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_label01_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 23:58:38,100 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 23:58:38,102 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 23:58:38,115 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 23:58:38,115 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 23:58:38,116 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 23:58:38,117 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 23:58:38,119 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 23:58:38,121 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 23:58:38,122 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 23:58:38,123 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 23:58:38,123 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 23:58:38,124 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 23:58:38,125 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 23:58:38,126 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 23:58:38,127 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 23:58:38,128 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 23:58:38,130 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 23:58:38,132 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 23:58:38,134 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 23:58:38,135 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 23:58:38,136 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 23:58:38,138 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 23:58:38,139 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 23:58:38,139 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 23:58:38,140 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 23:58:38,141 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 23:58:38,142 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 23:58:38,143 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 23:58:38,144 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 23:58:38,144 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 23:58:38,145 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 23:58:38,145 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 23:58:38,145 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 23:58:38,146 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 23:58:38,147 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 23:58:38,147 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 23:58:38,173 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 23:58:38,174 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 23:58:38,175 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 23:58:38,175 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 23:58:38,175 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 23:58:38,175 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 23:58:38,176 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-24 23:58:38,176 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 23:58:38,177 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-24 23:58:38,177 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 23:58:38,177 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 23:58:38,177 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 23:58:38,177 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 23:58:38,178 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 23:58:38,178 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 23:58:38,179 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 23:58:38,180 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 23:58:38,180 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 23:58:38,180 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 23:58:38,180 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 23:58:38,180 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 23:58:38,181 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 23:58:38,181 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 23:58:38,181 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 23:58:38,181 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 23:58:38,182 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 23:58:38,182 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 23:58:38,182 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 23:58:38,183 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 23:58:38,183 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 23:58:38,183 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 23:58:38,183 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 23:58:38,183 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 23:58:38,184 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 23:58:38,184 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 23:58:38,184 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 23:58:38,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 23:58:38,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 23:58:38,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 23:58:38,265 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 23:58:38,265 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 23:58:38,267 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c [2018-10-24 23:58:38,334 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/87bb3bb89/3c33669c6ca14774ad7ab181782c9426/FLAG968db64f5 [2018-10-24 23:58:38,938 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 23:58:38,939 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c [2018-10-24 23:58:38,951 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/87bb3bb89/3c33669c6ca14774ad7ab181782c9426/FLAG968db64f5 [2018-10-24 23:58:38,967 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/87bb3bb89/3c33669c6ca14774ad7ab181782c9426 [2018-10-24 23:58:38,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 23:58:38,980 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 23:58:38,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 23:58:38,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 23:58:38,985 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 23:58:38,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:58:38" (1/1) ... [2018-10-24 23:58:38,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d5e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:38, skipping insertion in model container [2018-10-24 23:58:38,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:58:38" (1/1) ... [2018-10-24 23:58:39,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 23:58:39,056 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 23:58:39,493 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:58:39,498 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 23:58:39,642 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:58:39,671 INFO L193 MainTranslator]: Completed translation [2018-10-24 23:58:39,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:39 WrapperNode [2018-10-24 23:58:39,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 23:58:39,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 23:58:39,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 23:58:39,673 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 23:58:39,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:39" (1/1) ... [2018-10-24 23:58:39,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:39" (1/1) ... [2018-10-24 23:58:39,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 23:58:39,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 23:58:39,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 23:58:39,883 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 23:58:39,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:39" (1/1) ... [2018-10-24 23:58:39,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:39" (1/1) ... [2018-10-24 23:58:39,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:39" (1/1) ... [2018-10-24 23:58:39,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:39" (1/1) ... [2018-10-24 23:58:39,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:39" (1/1) ... [2018-10-24 23:58:39,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:39" (1/1) ... [2018-10-24 23:58:39,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:39" (1/1) ... [2018-10-24 23:58:39,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 23:58:39,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 23:58:39,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 23:58:39,980 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 23:58:39,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:39" (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 23:58:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 23:58:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 23:58:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 23:58:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 23:58:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 23:58:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 