java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:05:59,138 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:05:59,140 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:05:59,152 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:05:59,153 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:05:59,154 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:05:59,155 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:05:59,157 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:05:59,159 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:05:59,160 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:05:59,161 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:05:59,161 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:05:59,162 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:05:59,164 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:05:59,166 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:05:59,166 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:05:59,169 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:05:59,174 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:05:59,179 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:05:59,181 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:05:59,181 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:05:59,184 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:05:59,187 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 07:05:59,187 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 07:05:59,187 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 07:05:59,188 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 07:05:59,189 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 07:05:59,190 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 07:05:59,190 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 07:05:59,191 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 07:05:59,192 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 07:05:59,192 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 07:05:59,193 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 07:05:59,193 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 07:05:59,194 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 07:05:59,195 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 07:05:59,195 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 07:05:59,215 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:05:59,215 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:05:59,216 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:05:59,216 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:05:59,216 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:05:59,216 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:05:59,217 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:05:59,217 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:05:59,217 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:05:59,217 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:05:59,217 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:05:59,218 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:05:59,218 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:05:59,218 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:05:59,220 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:05:59,220 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:05:59,220 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:05:59,220 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:05:59,221 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:05:59,221 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:05:59,221 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:05:59,221 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:05:59,221 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:05:59,223 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:05:59,223 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:05:59,223 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:05:59,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:05:59,224 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:05:59,224 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:05:59,224 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:05:59,224 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:05:59,225 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:05:59,225 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:05:59,225 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:05:59,226 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:05:59,226 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:05:59,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:05:59,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:05:59,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:05:59,297 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:05:59,297 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:05:59,298 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-07 07:05:59,367 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa85ae83/85f04fdcf1ec4143861291a59e346792/FLAGa89e980fa [2018-11-07 07:05:59,956 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:05:59,956 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-07 07:05:59,976 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa85ae83/85f04fdcf1ec4143861291a59e346792/FLAGa89e980fa [2018-11-07 07:06:00,005 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa85ae83/85f04fdcf1ec4143861291a59e346792 [2018-11-07 07:06:00,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:06:00,021 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:06:00,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:06:00,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:06:00,028 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:06:00,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:06:00" (1/1) ... [2018-11-07 07:06:00,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36cdc79c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:00, skipping insertion in model container [2018-11-07 07:06:00,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:06:00" (1/1) ... [2018-11-07 07:06:00,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:06:00,120 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:06:00,582 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:06:00,587 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:06:00,707 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:06:00,731 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:06:00,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:00 WrapperNode [2018-11-07 07:06:00,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:06:00,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:06:00,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:06:00,734 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:06:00,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:00" (1/1) ... [2018-11-07 07:06:00,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:00" (1/1) ... [2018-11-07 07:06:00,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:06:00,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:06:00,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:06:00,869 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:06:00,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:00" (1/1) ... [2018-11-07 07:06:00,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:00" (1/1) ... [2018-11-07 07:06:00,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:00" (1/1) ... [2018-11-07 07:06:00,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:00" (1/1) ... [2018-11-07 07:06:00,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:00" (1/1) ... [2018-11-07 07:06:00,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:00" (1/1) ... [2018-11-07 07:06:00,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:00" (1/1) ... [2018-11-07 07:06:00,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:06:00,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:06:00,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:06:00,969 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:06:00,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:06:01,043 