java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-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_label02_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 23:58:39,092 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 23:58:39,094 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 23:58:39,106 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 23:58:39,106 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 23:58:39,107 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 23:58:39,111 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 23:58:39,113 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 23:58:39,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 23:58:39,118 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 23:58:39,118 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 23:58:39,121 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 23:58:39,122 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 23:58:39,123 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 23:58:39,124 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 23:58:39,125 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 23:58:39,126 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 23:58:39,128 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 23:58:39,130 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 23:58:39,131 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 23:58:39,132 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 23:58:39,134 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 23:58:39,136 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 23:58:39,136 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 23:58:39,137 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 23:58:39,137 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 23:58:39,138 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 23:58:39,139 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 23:58:39,140 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 23:58:39,141 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 23:58:39,142 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 23:58:39,142 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 23:58:39,142 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 23:58:39,143 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 23:58:39,144 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 23:58:39,144 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 23:58:39,145 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-24 23:58:39,174 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 23:58:39,175 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 23:58:39,175 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 23:58:39,176 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 23:58:39,179 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 23:58:39,179 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 23:58:39,179 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-24 23:58:39,180 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 23:58:39,180 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-24 23:58:39,180 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 23:58:39,180 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 23:58:39,180 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 23:58:39,180 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 23:58:39,181 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 23:58:39,181 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 23:58:39,182 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 23:58:39,183 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 23:58:39,184 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 23:58:39,184 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 23:58:39,184 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 23:58:39,184 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 23:58:39,184 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 23:58:39,185 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 23:58:39,185 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 23:58:39,185 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 23:58:39,185 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 23:58:39,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 23:58:39,186 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 23:58:39,186 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 23:58:39,186 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 23:58:39,186 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 23:58:39,187 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 23:58:39,187 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 23:58:39,188 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 23:58:39,188 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 23:58:39,188 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 23:58:39,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 23:58:39,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 23:58:39,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 23:58:39,270 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 23:58:39,270 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 23:58:39,271 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-10-24 23:58:39,343 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/924426cd1/9f7b3c86b9c549eeb80abc4a016f106e/FLAG6f4a1999e [2018-10-24 23:58:39,948 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 23:58:39,949 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-10-24 23:58:39,966 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/924426cd1/9f7b3c86b9c549eeb80abc4a016f106e/FLAG6f4a1999e [2018-10-24 23:58:39,988 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/924426cd1/9f7b3c86b9c549eeb80abc4a016f106e [2018-10-24 23:58:40,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 23:58:40,004 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 23:58:40,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 23:58:40,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 23:58:40,010 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 23:58:40,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:58:39" (1/1) ... [2018-10-24 23:58:40,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea74f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:40, skipping insertion in model container [2018-10-24 23:58:40,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:58:39" (1/1) ... [2018-10-24 23:58:40,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 23:58:40,107 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 23:58:40,585 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:58:40,595 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 23:58:40,716 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:58:40,736 INFO L193 MainTranslator]: Completed translation [2018-10-24 23:58:40,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:40 WrapperNode [2018-10-24 23:58:40,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 23:58:40,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 23:58:40,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 23:58:40,738 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 23:58:40,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:40" (1/1) ... [2018-10-24 23:58:40,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:40" (1/1) ... [2018-10-24 23:58:40,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 23:58:40,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 23:58:40,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 23:58:40,864 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 23:58:40,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:40" (1/1) ... [2018-10-24 23:58:40,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:40" (1/1) ... [2018-10-24 23:58:40,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:40" (1/1) ... [2018-10-24 23:58:41,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:40" (1/1) ... [2018-10-24 23:58:41,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:40" (1/1) ... [2018-10-24 23:58:41,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:40" (1/1) ... [2018-10-24 23:58:41,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:40" (1/1) ... [2018-10-24 23:58:41,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 23:58:41,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 23:58:41,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 23:58:41,090 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 23:58:41,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 23:58:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 23:58:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 23:58:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 23:58:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 23:58:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 23:58:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 23:58:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 23:58:41,162 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 23:58:44,095 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 23:58:44,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:58:44 BoogieIcfgContainer [2018-10-24 23:58:44,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 23:58:44,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 23:58:44,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 23:58:44,101 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 23:58:44,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:58:39" (1/3) ... [2018-10-24 23:58:44,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af583e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:58:44, skipping insertion in model container [2018-10-24 23:58:44,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:40" (2/3) ... [2018-10-24 23:58:44,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af583e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:58:44, skipping insertion in model container [2018-10-24 23:58:44,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:58:44" (3/3) ... [2018-10-24 23:58:44,107 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label02_true-unreach-call_false-termination.c [2018-10-24 23:58:44,117 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 23:58:44,129 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 23:58:44,146 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 23:58:44,194 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 23:58:44,194 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 23:58:44,194 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 23:58:44,195 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 23:58:44,195 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 23:58:44,195 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 23:58:44,195 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 