23:58:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 23:58:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 23:58:43,486 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 23:58:43,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:58:43 BoogieIcfgContainer [2018-10-24 23:58:43,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 23:58:43,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 23:58:43,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 23:58:43,492 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 23:58:43,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:58:38" (1/3) ... [2018-10-24 23:58:43,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adc325c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:58:43, skipping insertion in model container [2018-10-24 23:58:43,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:58:39" (2/3) ... [2018-10-24 23:58:43,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adc325c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:58:43, skipping insertion in model container [2018-10-24 23:58:43,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:58:43" (3/3) ... [2018-10-24 23:58:43,497 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label01_true-unreach-call_false-termination.c [2018-10-24 23:58:43,509 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 23:58:43,518 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 23:58:43,537 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 23:58:43,589 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 23:58:43,590 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 23:58:43,590 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 23:58:43,590 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 23:58:43,590 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 23:58:43,591 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 23:58:43,591 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 23:58:43,591 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 23:58:43,620 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-24 23:58:43,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-24 23:58:43,633 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:58:43,634 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:58:43,637 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:58:43,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:43,643 INFO L82 PathProgramCache]: Analyzing trace with hash 850595888, now seen corresponding path program 1 times [2018-10-24 23:58:43,646 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:58:43,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:43,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:58:43,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:43,699 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:58:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:58:44,310 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 23:58:44,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:58:44,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 23:58:44,314 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:58:44,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 23:58:44,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 23:58:44,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:58:44,342 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-24 23:58:45,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:58:45,959 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-24 23:58:45,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 23:58:45,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-10-24 23:58:45,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:58:45,980 INFO L225 Difference]: With dead ends: 550 [2018-10-24 23:58:45,981 INFO L226 Difference]: Without dead ends: 340 [2018-10-24 23:58:45,987 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:58:46,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-24 23:58:46,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-24 23:58:46,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-24 23:58:46,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-10-24 23:58:46,086 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 98 [2018-10-24 23:58:46,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:58:46,087 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-10-24 23:58:46,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 23:58:46,088 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-10-24 23:58:46,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-24 23:58:46,095 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:58:46,095 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:58:46,095 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:58:46,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:46,096 INFO L82 PathProgramCache]: Analyzing trace with hash 900426319, now seen corresponding path program 1 times [2018-10-24 23:58:46,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:58:46,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:46,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:58:46,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:46,098 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:58:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:58:46,413 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 23:58:46,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:58:46,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 23:58:46,414 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:58:46,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:58:46,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:58:46,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:58:46,419 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-10-24 23:58:48,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:58:48,354 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-10-24 23:58:48,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:58:48,357 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-10-24 23:58:48,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:58:48,366 INFO L225 Difference]: With dead ends: 1075 [2018-10-24 23:58:48,366 INFO L226 Difference]: Without dead ends: 741 [2018-10-24 23:58:48,373 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 23:58:48,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-10-24 23:58:48,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-10-24 23:58:48,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-10-24 23:58:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-10-24 23:58:48,434 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 109 [2018-10-24 23:58:48,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:58:48,434 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-10-24 23:58:48,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:58:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-10-24 23:58:48,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-24 23:58:48,444 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:58:48,444 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:58:48,444 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:58:48,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:48,445 INFO L82 PathProgramCache]: Analyzing trace with hash -774778626, now seen corresponding path program 1 times [2018-10-24 23:58:48,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:58:48,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:48,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:58:48,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:48,447 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:58:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:58:48,939 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:58:48,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:58:48,940 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:58:48,941 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 135 with the following transitions: [2018-10-24 23:58:48,943 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 23:58:49,001 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:58:49,002 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:58:50,088 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 23:58:50,089 INFO L272 AbstractInterpreter]: Visited 103 different actions 198 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 23:58:50,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:50,139 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 23:58:50,139 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:58:50,139 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 23:58:50,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:58:50,153 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 23:58:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:58:50,276 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 23:58:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-24 23:58:50,507 