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:06:01,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:06:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:06:01,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:06:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:06:01,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:06:01,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:06:01,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:06:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:06:04,357 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:06:04,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:06:04 BoogieIcfgContainer [2018-11-07 07:06:04,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:06:04,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:06:04,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:06:04,363 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:06:04,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:06:00" (1/3) ... [2018-11-07 07:06:04,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b15e157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:06:04, skipping insertion in model container [2018-11-07 07:06:04,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:06:00" (2/3) ... [2018-11-07 07:06:04,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b15e157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:06:04, skipping insertion in model container [2018-11-07 07:06:04,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:06:04" (3/3) ... [2018-11-07 07:06:04,367 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label41_true-unreach-call_false-termination.c [2018-11-07 07:06:04,377 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:06:04,388 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:06:04,406 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:06:04,444 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:06:04,444 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:06:04,445 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:06:04,445 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:06:04,445 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:06:04,446 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:06:04,446 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:06:04,446 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:06:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 07:06:04,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-07 07:06:04,485 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:06:04,486 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] [2018-11-07 07:06:04,489 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:06:04,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:04,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1784134456, now seen corresponding path program 1 times [2018-11-07 07:06:04,498 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:06:04,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:04,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:04,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:04,550 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:06:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:05,147 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:06:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:06:05,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:06:05,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:06:05,312 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:06:05,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:06:05,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:06:05,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:06:05,340 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 07:06:06,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:06:06,876 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 07:06:06,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:06:06,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-11-07 07:06:06,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:06:06,895 INFO L225 Difference]: With dead ends: 550 [2018-11-07 07:06:06,896 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 07:06:06,902 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:06:06,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 07:06:06,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 07:06:06,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 07:06:06,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-11-07 07:06:06,996 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 92 [2018-11-07 07:06:06,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:06:06,998 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-11-07 07:06:06,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:06:06,998 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-11-07 07:06:07,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-07 07:06:07,008 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:06:07,008 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:06:07,011 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:06:07,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:07,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1017763991, now seen corresponding path program 1 times [2018-11-07 07:06:07,012 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:06:07,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:07,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:07,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:07,016 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:06:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:07,279 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:06:07,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:06:07,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:06:07,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:06:07,499 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:06:07,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:06:07,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:06:07,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:06:07,502 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-11-07 07:06:09,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:06:09,816 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-11-07 07:06:09,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:06:09,817 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-07 07:06:09,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:06:09,824 INFO L225 Difference]: With dead ends: 888 [2018-11-07 07:06:09,824 INFO L226 Difference]: Without dead ends: 554 [2018-11-07 07:06:09,830 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:06:09,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-07 07:06:09,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-11-07 07:06:09,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-11-07 07:06:09,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-11-07 07:06:09,879 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 103 [2018-11-07 07:06:09,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:06:09,879 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-11-07 07:06:09,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:06:09,879 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-11-07 07:06:09,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-07 07:06:09,884 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:06:09,884 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:06:09,885 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:06:09,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:09,885 INFO L82 PathProgramCache]: Analyzing trace with hash 869358827, now seen corresponding path program 1 times [2018-11-07 07:06:09,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:06:09,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:09,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:09,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:09,887 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:06:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:10,074 