23:58:44,196 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 23:58:44,223 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-24 23:58:44,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-24 23:58:44,236 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:58:44,238 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:58:44,240 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:58:44,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:44,246 INFO L82 PathProgramCache]: Analyzing trace with hash -388203563, now seen corresponding path program 1 times [2018-10-24 23:58:44,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:58:44,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:44,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:58:44,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:44,300 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:58:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:58:44,801 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:58:44,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:58:44,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:58:44,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 23:58:44,930 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:58:44,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 23:58:44,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 23:58:44,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:58:44,958 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-24 23:58:46,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:58:46,626 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-24 23:58:46,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 23:58:46,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-10-24 23:58:46,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:58:46,648 INFO L225 Difference]: With dead ends: 550 [2018-10-24 23:58:46,649 INFO L226 Difference]: Without dead ends: 340 [2018-10-24 23:58:46,658 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:58:46,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-24 23:58:46,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-24 23:58:46,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-24 23:58:46,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-10-24 23:58:46,735 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 97 [2018-10-24 23:58:46,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:58:46,736 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-10-24 23:58:46,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 23:58:46,736 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-10-24 23:58:46,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-24 23:58:46,747 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:58:46,747 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:58:46,747 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:58:46,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:46,748 INFO L82 PathProgramCache]: Analyzing trace with hash -663690794, now seen corresponding path program 1 times [2018-10-24 23:58:46,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:58:46,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:46,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:58:46,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:46,750 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:58:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:58:46,945 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:58:46,990 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:58:46,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:58:46,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 23:58:46,991 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:58:46,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:58:46,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:58:46,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:58:46,994 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-10-24 23:58:48,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:58:48,761 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-10-24 23:58:48,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:58:48,762 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-10-24 23:58:48,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:58:48,769 INFO L225 Difference]: With dead ends: 888 [2018-10-24 23:58:48,770 INFO L226 Difference]: Without dead ends: 554 [2018-10-24 23:58:48,775 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 23:58:48,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-10-24 23:58:48,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-10-24 23:58:48,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-10-24 23:58:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-10-24 23:58:48,814 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 108 [2018-10-24 23:58:48,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:58:48,815 INFO L481 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-10-24 23:58:48,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:58:48,815 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-10-24 23:58:48,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-24 23:58:48,819 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:58:48,819 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:58:48,820 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:58:48,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:48,820 INFO L82 PathProgramCache]: Analyzing trace with hash 280162818, now seen corresponding path program 1 times [2018-10-24 23:58:48,820 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:58:48,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:48,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:58:48,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:48,822 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:58:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:58:49,033 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:58:49,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:58:49,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 23:58:49,034 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:58:49,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 23:58:49,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 23:58:49,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:58:49,035 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-10-24 23:58:50,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:58:50,210 INFO L93 Difference]: Finished difference Result 1529 states and 2431 transitions. [2018-10-24 23:58:50,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 23:58:50,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-10-24 23:58:50,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:58:50,230 INFO L225 Difference]: With dead ends: 1529 [2018-10-24 23:58:50,230 INFO L226 Difference]: Without dead ends: 996 [2018-10-24 23:58:50,233 INFO L605 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 [2018-10-24 23:58:50,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2018-10-24 23:58:50,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 989. [2018-10-24 23:58:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 989 states. [2018-10-24 23:58:50,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1498 transitions. [2018-10-24 23:58:50,294 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1498 transitions. Word has length 109 [2018-10-24 23:58:50,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:58:50,295 INFO L481 AbstractCegarLoop]: Abstraction has 989 states and 1498 transitions. [2018-10-24 23:58:50,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 23:58:50,295 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1498 transitions. [2018-10-24 23:58:50,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-24 23:58:50,299 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:58:50,300 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:58:50,300 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:58:50,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:50,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1178712562, now seen corresponding path program 1 times [2018-10-24 23:58:50,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:58:50,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:50,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:58:50,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:50,302 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:58:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:58:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:58:50,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:58:50,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 23:58:50,609 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:58:50,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 23:58:50,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 23:58:50,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:58:50,612 INFO L87 Difference]: Start difference. First operand 989 states and 1498 transitions. Second operand 3 states. [2018-10-24 23:58:52,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:58:52,458 INFO L93 Difference]: Finished difference Result 2872 states and 4515 transitions. [2018-10-24 23:58:52,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 23:58:52,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-10-24 23:58:52,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:58:52,476 INFO L225 Difference]: With dead ends: 2872 [2018-10-24 23:58:52,476 INFO L226 Difference]: Without dead ends: 1889 [2018-10-24 23:58:52,482 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:58:52,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2018-10-24 23:58:52,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1886. [2018-10-24 23:58:52,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1886 states. [2018-10-24 23:58:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1886 states and 2743 transitions. [2018-10-24 23:58:52,564 INFO L78 Accepts]: Start accepts. Automaton has 1886 states and 2743 transitions. Word has length 115 [2018-10-24 23:58:52,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:58:52,566 INFO L481 AbstractCegarLoop]: Abstraction has 1886 states and 2743 transitions. [2018-10-24 23:58:52,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 23:58:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2743 transitions. [2018-10-24 23:58:52,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-24 23:58:52,573 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:58:52,573 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:58:52,573 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:58:52,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:52,574 INFO L82 PathProgramCache]: Analyzing trace with hash 856948235, now seen corresponding path program 1 