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 23:58:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-24 23:58:51,044 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:58:51,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-10-24 23:58:51,045 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:58:51,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 23:58:51,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 23:58:51,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-24 23:58:51,046 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 3 states. [2018-10-24 23:58:53,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:58:53,036 INFO L93 Difference]: Finished difference Result 2107 states and 3413 transitions. [2018-10-24 23:58:53,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 23:58:53,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2018-10-24 23:58:53,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:58:53,053 INFO L225 Difference]: With dead ends: 2107 [2018-10-24 23:58:53,053 INFO L226 Difference]: Without dead ends: 1389 [2018-10-24 23:58:53,057 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 266 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-24 23:58:53,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2018-10-24 23:58:53,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1389. [2018-10-24 23:58:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1389 states. [2018-10-24 23:58:53,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 2087 transitions. [2018-10-24 23:58:53,127 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 2087 transitions. Word has length 134 [2018-10-24 23:58:53,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:58:53,130 INFO L481 AbstractCegarLoop]: Abstraction has 1389 states and 2087 transitions. [2018-10-24 23:58:53,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 23:58:53,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 2087 transitions. [2018-10-24 23:58:53,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-24 23:58:53,144 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:58:53,145 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 23:58:53,145 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:58:53,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:53,146 INFO L82 PathProgramCache]: Analyzing trace with hash -2005292608, now seen corresponding path program 1 times [2018-10-24 23:58:53,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:58:53,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:53,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:58:53,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:53,148 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:58:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:58:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:58:53,394 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:58:53,394 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:58:53,395 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2018-10-24 23:58:53,395 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [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], [261], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 23:58:53,403 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:58:53,404 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:58:53,888 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 23:58:53,888 INFO L272 AbstractInterpreter]: Visited 103 different actions 198 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 23:58:53,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:53,926 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 23:58:53,926 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:58:53,926 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 [2018-10-24 23:58:53,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:58:53,940 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 23:58:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:58:54,039 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 23:58:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:58:54,525 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 23:58:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:58:54,836 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 23:58:54,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-24 23:58:54,837 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 23:58:54,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-24 23:58:54,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-24 23:58:54,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-10-24 23:58:54,838 INFO L87 Difference]: Start difference. First operand 1389 states and 2087 transitions. Second operand 9 states. [2018-10-24 23:58:59,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:58:59,361 INFO L93 Difference]: Finished difference Result 4436 states and 7522 transitions. [2018-10-24 23:58:59,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-10-24 23:58:59,362 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 183 [2018-10-24 23:58:59,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:58:59,400 INFO L225 Difference]: With dead ends: 4436 [2018-10-24 23:58:59,400 INFO L226 Difference]: Without dead ends: 3053 [2018-10-24 23:58:59,416 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 376 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=266, Invalid=856, Unknown=0, NotChecked=0, Total=1122 [2018-10-24 23:58:59,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2018-10-24 23:58:59,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 2840. [2018-10-24 23:58:59,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2840 states. [2018-10-24 23:58:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 4099 transitions. [2018-10-24 23:58:59,543 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 4099 transitions. Word has length 183 [2018-10-24 23:58:59,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:58:59,544 INFO L481 AbstractCegarLoop]: Abstraction has 2840 states and 4099 transitions. [2018-10-24 23:58:59,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-24 23:58:59,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 4099 transitions. [2018-10-24 23:58:59,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-24 23:58:59,556 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:58:59,556 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:58:59,556 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:58:59,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:58:59,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1167452104, now seen corresponding path program 1 times [2018-10-24 23:58:59,557 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:58:59,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:59,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:58:59,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:58:59,558 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:58:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:58:59,762 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-24 23:58:59,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:58:59,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 23:58:59,763 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:58:59,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 23:58:59,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 23:58:59,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:58:59,764 INFO L87 Difference]: Start difference. First operand 2840 states and 4099 transitions. Second operand 3 states. [2018-10-24 23:59:01,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:01,332 INFO L93 Difference]: Finished difference Result 7319 states and 10654 transitions. [2018-10-24 23:59:01,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 23:59:01,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2018-10-24 23:59:01,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:01,336 INFO L225 Difference]: With dead ends: 7319 [2018-10-24 23:59:01,336 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 23:59:01,367 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 23:59:01,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 23:59:01,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 23:59:01,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 23:59:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 23:59:01,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2018-10-24 23:59:01,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:01,369 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 23:59:01,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 23:59:01,369 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 23:59:01,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 23:59:01,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 23:59:01,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 23:59:01,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 23:59:01,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 