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:06:10,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:06:10,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:06:10,075 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:06:10,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:06:10,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:06:10,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:06:10,076 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-11-07 07:06:11,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:06:11,133 INFO L93 Difference]: Finished difference Result 1530 states and 2432 transitions. [2018-11-07 07:06:11,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:06:11,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-11-07 07:06:11,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:06:11,149 INFO L225 Difference]: With dead ends: 1530 [2018-11-07 07:06:11,150 INFO L226 Difference]: Without dead ends: 997 [2018-11-07 07:06:11,154 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:06:11,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2018-11-07 07:06:11,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2018-11-07 07:06:11,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2018-11-07 07:06:11,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1488 transitions. [2018-11-07 07:06:11,228 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1488 transitions. Word has length 104 [2018-11-07 07:06:11,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:06:11,229 INFO L480 AbstractCegarLoop]: Abstraction has 997 states and 1488 transitions. [2018-11-07 07:06:11,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:06:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1488 transitions. [2018-11-07 07:06:11,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-07 07:06:11,237 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:06:11,237 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:06:11,237 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:06:11,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:11,238 INFO L82 PathProgramCache]: Analyzing trace with hash -58190001, now seen corresponding path program 1 times [2018-11-07 07:06:11,238 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:06:11,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:11,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:11,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:11,240 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:06:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:11,538 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:06:11,842 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:06:11,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:06:11,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:06:11,843 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:06:11,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:06:11,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:06:11,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:06:11,844 INFO L87 Difference]: Start difference. First operand 997 states and 1488 transitions. Second operand 6 states. [2018-11-07 07:06:14,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:06:14,726 INFO L93 Difference]: Finished difference Result 2927 states and 4616 transitions. [2018-11-07 07:06:14,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:06:14,734 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2018-11-07 07:06:14,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:06:14,751 INFO L225 Difference]: With dead ends: 2927 [2018-11-07 07:06:14,751 INFO L226 Difference]: Without dead ends: 1936 [2018-11-07 07:06:14,758 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:06:14,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2018-11-07 07:06:14,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1881. [2018-11-07 07:06:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-11-07 07:06:14,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2656 transitions. [2018-11-07 07:06:14,849 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2656 transitions. Word has length 118 [2018-11-07 07:06:14,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:06:14,850 INFO L480 AbstractCegarLoop]: Abstraction has 1881 states and 2656 transitions. [2018-11-07 07:06:14,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:06:14,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2656 transitions. [2018-11-07 07:06:14,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-07 07:06:14,857 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:06:14,857 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, 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] [2018-11-07 07:06:14,858 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:06:14,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:14,858 INFO L82 PathProgramCache]: Analyzing trace with hash -2017463946, now seen corresponding path program 1 times [2018-11-07 07:06:14,858 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:06:14,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:14,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:14,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:14,859 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:06:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:06:15,007 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:06:15,007 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:06:15,008 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-11-07 07:06:15,010 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [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], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:06:15,064 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:06:15,064 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:06:15,875 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:06:15,877 INFO L272 AbstractInterpreter]: Visited 96 different actions 185 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 07:06:15,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:15,925 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:06:16,407 INFO L227 lantSequenceWeakener]: Weakened 133 states. On average, predicates are now at 81.43% of their original sizes. [2018-11-07 07:06:16,408 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:06:17,013 INFO L415 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-11-07 07:06:17,014 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:06:17,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:06:17,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 07:06:17,015 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:06:17,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:06:17,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:06:17,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:06:17,017 INFO L87 Difference]: Start difference. First operand 1881 states and 2656 transitions. Second operand 10 states. [2018-11-07 07:06:27,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:06:27,972 INFO L93 Difference]: Finished difference Result 5464 states and 7703 transitions. [2018-11-07 07:06:27,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 07:06:27,972 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2018-11-07 07:06:27,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:06:27,992 INFO L225 Difference]: With dead ends: 5464 [2018-11-07 07:06:27,993 INFO L226 Difference]: Without dead ends: 3589 [2018-11-07 07:06:28,003 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-07 07:06:28,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3589 states. [2018-11-07 07:06:28,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3589 to 3541. [2018-11-07 07:06:28,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3541 states. [2018-11-07 07:06:28,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 4515 transitions. [2018-11-07 07:06:28,107 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 4515 transitions. Word has length 136 [2018-11-07 07:06:28,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:06:28,108 INFO L480 AbstractCegarLoop]: Abstraction has 3541 states and 4515 transitions. [2018-11-07 