times [2018-10-24 23:58:52,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:58:52,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:52,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:58:52,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:52,576 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:58:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:58:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:58:52,760 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:58:52,760 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:58:52,761 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 136 with the following transitions: [2018-10-24 23:58:52,764 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 23:58:52,810 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:58:52,810 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:58:53,794 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 23:58:53,796 INFO L272 AbstractInterpreter]: Visited 101 different actions 195 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-24 23:58:53,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:53,840 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 23:58:54,844 INFO L232 lantSequenceWeakener]: Weakened 107 states. On average, predicates are now at 80.47% of their original sizes. [2018-10-24 23:58:54,844 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 23:58:57,751 INFO L413 sIntCurrentIteration]: We have 134 unified AI predicates [2018-10-24 23:58:57,751 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 23:58:57,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:58:57,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-10-24 23:58:57,753 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:58:57,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-24 23:58:57,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-24 23:58:57,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-10-24 23:58:57,754 INFO L87 Difference]: Start difference. First operand 1886 states and 2743 transitions. Second operand 15 states. [2018-10-24 23:59:11,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:11,964 INFO L93 Difference]: Finished difference Result 5377 states and 7766 transitions. [2018-10-24 23:59:11,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-24 23:59:11,964 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 135 [2018-10-24 23:59:11,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:11,984 INFO L225 Difference]: With dead ends: 5377 [2018-10-24 23:59:11,984 INFO L226 Difference]: Without dead ends: 3497 [2018-10-24 23:59:11,994 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 141 GetRequests, 36 SyntacticMatches, 85 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 746 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2018-10-24 23:59:11,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3497 states. [2018-10-24 23:59:12,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3497 to 3465. [2018-10-24 23:59:12,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3465 states. [2018-10-24 23:59:12,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 4532 transitions. [2018-10-24 23:59:12,096 INFO L78 Accepts]: Start accepts. Automaton has 3465 states and 4532 transitions. Word has length 135 [2018-10-24 23:59:12,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:12,096 INFO L481 AbstractCegarLoop]: Abstraction has 3465 states and 4532 transitions. [2018-10-24 23:59:12,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-24 23:59:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 4532 transitions. [2018-10-24 23:59:12,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-24 23:59:12,104 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:12,105 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:12,105 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:12,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:12,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1860554576, now seen corresponding path program 1 times [2018-10-24 23:59:12,106 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:12,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:12,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:12,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:12,107 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:12,309 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 54 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 23:59:12,309 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:59:12,309 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:59:12,309 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-10-24 23:59:12,310 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 23:59:12,314 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:59:12,314 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:59:12,566 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 23:59:12,566 INFO L272 AbstractInterpreter]: Visited 102 different actions 198 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-24 23:59:12,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:12,575 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 23:59:13,023 INFO L232 lantSequenceWeakener]: Weakened 145 states. On average, predicates are now at 80.26% of their original sizes. [2018-10-24 23:59:13,024 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 23:59:13,471 INFO L413 sIntCurrentIteration]: We have 147 unified AI predicates [2018-10-24 23:59:13,471 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 23:59:13,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:59:13,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-24 23:59:13,472 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:13,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 23:59:13,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 23:59:13,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-24 23:59:13,474 INFO L87 Difference]: Start difference. First operand 3465 states and 4532 transitions. Second operand 10 states. [2018-10-24 23:59:24,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:24,992 INFO L93 Difference]: Finished difference Result 6646 states and 8783 transitions. [2018-10-24 23:59:24,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-24 23:59:24,992 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 148 [2018-10-24 23:59:24,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:25,010 INFO L225 Difference]: With dead ends: 6646 [2018-10-24 23:59:25,010 INFO L226 Difference]: Without dead ends: 3606 [2018-10-24 23:59:25,021 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-10-24 23:59:25,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3606 states. [2018-10-24 23:59:25,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3606 to 3603. [2018-10-24 23:59:25,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3603 states. [2018-10-24 23:59:25,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 3603 states and 4686 transitions. [2018-10-24 23:59:25,112 INFO L78 Accepts]: Start accepts. Automaton has 3603 states and 4686 transitions. Word has length 148 [2018-10-24 23:59:25,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:25,112 INFO L481 AbstractCegarLoop]: Abstraction has 3603 states and 4686 transitions. [2018-10-24 23:59:25,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 23:59:25,112 INFO L276 IsEmpty]: Start isEmpty. Operand 3603 states and 4686 transitions. [2018-10-24 23:59:25,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-24 23:59:25,122 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:25,122 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:25,122 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:25,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:25,123 INFO L82 PathProgramCache]: Analyzing trace with hash -645219325, now seen corresponding path program 1 times [2018-10-24 23:59:25,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:25,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:25,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:25,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:25,124 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:25,390 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 68 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-24 23:59:25,391 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:59:25,391 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:59:25,391 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-10-24 23:59:25,392 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], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 23:59:25,396 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:59:25,396 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:59:25,981 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 23:59:25,981 INFO L272 AbstractInterpreter]: Visited 103 different actions 312 times. Merged at 7 different actions 25 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-10-24 23:59:26,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:26,018 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 23:59:27,441 INFO L232 lantSequenceWeakener]: Weakened 9 states. On average, predicates are now at 81.11% of their original sizes. [2018-10-24 23:59:27,441 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 23:59:30,555 INFO L413 sIntCurrentIteration]: We have 159 unified AI predicates [2018-10-24 23:59:30,555 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 23:59:30,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:59:30,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2018-10-24 23:59:30,556 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:30,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-24 23:59:30,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-24 23:59:30,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-10-24 23:59:30,557 INFO L87 Difference]: Start difference. First operand 3603 states and 4686 transitions. Second operand 12 states. [2018-10-24 23:59:42,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:42,353 INFO L93 Difference]: Finished difference Result 7949 states and 10371 transitions. [2018-10-24 23:59:42,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-24 23:59:42,354 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 160 [2018-10-24 23:59:42,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:42,374 INFO L225 Difference]: With dead ends: 7949 [2018-10-24 23:59:42,374 INFO L226 Difference]: Without dead ends: 4909 [2018-10-24 23:59:42,384 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 42 SyntacticMatches, 107 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-10-24 23:59:42,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4909 states. [2018-10-24 23:59:42,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4909 to 4895. [2018-10-24 23:59:42,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4895 states. [2018-10-24 23:59:42,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 4895 states and 6137 transitions. [2018-10-24 23:59:42,526 INFO L78 Accepts]: Start accepts. Automaton has 4895 states and 6137 transitions. Word has length 160 [2018-10-24 23:59:42,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:42,526 INFO L481 AbstractCegarLoop]: Abstraction has 4895 states and 6137 transitions. [2018-10-24 23:59:42,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-24 23:59:42,526 INFO L276 IsEmpty]: Start isEmpty. Operand 4895 states and 6137 transitions. [2018-10-24 23:59:42,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-24 23:59:42,538 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:42,539 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:42,539 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:42,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:42,539 INFO L82 PathProgramCache]: Analyzing trace with hash 769183232, now seen corresponding path program 1 times [2018-10-24 23:59:42,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:42,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:42,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:42,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:42,541 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:42,828 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 90 proven. 