23:59:01,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 23:59:01,718 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-24 23:59:02,220 WARN L179 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2018-10-24 23:59:02,788 WARN L179 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 38 [2018-10-24 23:59:02,852 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-24 23:59:02,852 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-10-24 23:59:02,852 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-24 23:59:02,853 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-24 23:59:02,853 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-24 23:59:02,853 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,853 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,853 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,853 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,853 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,853 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,853 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-24 23:59:02,853 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-24 23:59:02,854 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-24 23:59:02,854 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-24 23:59:02,856 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-24 23:59:02,856 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-24 23:59:02,856 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-24 23:59:02,856 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-24 23:59:02,856 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-24 23:59:02,856 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-24 23:59:02,857 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,857 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,857 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,857 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,857 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,857 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,857 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-24 23:59:02,858 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-24 23:59:02,858 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-24 23:59:02,858 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-24 23:59:02,858 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-24 23:59:02,858 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-24 23:59:02,858 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-24 23:59:02,858 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-24 23:59:02,858 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-24 23:59:02,858 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-24 23:59:02,859 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-24 23:59:02,861 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-24 23:59:02,861 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-24 23:59:02,861 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-24 23:59:02,861 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-10-24 23:59:02,862 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,862 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,862 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,862 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,862 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,862 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-24 23:59:02,862 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-24 23:59:02,862 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-24 23:59:02,862 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-24 23:59:02,863 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-24 23:59:02,863 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-24 23:59:02,863 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-24 23:59:02,863 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-24 23:59:02,863 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-24 23:59:02,863 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,863 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,863 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,864 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,864 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,864 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-24 23:59:02,864 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-24 23:59:02,864 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-24 23:59:02,864 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-24 23:59:02,864 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-24 23:59:02,864 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-24 23:59:02,865 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-24 23:59:02,865 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-24 23:59:02,865 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-24 23:59:02,865 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-24 23:59:02,865 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-24 23:59:02,865 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-24 23:59:02,865 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-24 23:59:02,865 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,865 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,866 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,868 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,868 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,868 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-24 23:59:02,868 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-24 23:59:02,869 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-24 23:59:02,869 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-24 23:59:02,869 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-24 23:59:02,869 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-24 23:59:02,869 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-24 23:59:02,869 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-24 23:59:02,869 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-24 23:59:02,869 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,869 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,870 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,870 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,870 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,870 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,870 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-24 23:59:02,870 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,870 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-24 23:59:02,870 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-24 23:59:02,870 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-24 23:59:02,871 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-24 23:59:02,871 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-24 23:59:02,871 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-24 23:59:02,871 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-24 23:59:02,871 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-24 23:59:02,871 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-24 23:59:02,871 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-24 23:59:02,871 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-24 23:59:02,872 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-24 23:59:02,872 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-24 23:59:02,872 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,872 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,872 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,872 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,872 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,872 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-24 23:59:02,872 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-24 23:59:02,873 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-24 23:59:02,873 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-24 23:59:02,873 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-24 23:59:02,873 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-24 23:59:02,873 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-24 23:59:02,873 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-24 23:59:02,873 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,873 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,874 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,875 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,876 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,876 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-24 23:59:02,876 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-24 23:59:02,876 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-24 23:59:02,876 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-24 23:59:02,876 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-24 23:59:02,876 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-24 23:59:02,877 