07:06:28,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:06:28,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4515 transitions. [2018-11-07 07:06:28,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-07 07:06:28,116 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:06:28,117 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, 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] [2018-11-07 07:06:28,117 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:06:28,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:28,117 INFO L82 PathProgramCache]: Analyzing trace with hash -970438447, now seen corresponding path program 1 times [2018-11-07 07:06:28,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:06:28,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:28,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:28,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:28,119 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:06:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:28,337 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 07:06:28,337 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:06:28,337 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:06:28,337 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-07 07:06:28,338 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [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], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:06:28,344 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:06:28,344 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:06:28,547 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:06:28,548 INFO L272 AbstractInterpreter]: Visited 97 different actions 188 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 07:06:28,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:28,553 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:06:28,959 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 81.43% of their original sizes. [2018-11-07 07:06:28,959 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:06:29,139 INFO L415 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-11-07 07:06:29,140 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:06:29,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:06:29,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 07:06:29,140 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:06:29,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:06:29,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:06:29,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:06:29,142 INFO L87 Difference]: Start difference. First operand 3541 states and 4515 transitions. Second operand 10 states. [2018-11-07 07:06:33,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:06:33,606 INFO L93 Difference]: Finished difference Result 7081 states and 9076 transitions. [2018-11-07 07:06:33,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 07:06:33,606 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 149 [2018-11-07 07:06:33,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:06:33,745 INFO L225 Difference]: With dead ends: 7081 [2018-11-07 07:06:33,745 INFO L226 Difference]: Without dead ends: 3682 [2018-11-07 07:06:33,755 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-07 07:06:33,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3682 states. [2018-11-07 07:06:33,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3682 to 3679. [2018-11-07 07:06:33,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3679 states. [2018-11-07 07:06:33,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3679 states to 3679 states and 4669 transitions. [2018-11-07 07:06:33,842 INFO L78 Accepts]: Start accepts. Automaton has 3679 states and 4669 transitions. Word has length 149 [2018-11-07 07:06:33,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:06:33,842 INFO L480 AbstractCegarLoop]: Abstraction has 3679 states and 4669 transitions. [2018-11-07 07:06:33,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:06:33,842 INFO L276 IsEmpty]: Start isEmpty. Operand 3679 states and 4669 transitions. [2018-11-07 07:06:33,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-07 07:06:33,851 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:06:33,851 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, 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] [2018-11-07 07:06:33,852 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:06:33,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:33,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1340018050, now seen corresponding path program 1 times [2018-11-07 07:06:33,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:06:33,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:33,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:33,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:33,853 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:06:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:34,001 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 74 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 07:06:34,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:06:34,001 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:06:34,002 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-11-07 07:06:34,002 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [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], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:06:34,006 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:06:34,007 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:06:34,269 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:06:34,270 INFO L272 AbstractInterpreter]: Visited 99 different actions 293 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 07:06:34,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:34,281 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:06:34,281 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:06:34,281 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:06:34,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:34,293 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:06:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:34,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:06:34,640 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-07 07:06:34,641 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:06:35,732 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 74 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 07:06:35,766 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:06:35,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-07 07:06:35,766 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:06:35,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 07:06:35,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 07:06:35,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-07 07:06:35,768 INFO L87 Difference]: Start difference. First operand 3679 states and 4669 transitions. Second operand 8 states. [2018-11-07 07:06:43,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:06:43,532 INFO L93 Difference]: Finished difference Result 13936 states and 19280 transitions. [2018-11-07 07:06:43,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 07:06:43,532 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 161 [2018-11-07 07:06:43,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:06:43,575 INFO L225 Difference]: With dead ends: 13936 [2018-11-07 07:06:43,575 INFO L226 Difference]: Without dead ends: 6871 [2018-11-07 07:06:43,628 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-07 07:06:43,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6871 states. [2018-11-07 07:06:43,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6871 to 6724. [2018-11-07 07:06:43,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6724 states. [2018-11-07 07:06:43,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6724 states to 6724 states and 8038 transitions. [2018-11-07 07:06:43,842 INFO L78 Accepts]: Start accepts. Automaton has 6724 states and 8038 transitions. Word has length 161 [2018-11-07 07:06:43,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:06:43,842 INFO L480 AbstractCegarLoop]: Abstraction has 6724 states and 8038 transitions. [2018-11-07 07:06:43,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 07:06:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 6724 states and 8038 transitions. [2018-11-07 07:06:43,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-07 07:06:43,860 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:06:43,861 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:06:43,861 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:06:43,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:43,862 INFO L82 PathProgramCache]: Analyzing trace with hash -684471189, now seen corresponding path program 1 times [2018-11-07 07:06:43,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:06:43,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:43,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:43,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:06:43,863 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:06:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:44,846 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 107 proven. 