20 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-24 23:59:42,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:59:42,828 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:59:42,829 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-10-24 23:59:42,830 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 23:59:42,840 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:59:42,840 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:59:44,157 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 23:59:44,157 INFO L272 AbstractInterpreter]: Visited 105 different actions 542 times. Merged at 10 different actions 64 times. Widened at 1 different actions 8 times. Found 12 fixpoints after 4 different actions. Largest state had 42 variables. [2018-10-24 23:59:44,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:44,165 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 23:59:44,165 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:59:44,165 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 23:59:44,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:44,174 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 23:59:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:44,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 23:59:45,030 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-10-24 23:59:45,030 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 23:59:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 90 proven. 20 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-24 23:59:45,719 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 23:59:45,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-10-24 23:59:45,720 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 23:59:45,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 23:59:45,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 23:59:45,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-24 23:59:45,721 INFO L87 Difference]: Start difference. First operand 4895 states and 6137 transitions. Second operand 8 states. [2018-10-24 23:59:50,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:50,746 INFO L93 Difference]: Finished difference Result 14743 states and 19703 transitions. [2018-10-24 23:59:50,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-24 23:59:50,749 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2018-10-24 23:59:50,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:50,781 INFO L225 Difference]: With dead ends: 14743 [2018-10-24 23:59:50,781 INFO L226 Difference]: Without dead ends: 5943 [2018-10-24 23:59:50,839 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-10-24 23:59:50,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5943 states. [2018-10-24 23:59:51,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5943 to 5763. [2018-10-24 23:59:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5763 states. [2018-10-24 23:59:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5763 states to 5763 states and 6761 transitions. [2018-10-24 23:59:51,029 INFO L78 Accepts]: Start accepts. Automaton has 5763 states and 6761 transitions. Word has length 180 [2018-10-24 23:59:51,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:51,029 INFO L481 AbstractCegarLoop]: Abstraction has 5763 states and 6761 transitions. [2018-10-24 23:59:51,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 23:59:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 5763 states and 6761 transitions. [2018-10-24 23:59:51,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-24 23:59:51,041 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:51,042 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:51,042 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:51,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:51,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1218800836, now seen corresponding path program 1 times [2018-10-24 23:59:51,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:51,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:51,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:51,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:51,044 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:51,544 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-24 23:59:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-24 23:59:51,728 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:59:51,728 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:59:51,728 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-10-24 23:59:51,729 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 23:59:51,733 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:59:51,734 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:59:52,077 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 23:59:52,077 INFO L272 AbstractInterpreter]: Visited 102 different actions 198 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-24 23:59:52,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:52,115 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 23:59:52,800 INFO L232 lantSequenceWeakener]: Weakened 117 states. On average, predicates are now at 80.45% of their original sizes. [2018-10-24 23:59:52,800 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 23:59:56,231 INFO L413 sIntCurrentIteration]: We have 180 unified AI predicates [2018-10-24 23:59:56,232 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 23:59:56,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:59:56,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-10-24 23:59:56,232 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:56,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-24 23:59:56,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-24 23:59:56,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2018-10-24 23:59:56,234 INFO L87 Difference]: Start difference. First operand 5763 states and 6761 transitions. Second operand 15 states. [2018-10-25 00:00:08,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:08,412 INFO L93 Difference]: Finished difference Result 11717 states and 13830 transitions. [2018-10-25 00:00:08,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-25 00:00:08,413 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 181 [2018-10-25 00:00:08,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:08,438 INFO L225 Difference]: With dead ends: 11717 [2018-10-25 00:00:08,438 INFO L226 Difference]: Without dead ends: 6507 [2018-10-25 00:00:08,449 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 187 GetRequests, 49 SyntacticMatches, 118 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 835 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2018-10-25 00:00:08,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6507 states. [2018-10-25 00:00:08,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6507 to 6501. [2018-10-25 00:00:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6501 states. [2018-10-25 00:00:08,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6501 states to 6501 states and 7555 transitions. [2018-10-25 00:00:08,606 INFO L78 Accepts]: Start accepts. Automaton has 6501 states and 7555 transitions. Word has length 181 [2018-10-25 00:00:08,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:08,606 INFO L481 AbstractCegarLoop]: Abstraction has 6501 states and 7555 transitions. [2018-10-25 00:00:08,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-25 00:00:08,607 INFO L276 IsEmpty]: Start isEmpty. Operand 6501 states and 7555 transitions. [2018-10-25 00:00:08,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-25 00:00:08,620 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:00:08,621 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:00:08,621 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:00:08,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:08,621 INFO L82 PathProgramCache]: Analyzing trace with hash -176907719, now seen corresponding path program 1 times [2018-10-25 00:00:08,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:00:08,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:08,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:08,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:08,623 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:00:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 92 proven. 46 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-25 00:00:09,444 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:09,445 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:00:09,445 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-10-25 00:00:09,445 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:00:09,451 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:00:09,451 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:00:10,388 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:00:10,389 INFO L272 AbstractInterpreter]: Visited 104 different actions 421 times. Merged at 9 different actions 41 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-25 00:00:10,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:10,395 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:00:10,395 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:10,395 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-25 00:00:10,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:10,409 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:00:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:10,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:00:10,592 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-25 00:00:10,593 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:00:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 98 proven. 