441 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,441 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,442 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,442 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,442 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,442 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 18:40:24,442 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 18:40:24,442 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 18:40:24,442 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 18:40:24,442 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 18:40:24,442 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 18:40:24,442 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 18:40:24,443 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 18:40:24,443 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 18:40:24,443 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 18:40:24,443 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (= |old(~a8~0)| ~a8~0)) (.cse15 (= |old(~a20~0)| ~a20~0)) (.cse12 (= 1 |old(~a21~0)|)) (.cse6 (= ~a21~0 1))) (let ((.cse0 (< 6 |calculate_output_#in~input|)) (.cse7 (< |calculate_output_#in~input| 1)) (.cse8 (= 13 |old(~a8~0)|)) (.cse11 (< 13 |old(~a8~0)|)) (.cse9 (not (= 1 |old(~a7~0)|))) (.cse13 (not .cse6)) (.cse5 (= ~a17~0 1)) (.cse3 (not (= 1 |old(~a17~0)|))) (.cse17 (not (= 0 |old(~a7~0)|))) (.cse1 (not .cse12)) (.cse2 (not (= 8 ~a12~0))) (.cse4 (not (= 1 |old(~a20~0)|))) (.cse18 (not (= 15 |old(~a8~0)|))) (.cse16 (= 6 |old(~a16~0)|)) (.cse10 (and (= ~a7~0 |old(~a7~0)|) .cse14 .cse15))) (and (or .cse0 .cse1 (< 15 |old(~a8~0)|) .cse2 .cse3 .cse4 (< 5 |old(~a16~0)|) (< |old(~a16~0)| 4) (< 1 |old(~a7~0)|) (< |old(~a8~0)| 13) (and (<= ~a16~0 5) .cse5 .cse6 (<= 4 ~a16~0)) (< |old(~a7~0)| 0) .cse7) (or .cse0 (or .cse1 (not (= 4 |old(~a16~0)|)) (not .cse8)) .cse2 .cse3 .cse4 .cse9 .cse7 (= ~a16~0 4)) (or .cse10 .cse8) (or .cse11 .cse12 (< |old(~a20~0)| 1) (and .cse13 (= 1 ~a7~0) .cse14 .cse15) .cse9) (or .cse16 .cse11 .cse12 .cse9 .cse13) (or .cse16 (not (= ~a16~0 6))) (or (and .cse5 .cse6 (= ~a16~0 5)) (or .cse17 .cse1 .cse2 (< |old(~a20~0)| 0) .cse3 .cse18 (not (= 5 |old(~a16~0)|)) (< 0 |old(~a20~0)|))) (or .cse4 .cse10) (or (or .cse17 .cse1 .cse2 (< 1 |old(~a17~0)|) (< |old(~a16~0)| 5) (< 6 |old(~a16~0)|) .cse4 .cse18 (< |old(~a17~0)| 0)) (and (<= 0 ~a17~0) (<= 5 ~a16~0) .cse6 (<= ~a17~0 1) (<= ~a16~0 6))) (or .cse16 .cse10)))) [2018-11-07 18:40:24,443 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 18:40:24,444 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,444 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,444 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,444 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,444 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,444 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 18:40:24,444 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,444 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 18:40:24,444 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 18:40:24,444 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 18:40:24,445 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 18:40:24,445 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 18:40:24,445 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 18:40:24,445 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 18:40:24,445 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 18:40:24,445 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 18:40:24,445 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 18:40:24,445 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 18:40:24,445 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 18:40:24,446 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,446 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,446 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,446 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,446 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,446 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,446 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 18:40:24,446 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 18:40:24,446 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 18:40:24,446 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 18:40:24,447 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 18:40:24,447 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 18:40:24,447 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 18:40:24,447 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 18:40:24,447 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 18:40:24,447 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 18:40:24,447 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 18:40:24,447 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 18:40:24,447 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 18:40:24,447 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 18:40:24,448 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 18:40:24,448 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,448 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,448 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,448 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,448 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,448 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:40:24,448 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 18:40:24,448 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 18:40:24,448 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 18:40:24,449 