49 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 07:06:44,846 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:06:44,846 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:06:44,847 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-11-07 07:06:44,847 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [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], [205], [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], [373], [375], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:06:44,860 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:06:44,860 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:06:45,546 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:06:45,546 INFO L272 AbstractInterpreter]: Visited 98 different actions 384 times. Merged at 8 different actions 28 times. Never widened. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-07 07:06:45,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:06:45,585 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:06:45,585 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:06:45,586 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 07:06:45,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:06:45,599 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:06:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:06:45,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:06:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-07 07:06:46,359 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:06:46,569 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 07:06:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 113 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-07 07:06:47,390 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:06:47,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-07 07:06:47,391 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:06:47,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-07 07:06:47,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-07 07:06:47,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-07 07:06:47,392 INFO L87 Difference]: Start difference. First operand 6724 states and 8038 transitions. Second operand 12 states. [2018-11-07 07:06:53,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:06:53,324 INFO L93 Difference]: Finished difference Result 24052 states and 31713 transitions. [2018-11-07 07:06:53,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-07 07:06:53,325 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 202 [2018-11-07 07:06:53,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:06:53,326 INFO L225 Difference]: With dead ends: 24052 [2018-11-07 07:06:53,326 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 07:06:53,398 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 435 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=479, Invalid=1873, Unknown=0, NotChecked=0, Total=2352 [2018-11-07 07:06:53,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 07:06:53,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 07:06:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 07:06:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 07:06:53,400 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 202 [2018-11-07 07:06:53,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:06:53,400 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 07:06:53,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-07 07:06:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 07:06:53,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 07:06:53,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 07:06:53,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:53,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:54,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,504 WARN L179 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 398 DAG size of output: 270 [2018-11-07 07:06:55,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:55,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:06:56,893 WARN L179 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 371 DAG size of output: 240 [2018-11-07 07:06:57,396 WARN L179 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2018-11-07 07:06:57,949 WARN L179 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2018-11-07 07:07:01,658 WARN L179 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 373 DAG size of output: 75 [2018-11-07 07:07:03,373 WARN L179 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 276 DAG size of output: 58 [2018-11-07 07:07:04,861 WARN L179 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 250 DAG size of output: 61 [2018-11-07 07:07:04,864 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:07:04,865 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) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-11-07 07:07:04,865 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:07:04,865 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 07:07:04,865 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 07:07:04,865 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,865 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,866 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,866 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,866 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,866 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,866 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 07:07:04,866 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 07:07:04,866 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 07:07:04,866 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 07:07:04,866 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 07:07:04,866 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 07:07:04,866 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 07:07:04,867 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 07:07:04,867 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 07:07:04,867 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 07:07:04,867 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,867 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,867 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,867 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,867 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,868 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,868 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 07:07:04,868 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 07:07:04,868 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 07:07:04,868 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 07:07:04,868 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 07:07:04,868 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 07:07:04,868 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 07:07:04,868 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 07:07:04,868 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 07:07:04,869 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 07:07:04,869 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 07:07:04,869 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 