38 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-25 00:00:10,750 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:00:10,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-10-25 00:00:10,750 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:00:10,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-25 00:00:10,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-25 00:00:10,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-10-25 00:00:10,752 INFO L87 Difference]: Start difference. First operand 6501 states and 7555 transitions. Second operand 11 states. [2018-10-25 00:00:13,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:13,796 INFO L93 Difference]: Finished difference Result 19167 states and 23390 transitions. [2018-10-25 00:00:13,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-25 00:00:13,796 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 190 [2018-10-25 00:00:13,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:13,841 INFO L225 Difference]: With dead ends: 19167 [2018-10-25 00:00:13,841 INFO L226 Difference]: Without dead ends: 13681 [2018-10-25 00:00:13,857 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 383 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-10-25 00:00:13,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13681 states. [2018-10-25 00:00:14,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13681 to 12682. [2018-10-25 00:00:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12682 states. [2018-10-25 00:00:14,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12682 states to 12682 states and 14946 transitions. [2018-10-25 00:00:14,153 INFO L78 Accepts]: Start accepts. Automaton has 12682 states and 14946 transitions. Word has length 190 [2018-10-25 00:00:14,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:14,154 INFO L481 AbstractCegarLoop]: Abstraction has 12682 states and 14946 transitions. [2018-10-25 00:00:14,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-25 00:00:14,154 INFO L276 IsEmpty]: Start isEmpty. Operand 12682 states and 14946 transitions. [2018-10-25 00:00:14,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-25 00:00:14,179 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:00:14,180 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:00:14,180 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:00:14,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:14,180 INFO L82 PathProgramCache]: Analyzing trace with hash -271560625, now seen corresponding path program 1 times [2018-10-25 00:00:14,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:00:14,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:14,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:14,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:14,182 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:00:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:14,773 WARN L179 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-25 00:00:15,201 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 118 proven. 51 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-25 00:00:15,201 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:15,201 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:00:15,202 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-10-25 00:00:15,202 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], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:00:15,205 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:00:15,205 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:00:15,793 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:00:15,793 INFO L272 AbstractInterpreter]: Visited 103 different actions 301 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-10-25 00:00:15,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:15,830 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:00:16,847 INFO L232 lantSequenceWeakener]: Weakened 56 states. On average, predicates are now at 80.85% of their original sizes. [2018-10-25 00:00:16,847 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:00:20,258 INFO L413 sIntCurrentIteration]: We have 202 unified AI predicates [2018-10-25 00:00:20,259 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:00:20,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:00:20,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-10-25 00:00:20,259 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:00:20,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-25 00:00:20,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-25 00:00:20,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-10-25 00:00:20,261 INFO L87 Difference]: Start difference. First operand 12682 states and 14946 transitions. Second operand 13 states. [2018-10-25 00:00:30,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:30,901 INFO L93 Difference]: Finished difference Result 23614 states and 27873 transitions. [2018-10-25 00:00:30,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-25 00:00:30,901 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 203 [2018-10-25 00:00:30,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:30,947 INFO L225 Difference]: With dead ends: 23614 [2018-10-25 00:00:30,947 INFO L226 Difference]: Without dead ends: 13798 [2018-10-25 00:00:30,964 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 207 GetRequests, 64 SyntacticMatches, 127 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2018-10-25 00:00:30,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13798 states. [2018-10-25 00:00:31,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13798 to 13791. [2018-10-25 00:00:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13791 states. [2018-10-25 00:00:31,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13791 states to 13791 states and 16169 transitions. [2018-10-25 00:00:31,259 INFO L78 Accepts]: Start accepts. Automaton has 13791 states and 16169 transitions. Word has length 203 [2018-10-25 00:00:31,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:31,260 INFO L481 AbstractCegarLoop]: Abstraction has 13791 states and 16169 transitions. [2018-10-25 00:00:31,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-25 00:00:31,260 INFO L276 IsEmpty]: Start isEmpty. Operand 13791 states and 16169 transitions. [2018-10-25 00:00:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-25 00:00:31,287 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:00:31,287 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:00:31,287 INFO L424 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:00:31,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:31,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1177111732, now seen corresponding path program 1 times [2018-10-25 00:00:31,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:00:31,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:31,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:31,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:31,289 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:00:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:31,826 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 118 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-25 00:00:31,827 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:31,827 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:00:31,827 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-10-25 00:00:31,827 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:00:31,830 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:00:31,830 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:00:32,780 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:00:32,780 INFO L272 AbstractInterpreter]: Visited 105 different actions 430 times. Merged at 10 different actions 46 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-25 00:00:32,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:32,787 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:00:32,787 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:32,787 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:00:32,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:32,796 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:00:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:32,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:00:32,960 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-25 00:00:32,961 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:00:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-25 00:00:33,099 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:00:33,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-10-25 00:00:33,099 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:00:33,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-25 00:00:33,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-25 00:00:33,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-10-25 00:00:33,100 INFO L87 Difference]: Start difference. First operand 13791 states and 16169 transitions. Second operand 12 states. [2018-10-25 00:00:37,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:37,546 INFO L93 Difference]: Finished difference Result 30946 states and 37791 transitions. [2018-10-25 00:00:37,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-10-25 00:00:37,546 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 214 [2018-10-25 00:00:37,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:37,606 INFO L225 Difference]: With dead ends: 30946 [2018-10-25 00:00:37,607 INFO L226 Difference]: Without dead ends: 17164 [2018-10-25 00:00:37,947 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 453 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=411, Invalid=1395, Unknown=0, NotChecked=0, Total=1806 [2018-10-25 00:00:37,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17164 states. [2018-10-25 00:00:38,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17164 to 16005. [2018-10-25 00:00:38,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16005 states. [2018-10-25 00:00:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16005 states to 16005 states and 19205 transitions. [2018-10-25 00:00:38,342 INFO L78 Accepts]: Start accepts. Automaton has 16005 states and 19205 transitions. Word has length 214 [2018-10-25 00:00:38,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:38,343 INFO L481 AbstractCegarLoop]: Abstraction has 16005 states and 19205 transitions. [2018-10-25 00:00:38,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-25 00:00:38,343 INFO L276 IsEmpty]: Start isEmpty. Operand 16005 states and 19205 transitions. [2018-10-25 00:00:38,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-25 00:00:38,381 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:00:38,381 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:00:38,381 INFO L424 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:00:38,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:38,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1237084317, now seen corresponding path program 1 times [2018-10-25 00:00:38,382 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:00:38,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:38,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:38,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:38,383 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:00:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 173 proven. 