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 18:40:24,449 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 18:40:24,449 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 18:40:24,449 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 18:40:24,449 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 18:40:24,449 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 18:40:24,449 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 18:40:24,449 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:40:24,449 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) (= ~a21~0 1) (= ~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) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-07 18:40:24,449 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:40:24,449 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:40:24,450 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= ~v~0 22)) (and (= ~a21~0 1) (= |old(~a8~0)| ~a8~0) (= ~a17~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-07 18:40:24,450 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 18:40:24,450 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (not (= ~a8~0 13)) (not (= ~a16~0 6)) (= |old(~a20~0)| ~a20~0) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (and (not (= ~a21~0 1)) (= 1 ~a7~0) (<= 1 ~a20~0)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))) [2018-11-07 18:40:24,450 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 18:40:24,450 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 18:40:24,450 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 18:40:24,450 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (or (not (= ~a8~0 13)) (not (= ~a16~0 6)) (= |old(~a20~0)| ~a20~0) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (and (not (= ~a21~0 1)) (= 1 ~a7~0) (<= 1 ~a20~0)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))) [2018-11-07 18:40:24,450 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 18:40:24,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:40:24 BoogieIcfgContainer [2018-11-07 18:40:24,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:40:24,465 INFO L168 Benchmark]: Toolchain (without parser) took 103229.08 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-11-07 18:40:24,466 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:40:24,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-07 18:40:24,468 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.16 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 719.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -816.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-07 18:40:24,468 INFO L168 Benchmark]: Boogie Preprocessor took 98.41 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:40:24,469 INFO L168 Benchmark]: RCFGBuilder took 3144.10 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 120.2 MB). Peak memory consumption was 120.2 MB. Max. memory is 7.1 GB. [2018-11-07 18:40:24,470 INFO L168 Benchmark]: TraceAbstraction took 99151.23 ms. Allocated memory was 2.2 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 2.9 GB in the end (delta: -856.1 MB). Peak memory consumption was 955.3 MB. Max. memory is 7.1 GB. [2018-11-07 18:40:24,475 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 142.16 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 719.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -816.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.41 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3144.10 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 120.2 MB). Peak memory consumption was 120.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 99151.23 ms. Allocated memory was 2.2 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 2.9 GB in the end (delta: -856.1 MB). Peak memory consumption was 955.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: 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: (((((((((((((((((((((!(a8 == 13) || !(a16 == 6)) || \old(a20) == a20) || !(\old(a21) == 1)) || !(b == 2)) || !(y == 25)) || !(x == 24)) || !(a12 == 8)) || ((!(a21 == 1) && 1 == a7) && 1 <= a20)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(z == 26)) || !(\old(a16) == 5)) || !(0 == \old(a7))) || !(3 == c)) || !(\old(a20) == 1)) || !(23 == w)) || !(a == 1)) || !(\old(a17) == 1)) || !(\old(a8) == 15)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 99.0s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 72.4s AutomataDifference, 0.0s DeadEndRemovalTime, 8.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1276 SDtfs, 8780 SDslu, 1986 SDs, 0 SdLazy, 14298 SolverSat, 2083 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1831 GetRequests, 1673 SyntacticMatches, 11 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 852 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7619occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.9s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.997084965916678 AbsIntWeakeningRatio, 0.22718446601941747 AbsIntAvgWeakeningVarsNumRemoved, 16.5378640776699 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 748 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 159 PreInvPairs, 299 NumberOfFragments, 665 HoareAnnotationTreeSize, 159 FomulaSimplifications, 11642 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5696 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1950 NumberOfCodeBlocks, 1883 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2530 ConstructedInterpolants, 0 QuantifiedInterpolants, 937256 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1529 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 1382/1572 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...