07:07:04,869 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 07:07:04,869 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 07:07:04,869 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 07:07:04,869 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,869 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,869 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,870 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,870 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,870 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 07:07:04,870 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 07:07:04,870 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 07:07:04,870 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 07:07:04,870 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 07:07:04,870 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 07:07:04,870 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 07:07:04,870 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 07:07:04,871 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 07:07:04,871 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,871 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,871 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,871 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,871 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,871 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 07:07:04,871 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 07:07:04,871 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 07:07:04,871 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 07:07:04,872 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 07:07:04,872 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 07:07:04,872 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 07:07:04,872 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 07:07:04,872 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 07:07:04,872 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 07:07:04,872 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 07:07:04,872 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 07:07:04,872 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 07:07:04,873 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,873 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,873 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,873 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,873 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,873 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 07:07:04,873 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 07:07:04,873 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 07:07:04,873 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 07:07:04,874 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 07:07:04,874 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 07:07:04,874 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 07:07:04,874 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 07:07:04,874 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 07:07:04,874 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,874 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,874 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,874 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,874 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,875 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,875 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,875 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 07:07:04,875 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 07:07:04,875 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 07:07:04,875 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 07:07:04,875 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 07:07:04,875 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 07:07:04,876 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 07:07:04,876 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 07:07:04,876 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 07:07:04,876 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 07:07:04,876 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 07:07:04,876 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 07:07:04,876 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 07:07:04,876 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 07:07:04,876 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,877 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,877 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,877 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,877 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,877 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 07:07:04,877 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 07:07:04,877 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 07:07:04,877 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 07:07:04,877 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 07:07:04,878 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 07:07:04,878 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 07:07:04,878 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 07:07:04,878 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,878 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,878 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,878 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,878 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,878 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 07:07:04,879 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 07:07:04,879 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 07:07:04,879 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 07:07:04,879 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 07:07:04,879 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 07:07:04,879 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 07:07:04,879 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 07:07:04,879 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 07:07:04,879 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 07:07:04,880 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse7 (= ~a7~0 |old(~a7~0)|)) (.cse8 (= |old(~a8~0)| ~a8~0)) (.cse14 (= |old(~a20~0)| ~a20~0)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse5 (= |old(~a16~0)| ~a16~0)) (.cse3 (= 1 |old(~a17~0)|))) (let ((.cse6 (= ~a21~0 1)) (.cse12 (= |calculate_output_#in~input| 0)) (.cse9 (not (= 1 |old(~a21~0)|))) (.cse11 (not (= 8 ~a12~0))) (.cse13 (not .cse3)) (.cse1 (and (= 1 ~a7~0) .cse8 .cse14 .cse15 .cse5)) (.cse2 (not (= 1 |old(~a7~0)|))) (.cse10 (not (= 1 |old(~a20~0)|))) (.cse0 (= 6 |old(~a16~0)|)) (.cse4 (and .cse7 .cse8 .cse14 .cse15 .cse5))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or (and .cse5 (= ~a17~0 1) .cse6 .cse7 .cse8 (= ~a20~0 1)) .cse9 .cse10 (= 0 |old(~a16~0)|) .cse11 .cse12 (= 0 |old(~a8~0)|) .cse13) (or .cse6 .cse12 (or (not (= 0 |old(~a7~0)|)) .cse9 (not (= 15 |old(~a8~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) .cse11 .cse13)) (or .cse1 (not (= |old(~a20~0)| 1)) .cse2 (< 0 |old(~a17~0)|)) (or .cse0 (and .cse7 .cse8 (= 1 ~a20~0) .cse5) .cse10) (or .cse0 (= 4 |old(~a16~0)|) (and .cse7 .cse8 .cse5)) (or .cse4 (= 13 |old(~a8~0)|))))) [2018-11-07 07:07:04,880 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 07:07:04,880 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,880 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,880 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,880 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,880 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,881 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 07:07:04,881 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,881 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 07:07:04,881 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 07:07:04,881 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 07:07:04,881 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 07:07:04,881 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 07:07:04,881 