51 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-25 00:00:38,813 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:38,813 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:00:38,813 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-10-25 00:00:38,813 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:00:38,816 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:00:38,816 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:00:39,780 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:00:39,781 INFO L272 AbstractInterpreter]: Visited 104 different actions 417 times. Merged at 9 different actions 37 times. Widened at 1 different actions 1 times. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-25 00:00:39,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:39,791 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:00:39,791 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:39,791 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:00:39,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:39,800 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:00:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:39,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:00:40,100 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 162 proven. 25 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-25 00:00:40,101 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:00:40,321 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 185 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-25 00:00:40,354 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:00:40,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-10-25 00:00:40,354 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:00:40,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-25 00:00:40,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-25 00:00:40,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-10-25 00:00:40,356 INFO L87 Difference]: Start difference. First operand 16005 states and 19205 transitions. Second operand 11 states. [2018-10-25 00:00:45,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:45,140 INFO L93 Difference]: Finished difference Result 33861 states and 44260 transitions. [2018-10-25 00:00:45,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-10-25 00:00:45,141 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 219 [2018-10-25 00:00:45,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:45,242 INFO L225 Difference]: With dead ends: 33861 [2018-10-25 00:00:45,243 INFO L226 Difference]: Without dead ends: 19012 [2018-10-25 00:00:45,295 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 458 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=358, Invalid=1534, Unknown=0, NotChecked=0, Total=1892 [2018-10-25 00:00:45,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19012 states. [2018-10-25 00:00:45,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19012 to 17532. [2018-10-25 00:00:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17532 states. [2018-10-25 00:00:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17532 states to 17532 states and 20364 transitions. [2018-10-25 00:00:45,886 INFO L78 Accepts]: Start accepts. Automaton has 17532 states and 20364 transitions. Word has length 219 [2018-10-25 00:00:45,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:45,886 INFO L481 AbstractCegarLoop]: Abstraction has 17532 states and 20364 transitions. [2018-10-25 00:00:45,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-25 00:00:45,886 INFO L276 IsEmpty]: Start isEmpty. Operand 17532 states and 20364 transitions. [2018-10-25 00:00:45,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-10-25 00:00:45,931 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:00:45,931 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:00:45,931 INFO L424 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:00:45,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:45,932 INFO L82 PathProgramCache]: Analyzing trace with hash 11417073, now seen corresponding path program 1 times [2018-10-25 00:00:45,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:00:45,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:45,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:45,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:45,933 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:00:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:46,750 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 271 proven. 18 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-10-25 00:00:46,751 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:46,751 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:00:46,751 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 284 with the following transitions: [2018-10-25 00:00:46,751 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [129], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:00:46,753 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:00:46,754 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:00:47,509 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:00:47,509 INFO L272 AbstractInterpreter]: Visited 106 different actions 435 times. Merged at 9 different actions 47 times. Widened at 1 different actions 5 times. Found 9 fixpoints after 4 different actions. Largest state had 42 variables. [2018-10-25 00:00:47,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:47,518 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:00:47,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:47,518 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:00:47,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:47,526 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:00:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:47,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:00:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-10-25 00:00:48,017 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:00:48,686 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 271 proven. 18 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-10-25 00:00:48,707 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:00:48,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-25 00:00:48,708 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:00:48,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 00:00:48,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 00:00:48,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-25 00:00:48,710 INFO L87 Difference]: Start difference. First operand 17532 states and 20364 transitions. Second operand 9 states. [2018-10-25 00:00:49,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:49,802 INFO L93 Difference]: Finished difference Result 25257 states and 29913 transitions. [2018-10-25 00:00:49,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 00:00:49,803 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 283 [2018-10-25 00:00:49,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:49,803 INFO L225 Difference]: With dead ends: 25257 [2018-10-25 00:00:49,803 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:00:49,860 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 567 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2018-10-25 00:00:49,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:00:49,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:00:49,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:00:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:00:49,861 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 283 [2018-10-25 00:00:49,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:49,861 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:00:49,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 00:00:49,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:00:49,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:00:49,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:00:49,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:50,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:51,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:51,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:51,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:51,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:51,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:51,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:51,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:51,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:51,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:51,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:52,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:52,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:52,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:52,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:52,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:52,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:52,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:52,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:52,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:52,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:52,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:52,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:53,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:54,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:55,942 WARN L179 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 951 DAG size of output: 557 [2018-10-25 00:00:56,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:56,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:56,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:56,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:56,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:56,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:56,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:56,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:56,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:56,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:56,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:56,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:57,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:58,963 WARN L179 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 924 DAG size of output: 512 [2018-10-25 00:00:59,096 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2018-10-25 