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-24 23:59:02,877 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-24 23:59:02,877 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-24 23:59:02,877 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-24 23:59:02,877 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse3 (= 6 |old(~a16~0)|)) (.cse7 (= 13 |old(~a8~0)|)) (.cse6 (not (= ~a8~0 13))) (.cse2 (< 0 |old(~a17~0)|)) (.cse4 (not (= 1 |old(~a21~0)|))) (.cse5 (= 1 |old(~a7~0)|)) (.cse0 (= |old(~a16~0)| ~a16~0)) (.cse1 (= ~a21~0 |old(~a21~0)|))) (and (or (and .cse0 (<= ~a17~0 0) .cse1) .cse2) (or .cse3 (and .cse0 .cse1)) (or .cse4 .cse5 .cse6 .cse7) (or .cse3 .cse4 .cse7 .cse6) (or .cse4 .cse7 .cse6 .cse2) (or .cse4 .cse5 (and (not (= ~a7~0 1)) .cse0 .cse1)))) [2018-10-24 23:59:02,877 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-24 23:59:02,878 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2018-10-24 23:59:02,878 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,878 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,878 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,878 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,878 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-24 23:59:02,878 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,878 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,878 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-24 23:59:02,879 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-24 23:59:02,879 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-24 23:59:02,879 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-24 23:59:02,879 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-24 23:59:02,879 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-24 23:59:02,879 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-24 23:59:02,879 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-24 23:59:02,879 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-24 23:59:02,879 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-24 23:59:02,880 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-24 23:59:02,880 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-24 23:59:02,880 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,880 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,880 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,881 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,881 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,881 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-24 23:59:02,881 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,881 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-24 23:59:02,881 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-24 23:59:02,881 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-24 23:59:02,881 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-24 23:59:02,881 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-24 23:59:02,882 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-24 23:59:02,885 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-24 23:59:02,885 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-24 23:59:02,885 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-24 23:59:02,885 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-24 23:59:02,885 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-24 23:59:02,885 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-24 23:59:02,885 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-24 23:59:02,886 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-24 23:59:02,886 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,886 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,886 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,886 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,886 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,886 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 23:59:02,886 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-24 23:59:02,887 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-24 23:59:02,887 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-24 23:59:02,887 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-24 23:59:02,887 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-24 23:59:02,887 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-24 23:59:02,887 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-24 23:59:02,887 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-24 23:59:02,887 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-24 23:59:02,887 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-24 23:59:02,888 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 23:59:02,888 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (not (= ~a16~0 6)) (= 1 ~a21~0) (not (= ~a8~0 13))) [2018-10-24 23:59:02,888 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-24 23:59:02,888 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 23:59:02,888 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (= 13 |old(~a8~0)|) (and (not (= ~a7~0 1)) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|) (not (= ~a8~0 13)))) [2018-10-24 23:59:02,888 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-10-24 23:59:02,889 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (and (not (= ~a7~0 1)) (= 1 ~a21~0)) (= 13 |old(~a8~0)|) (not (= ~a16~0 6)) (<= ~a17~0 0)) [2018-10-24 23:59:02,889 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-10-24 23:59:02,889 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-24 23:59:02,889 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-24 23:59:02,889 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (and (not (= ~a7~0 1)) (= 1 ~a21~0)) (= 13 |old(~a8~0)|) (not (= ~a16~0 6)) (<= ~a17~0 0)) [2018-10-24 23:59:02,889 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-10-24 23:59:02,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:59:02 BoogieIcfgContainer [2018-10-24 23:59:02,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 23:59:02,914 INFO L168 Benchmark]: Toolchain (without parser) took 23935.69 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -550.0 MB). Peak memory consumption was 556.3 MB. Max. memory is 7.1 GB. [2018-10-24 23:59:02,916 INFO L168 Benchmark]: CDTParser took 0.31 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. [2018-10-24 23:59:02,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.69 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. [2018-10-24 23:59:02,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 209.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -831.6 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2018-10-24 23:59:02,919 INFO L168 Benchmark]: Boogie Preprocessor took 97.04 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 23:59:02,919 INFO L168 Benchmark]: RCFGBuilder took 3507.87 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: 117.2 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. [2018-10-24 23:59:02,921 INFO L168 Benchmark]: TraceAbstraction took 19424.99 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 348.7 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 132.7 MB). Peak memory consumption was 481.4 MB. Max. memory is 7.1 GB. [2018-10-24 23:59:02,929 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 691.69 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 209.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -831.6 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.04 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3507.87 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: 117.2 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19424.99 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 348.7 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 132.7 MB). Peak memory consumption was 481.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 449]: 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: (((((6 == \old(a16) || !(1 == \old(a21))) || 1 == \old(a7)) || (!(a7 == 1) && 1 == a21)) || 13 == \old(a8)) || !(a16 == 6)) || a17 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 19.3s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 11.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 811 SDtfs, 2629 SDslu, 584 SDs, 0 SdLazy, 4520 SolverSat, 1225 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 703 GetRequests, 650 SyntacticMatches, 7 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2840occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 230 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 63 PreInvPairs, 115 NumberOfFragments, 203 HoareAnnotationTreeSize, 63 FomulaSimplifications, 5120 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 824 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1028 NumberOfCodeBlocks, 1028 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1336 ConstructedInterpolants, 0 QuantifiedInterpolants, 535247 SizeOfPredicates, 2 NumberOfNonLiveVariables, 894 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 498/506 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...