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 07:07:04,881 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 07:07:04,881 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 07:07:04,882 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 07:07:04,882 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2018-11-07 07:07:04,882 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 07:07:04,882 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 07:07:04,882 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 07:07:04,882 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,882 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,882 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,882 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,883 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,883 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,883 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 07:07:04,883 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 07:07:04,883 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 07:07:04,883 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 07:07:04,883 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 07:07:04,883 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 07:07:04,883 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 07:07:04,883 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 07:07:04,884 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 07:07:04,884 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 07:07:04,884 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 07:07:04,884 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 07:07:04,884 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 07:07:04,884 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 07:07:04,884 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 07:07:04,884 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,884 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,884 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,885 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,885 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,885 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:07:04,885 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 07:07:04,885 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 07:07:04,885 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 07:07:04,885 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 07:07:04,885 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 07:07:04,885 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 07:07:04,886 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 07:07:04,886 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 07:07:04,886 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 07:07:04,886 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 07:07:04,886 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:07:04,886 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-07 07:07:04,886 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 07:07:04,886 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:07:04,886 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-07 07:07:04,887 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:07:04,887 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1)) (.cse2 (= 1 ~a7~0)) (.cse3 (= 1 ~a20~0)) (.cse4 (= ~a7~0 |old(~a7~0)|)) (.cse1 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) .cse0 (= ~a21~0 1) (= ~a20~0 1)) (not (= ~a8~0 13)) (and .cse1 (not .cse0)) (and .cse2 .cse3 (<= ~a17~0 0)) (and .cse2 .cse1) (not (= 1 |old(~a21~0)|)) (and .cse4 .cse3 .cse1) (not (= 8 ~a12~0)) (and .cse4 .cse1 (not (= ~a16~0 4))) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-07 07:07:04,887 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 07:07:04,887 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 07:07:04,887 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 07:07:04,887 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse1 (= ~a17~0 1)) (.cse2 (= 1 ~a7~0)) (.cse3 (= 1 ~a20~0)) (.cse4 (= ~a7~0 |old(~a7~0)|)) (.cse0 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (not (= ~a8~0 13)) (and .cse0 (not .cse1)) (and (not (= ~a16~0 0)) .cse1 (= ~a21~0 1) (= ~a20~0 1)) (and .cse2 .cse3 (<= ~a17~0 0)) (and .cse2 .cse0) (not (= 1 |old(~a21~0)|)) (and .cse4 .cse3 .cse0) (not (= 8 ~a12~0)) (and .cse4 .cse0 (not (= ~a16~0 4))) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-07 07:07:04,888 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:07:04,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:07:04 BoogieIcfgContainer [2018-11-07 07:07:04,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:07:04,902 INFO L168 Benchmark]: Toolchain (without parser) took 64882.69 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 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 1.5 GB. Max. memory is 7.1 GB. [2018-11-07 07:07:04,903 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 07:07:04,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 07:07:04,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.93 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 730.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.2 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-07 07:07:04,905 INFO L168 Benchmark]: Boogie Preprocessor took 99.52 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2018-11-07 07:07:04,906 INFO L168 Benchmark]: RCFGBuilder took 3389.71 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 119.1 MB). Peak memory consumption was 119.1 MB. Max. memory is 7.1 GB. [2018-11-07 07:07:04,907 INFO L168 Benchmark]: TraceAbstraction took 60541.49 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 924.8 MB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -873.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-11-07 07:07:04,912 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 134.93 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 730.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.2 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.52 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3389.71 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 119.1 MB). Peak memory consumption was 119.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 60541.49 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 924.8 MB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -873.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: 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: ((((((((((((!(1 == \old(a20)) || !(5 == \old(a16))) || !(a8 == 13)) || (!(a16 == 6) && !(a17 == 1))) || (((!(a16 == 0) && a17 == 1) && a21 == 1) && a20 == 1)) || ((1 == a7 && 1 == a20) && a17 <= 0)) || (1 == a7 && !(a16 == 6))) || !(1 == \old(a21))) || ((a7 == \old(a7) && 1 == a20) && !(a16 == 6))) || !(8 == a12)) || ((a7 == \old(a7) && !(a16 == 6)) && !(a16 == 4))) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 60.4s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 37.3s AutomataDifference, 0.0s DeadEndRemovalTime, 11.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1030 SDtfs, 8471 SDslu, 1536 SDs, 0 SdLazy, 11490 SolverSat, 2640 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1180 GetRequests, 1048 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 935 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6724occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9965553423515746 AbsIntWeakeningRatio, 0.26855123674911663 AbsIntAvgWeakeningVarsNumRemoved, 28.02826855123675 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 268 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 367 PreInvPairs, 875 NumberOfFragments, 501 HoareAnnotationTreeSize, 367 FomulaSimplifications, 21926 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 22141 FormulaSimplificationTreeSizeReductionInter, 7.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 1428 NumberOfCodeBlocks, 1428 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1779 ConstructedInterpolants, 0 QuantifiedInterpolants, 476810 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1085 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 921/1027 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...