00:00:59,445 WARN L179 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 86 [2018-10-25 00:01:04,734 WARN L179 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 583 DAG size of output: 167 [2018-10-25 00:01:09,022 WARN L179 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 552 DAG size of output: 141 [2018-10-25 00:01:13,061 WARN L179 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 516 DAG size of output: 133 [2018-10-25 00:01:13,065 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:01:13,065 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (<= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-10-25 00:01:13,065 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:01:13,065 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-25 00:01:13,066 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-25 00:01:13,066 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,066 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,066 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,066 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,066 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,066 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,066 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-25 00:01:13,066 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-25 00:01:13,067 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-25 00:01:13,067 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-25 00:01:13,067 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-25 00:01:13,067 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-25 00:01:13,067 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-25 00:01:13,067 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-25 00:01:13,067 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-25 00:01:13,067 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-25 00:01:13,067 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,067 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,067 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,067 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,067 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,067 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,068 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-25 00:01:13,068 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-25 00:01:13,068 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-25 00:01:13,068 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-25 00:01:13,068 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-25 00:01:13,068 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-25 00:01:13,068 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-25 00:01:13,068 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-25 00:01:13,068 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-25 00:01:13,068 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-25 00:01:13,068 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-25 00:01:13,069 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-25 00:01:13,070 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-25 00:01:13,070 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-25 00:01:13,070 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-25 00:01:13,070 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,070 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,070 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,070 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,070 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,070 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-25 00:01:13,070 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-25 00:01:13,070 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-25 00:01:13,071 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-25 00:01:13,071 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-25 00:01:13,071 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-25 00:01:13,071 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-25 00:01:13,071 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-25 00:01:13,071 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-25 00:01:13,071 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-25 00:01:13,071 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-25 00:01:13,071 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-25 00:01:13,071 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-25 00:01:13,072 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,072 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,072 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,072 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,072 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,072 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-25 00:01:13,072 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-25 00:01:13,072 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-25 00:01:13,072 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-25 00:01:13,072 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-25 00:01:13,073 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-25 00:01:13,073 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-25 00:01:13,073 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-25 00:01:13,073 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-25 00:01:13,073 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,073 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,073 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,073 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,073 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,073 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,073 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-25 00:01:13,073 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,074 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-25 00:01:13,074 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-25 00:01:13,074 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-25 00:01:13,074 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-25 00:01:13,074 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-25 00:01:13,074 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-25 00:01:13,074 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-25 00:01:13,074 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-25 00:01:13,074 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-25 00:01:13,074 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-25 00:01:13,074 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-25 00:01:13,074 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-25 00:01:13,074 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-25 00:01:13,074 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,075 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,075 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,075 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,075 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,075 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-25 00:01:13,075 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-25 00:01:13,075 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-25 00:01:13,075 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-25 00:01:13,075 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-25 00:01:13,075 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-25 00:01:13,075 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-25 00:01:13,075 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-25 00:01:13,075 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,075 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,076 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,076 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,076 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,076 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-25 00:01:13,076 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-25 00:01:13,076 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-25 00:01:13,076 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-25 00:01:13,076 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-25 00:01:13,076 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-25 00:01:13,076 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-25 00:01:13,076 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-25 00:01:13,076 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-25 00:01:13,076 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-25 00:01:13,077 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse13 (= 1 |old(~a20~0)|))) (let ((.cse11 (= 1 |old(~a7~0)|)) (.cse19 (= |old(~a20~0)| ~a20~0)) (.cse15 (<= ~a8~0 |old(~a8~0)|)) (.cse16 (= ~a7~0 |old(~a7~0)|)) (.cse20 (= ~a17~0 |old(~a17~0)|)) (.cse25 (= ~a16~0 |old(~a16~0)|)) (.cse27 (<= |old(~a8~0)| ~a8~0)) (.cse7 (= 4 |old(~a16~0)|)) (.cse33 (not (= ~a16~0 0))) (.cse34 (not (= ~a8~0 0))) (.cse35 (= ~a12~0 8)) (.cse26 (= ~a21~0 1)) (.cse28 (= ~a20~0 1)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse32 (not .cse13)) (.cse36 (= 0 |old(~a16~0)|)) (.cse29 (not (= 8 ~a12~0))) (.cse30 (= |calculate_output_#in~input| 0)) (.cse37 (= 0 |old(~a8~0)|))) (let ((.cse22 (or .cse1 .cse32 .cse36 .cse29 .cse30 .cse37)) (.cse23 (and .cse33 .cse34 .cse35 .cse26 .cse28 (not .cse30))) (.cse24 (not .cse7)) (.cse5 (< 0 |old(~a20~0)|)) (.cse21 (not (= |old(~a20~0)| 1))) (.cse2 (and .cse19 .cse15 .cse16 .cse20 .cse25 .cse27 (= 1 ~a21~0))) (.cse3 (< |old(~a8~0)| 14)) (.cse12 (or .cse1 .cse36 .cse29 .cse37)) (.cse17 (and .cse33 .cse34 (= ~a17~0 1) .cse35 .cse26)) (.cse14 (not (= 1 |old(~a17~0)|))) (.cse6 (< 13 |old(~a8~0)|)) (.cse8 (and .cse19 (= ~a21~0 |old(~a21~0)|) .cse15 .cse16 .cse20 .cse25 .cse27)) (.cse4 (< 0 |old(~a17~0)|)) (.cse10 (< 0 |old(~a21~0)|)) (.cse0 (= 6 |old(~a16~0)|)) (.cse31 (= 1 ~a7~0)) (.cse18 (= |old(~a16~0)| ~a16~0)) (.cse9 (not .cse11))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 (< |old(~a20~0)| 1) .cse9 .cse4 .cse10) (or .cse0 .cse11 .cse3 .cse12 .cse2 .cse13 .cse14) (or (and .cse15 .cse16 .cse17 .cse18) .cse6 .cse12 .cse14) (or .cse11 .cse6 (and .cse15 .cse16 .cse19 .cse20 .cse18) .cse21 .cse4) (or .cse0 .cse6 .cse9 .cse10 .cse8 .cse14) (or .cse6 .cse22 .cse23 .cse14) (or .cse1 .cse11 .cse2 .cse3 .cse4) (or .cse0 .cse22 .cse23 .cse9 .cse14) (or .cse22 .cse24 (and (and .cse15 .cse16 .cse23 (= 1 ~a17~0)) .cse25) .cse14) (or .cse11 .cse6 .cse24 (and .cse19 .cse20 (<= ~a21~0 |old(~a21~0)|)) .cse4) (or .cse0 .cse11 .cse6 (and .cse15 .cse16 .cse18)) (or .cse2 .cse11 .cse3 .cse12 .cse5 .cse14) (or (and .cse15 .cse26 .cse16 .cse20 .cse27 .cse28 (= ~a16~0 5)) (or (or (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= 3 ~c~0)) .cse21 (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) (or (not (= 0 |old(~a7~0)|)) .cse1 (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) .cse29 .cse30)) (not (= |old(~a17~0)| 1))) (or .cse0 .cse1 .cse7 .cse2 .cse3 .cse4) (or .cse0 .cse12 .cse9 (and .cse15 .cse31 .cse17 .cse18) .cse14) (or .cse6 .cse32 .cse8 .cse9 .cse4 .cse10) (or .cse0 .cse7 (and .cse15 .cse31 (<= 15 ~a8~0) .cse18) .cse9 (< |old(~a8~0)| 15)))))) [2018-10-25 00:01:13,077 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-25 00:01:13,077 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,077 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,077 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,077 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,077 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-25 00:01:13,077 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,077 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,077 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-25 00:01:13,077 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,078 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-25 00:01:13,079 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,079 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 446) no Hoare annotation was computed. [2018-10-25 00:01:13,079 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-25 00:01:13,079 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-25 00:01:13,079 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-25 00:01:13,079 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-25 00:01:13,079 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-25 00:01:13,079 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-25 00:01:13,079 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-25 00:01:13,079 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-25 00:01:13,079 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-25 00:01:13,079 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-25 00:01:13,079 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-25 00:01:13,080 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-25 00:01:13,081 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-25 00:01:13,081 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-25 00:01:13,081 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-25 00:01:13,081 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:01:13,081 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~a8~0 15) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= 1 ~a21~0) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-10-25 00:01:13,081 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:01:13,081 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:01:13,081 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= ~v~0 22)) (not (= ~u~0 21)) (and (= ~a8~0 15) (= ~a16~0 |old(~a16~0)|) (= 1 ~a21~0) (= ~a7~0 0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-25 00:01:13,081 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-10-25 00:01:13,082 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse14 (= ~a12~0 8)) (.cse10 (= ~a16~0 4))) (let ((.cse4 (not (= main_~input~0 0))) (.cse5 (= 1 ~a21~0)) (.cse6 (<= 14 ~a8~0)) (.cse3 (not (= ~a16~0 6))) (.cse1 (= 1 ~a7~0)) (.cse12 (not .cse10)) (.cse0 (<= ~a8~0 13)) (.cse2 (<= ~a21~0 0)) (.cse13 (= |old(~a20~0)| ~a20~0)) (.cse7 (<= ~a17~0 0)) (.cse9 (not (= ~a7~0 1))) (.cse11 (and (not (= ~a16~0 0)) (not (= ~a8~0 0)) (= ~a17~0 1) .cse14 (= ~a21~0 1))) (.cse8 (<= ~a20~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~a17~0)) (and .cse4 (= ~a8~0 15) (= ~a16~0 |old(~a16~0)|) .cse5 (= ~a7~0 0) (= ~a17~0 |old(~a17~0)|)) (and .cse6 .cse3 .cse7 .cse5 .cse8) (and .cse0 .cse9 .cse10 .cse7) (and .cse1 .cse11 .cse3) (and .cse4 .cse11 .cse10) (not (= 3 ~c~0)) (and (<= ~a8~0 |old(~a8~0)|) .cse1 (<= 15 ~a8~0) .cse3 .cse12) (not (= 1 |old(~a21~0)|)) (not (= 4 ~d~0)) (and .cse0 .cse9 .cse13 .cse7) (not (= 2 ~b~0)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not .cse14) (not (= ~e~0 5)) (and (not (= ~a20~0 1)) .cse11 .cse3) (and .cse6 .cse3 .cse7 .cse5 .cse12) (and .cse0 .cse11) (not (= 21 ~u~0)) (and .cse9 .cse6 .cse7 (= ~a21~0 |old(~a21~0)|)) (not (= 22 ~v~0)) (and .cse0 (= ~a7~0 |old(~a7~0)|) .cse3) (and .cse0 .cse1 .cse2 .cse7 .cse12 (<= 1 ~a20~0)) (and .cse0 .cse2 .cse13 .cse7) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (and .cse9 .cse11 .cse8) (not (= 15 |old(~a8~0)|)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= 6 ~f~0))))) [2018-10-25 00:01:13,082 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-10-25 00:01:13,082 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-25 00:01:13,082 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-25 00:01:13,082 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse17 (not (= ~a8~0 0))) (.cse9 (= ~a17~0 1)) (.cse10 (= ~a21~0 1)) (.cse6 (= ~a16~0 4))) (let ((.cse11 (= ~a7~0 |old(~a7~0)|)) (.cse3 (not (= ~a16~0 6))) (.cse12 (<= 14 ~a8~0)) (.cse13 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= 1 ~a17~0)) (.cse1 (= 1 ~a7~0)) (.cse8 (not .cse6)) (.cse0 (<= ~a8~0 13)) (.cse2 (<= ~a21~0 0)) (.cse16 (= |old(~a20~0)| ~a20~0)) (.cse7 (<= ~a17~0 0)) (.cse5 (not (= ~a7~0 1))) (.cse15 (and (not (= ~a16~0 0)) .cse17 .cse9 (= ~a12~0 8) .cse10)) (.cse14 (<= ~a20~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7) (and (<= ~a8~0 |old(~a8~0)|) .cse1 (<= 15 ~a8~0) .cse3 .cse8) (not (= 1 |old(~a21~0)|)) (not (= 4 ~d~0)) (and (or (and (not (= main_~input~0 0)) .cse4) (and (= (+ main_~output~0 1) 0) .cse9)) (= ~a8~0 15) .cse10 .cse11 (= ~a16~0 5)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= 22 ~v~0)) (and .cse0 .cse11 .cse3) (and (and .cse3 .cse7 .cse8) .cse12 .cse13) (not (= ~c~0 3)) (not (= 1 ~a~0)) (not (= 5 |old(~a16~0)|)) (not (= ~u~0 21)) (not (= |old(~a7~0)| 0)) (not (= 26 ~z~0)) (and .cse12 .cse3 .cse7 (= 1 ~a21~0) .cse14) (and .cse1 .cse15 .cse3) (and .cse0 .cse15) (and .cse0 .cse5 .cse16 .cse7) (not (= 8 ~a12~0)) (not (= 2 ~b~0)) (not (= 25 ~y~0)) (and (not (= ~a20~0 1)) .cse15 .cse3) (and .cse5 .cse12 .cse7 .cse13) (and (and (and .cse17 .cse10) .cse4) .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse8 (<= 1 ~a20~0)) (and .cse0 .cse2 .cse16 .cse7) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (and .cse5 .cse15 .cse14) (not (= 15 |old(~a8~0)|)) (not (= |old(~a17~0)| 1)) (not (= 6 ~f~0))))) [2018-10-25 00:01:13,082 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-10-25 00:01:13,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:01:13 BoogieIcfgContainer [2018-10-25 00:01:13,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:01:13,111 INFO L168 Benchmark]: Toolchain (without parser) took 153104.62 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-10-25 00:01:13,112 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:01:13,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.87 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. [2018-10-25 00:01:13,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.41 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2018-10-25 00:01:13,114 INFO L168 Benchmark]: Boogie Preprocessor took 223.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -849.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:01:13,115 INFO L168 Benchmark]: RCFGBuilder took 3007.02 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: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB. [2018-10-25 00:01:13,117 INFO L168 Benchmark]: TraceAbstraction took 149008.54 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-25 00:01:13,126 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 732.87 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 125.41 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 223.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -849.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3007.02 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: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 149008.54 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 446]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((a8 <= 13 && 1 == a7) && a21 <= 0) && !(a16 == 6)) && 1 == a17) || (((a8 <= 13 && !(a7 == 1)) && a16 == 4) && a17 <= 0)) || ((((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && !(a16 == 6)) && !(a16 == 4))) || !(1 == \old(a21))) || !(4 == d)) || ((((((!(input == 0) && 1 == a17) || (output + 1 == 0 && a17 == 1)) && a8 == 15) && a21 == 1) && a7 == \old(a7)) && a16 == 5)) || !(x == 24)) || !(e == 5)) || !(22 == v)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || ((((!(a16 == 6) && a17 <= 0) && !(a16 == 4)) && 14 <= a8) && a21 == \old(a21))) || !(c == 3)) || !(1 == a)) || !(5 == \old(a16))) || !(u == 21)) || !(\old(a7) == 0)) || !(26 == z)) || ((((14 <= a8 && !(a16 == 6)) && a17 <= 0) && 1 == a21) && a20 <= 0)) || ((1 == a7 && (((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && !(a16 == 6))) || (a8 <= 13 && (((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1)) || (((a8 <= 13 && !(a7 == 1)) && \old(a20) == a20) && a17 <= 0)) || !(8 == a12)) || !(2 == b)) || !(25 == y)) || ((!(a20 == 1) && (((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && !(a16 == 6))) || (((!(a7 == 1) && 14 <= a8) && a17 <= 0) && a21 == \old(a21))) || (((!(a8 == 0) && a21 == 1) && 1 == a17) && a16 == 4)) || (((((a8 <= 13 && 1 == a7) && a21 <= 0) && a17 <= 0) && !(a16 == 4)) && 1 <= a20)) || (((a8 <= 13 && a21 <= 0) && \old(a20) == a20) && a17 <= 0)) || !(\old(a20) == 1)) || !(23 == w)) || ((!(a7 == 1) && (((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 <= 0)) || !(15 == \old(a8))) || !(\old(a17) == 1)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 148.9s OverallTime, 14 OverallIterations, 7 TraceHistogramMax, 86.2s AutomataDifference, 0.0s DeadEndRemovalTime, 23.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1721 SDtfs, 18154 SDslu, 2716 SDs, 0 SdLazy, 24776 SolverSat, 3114 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.7s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 3265 GetRequests, 2576 SyntacticMatches, 447 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4230 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17532occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.9s AbstIntTime, 10 AbstIntIterations, 5 AbstIntStrong, 0.996437010910345 AbsIntWeakeningRatio, 0.25669099756691 AbsIntAvgWeakeningVarsNumRemoved, 0.889294403892944 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 3905 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 952 PreInvPairs, 1540 NumberOfFragments, 1795 HoareAnnotationTreeSize, 952 FomulaSimplifications, 104743 FormulaSimplificationTreeSizeReduction, 9.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 83899 FormulaSimplificationTreeSizeReductionInter, 14.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 3428 NumberOfCodeBlocks, 3428 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4490 ConstructedInterpolants, 0 QuantifiedInterpolants, 1628864 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3235 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 24 InterpolantComputations, 4 PerfectInterpolantSequences, 4379/4813 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...