java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label14_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 08:22:05,953 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 08:22:05,955 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 08:22:05,967 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 08:22:05,968 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 08:22:05,969 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 08:22:05,970 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 08:22:05,972 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 08:22:05,974 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 08:22:05,975 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 08:22:05,976 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 08:22:05,976 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 08:22:05,977 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 08:22:05,978 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 08:22:05,980 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 08:22:05,980 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 08:22:05,981 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 08:22:05,983 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 08:22:05,986 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 08:22:05,987 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 08:22:05,988 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 08:22:05,990 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 08:22:05,992 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 08:22:05,993 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 08:22:05,993 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 08:22:05,994 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 08:22:05,995 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 08:22:05,996 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 08:22:05,997 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 08:22:05,998 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 08:22:05,998 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 08:22:05,999 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-07 08:22:06,002 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 08:22:06,029 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 08:22:06,029 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 08:22:06,032 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 08:22:06,032 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 08:22:06,033 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 08:22:06,033 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 08:22:06,033 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 08:22:06,033 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 08:22:06,033 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 08:22:06,034 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 08:22:06,034 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 08:22:06,034 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 08:22:06,034 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 08:22:06,035 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 08:22:06,036 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 08:22:06,037 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 08:22:06,038 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 08:22:06,038 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 08:22:06,038 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 08:22:06,038 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 08:22:06,038 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 08:22:06,039 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 08:22:06,039 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 08:22:06,039 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 08:22:06,039 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 08:22:06,039 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 08:22:06,040 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 08:22:06,040 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 08:22:06,040 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 08:22:06,041 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 08:22:06,041 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 08:22:06,041 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 08:22:06,041 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 08:22:06,041 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 08:22:06,042 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 08:22:06,043 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 08:22:06,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 08:22:06,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 08:22:06,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 08:22:06,115 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 08:22:06,115 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 08:22:06,116 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label14_true-unreach-call.c [2018-11-07 08:22:06,173 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af2b68468/b22121dc7f96447db3915d56c1b9c6c3/FLAG3564f2d30 [2018-11-07 08:22:06,740 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 08:22:06,741 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label14_true-unreach-call.c [2018-11-07 08:22:06,770 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af2b68468/b22121dc7f96447db3915d56c1b9c6c3/FLAG3564f2d30 [2018-11-07 08:22:06,801 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af2b68468/b22121dc7f96447db3915d56c1b9c6c3 [2018-11-07 08:22:06,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 08:22:06,816 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 08:22:06,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 08:22:06,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 08:22:06,824 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 08:22:06,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:22:06" (1/1) ... [2018-11-07 08:22:06,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63590d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:06, skipping insertion in model container [2018-11-07 08:22:06,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:22:06" (1/1) ... [2018-11-07 08:22:06,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 08:22:06,904 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 08:22:07,372 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:22:07,377 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 08:22:07,493 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:22:07,509 INFO L193 MainTranslator]: Completed translation [2018-11-07 08:22:07,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:07 WrapperNode [2018-11-07 08:22:07,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 08:22:07,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 08:22:07,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 08:22:07,512 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 08:22:07,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:07" (1/1) ... [2018-11-07 08:22:07,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:07" (1/1) ... [2018-11-07 08:22:07,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 08:22:07,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 08:22:07,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 08:22:07,639 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 08:22:07,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:07" (1/1) ... [2018-11-07 08:22:07,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:07" (1/1) ... [2018-11-07 08:22:07,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:07" (1/1) ... [2018-11-07 08:22:07,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:07" (1/1) ... [2018-11-07 08:22:07,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:07" (1/1) ... [2018-11-07 08:22:07,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:07" (1/1) ... [2018-11-07 08:22:07,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:07" (1/1) ... [2018-11-07 08:22:07,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 08:22:07,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 08:22:07,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 08:22:07,770 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 08:22:07,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 08:22:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 08:22:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 08:22:07,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 08:22:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 08:22:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 08:22:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 08:22:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 08:22:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 08:22:07,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 08:22:11,133 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 08:22:11,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:22:11 BoogieIcfgContainer [2018-11-07 08:22:11,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 08:22:11,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 08:22:11,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 08:22:11,143 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 08:22:11,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:22:06" (1/3) ... [2018-11-07 08:22:11,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382c365b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:22:11, skipping insertion in model container [2018-11-07 08:22:11,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:07" (2/3) ... [2018-11-07 08:22:11,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382c365b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:22:11, skipping insertion in model container [2018-11-07 08:22:11,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:22:11" (3/3) ... [2018-11-07 08:22:11,149 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label14_true-unreach-call.c [2018-11-07 08:22:11,160 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 08:22:11,175 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 08:22:11,192 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 08:22:11,231 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 08:22:11,231 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 08:22:11,231 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 08:22:11,232 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 08:22:11,232 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 08:22:11,233 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 08:22:11,233 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 08:22:11,233 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 08:22:11,261 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 08:22:11,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-07 08:22:11,270 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:22:11,271 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] [2018-11-07 08:22:11,274 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:22:11,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:11,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1440498332, now seen corresponding path program 1 times [2018-11-07 08:22:11,283 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:22:11,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:11,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:22:11,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:11,334 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:22:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:22:11,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:11,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:22:11,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 08:22:11,668 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:22:11,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 08:22:11,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 08:22:11,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 08:22:11,693 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 08:22:13,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:22:13,449 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 08:22:13,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 08:22:13,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-07 08:22:13,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:22:13,470 INFO L225 Difference]: With dead ends: 574 [2018-11-07 08:22:13,471 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 08:22:13,478 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 08:22:13,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 08:22:13,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 08:22:13,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 08:22:13,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-07 08:22:13,560 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 38 [2018-11-07 08:22:13,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:22:13,560 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-07 08:22:13,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 08:22:13,561 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-07 08:22:13,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-07 08:22:13,570 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:22:13,570 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:22:13,571 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:22:13,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:13,571 INFO L82 PathProgramCache]: Analyzing trace with hash 247043784, now seen corresponding path program 1 times [2018-11-07 08:22:13,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:22:13,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:13,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:22:13,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:13,573 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:22:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:22:13,998 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:13,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:22:13,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 08:22:13,999 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:22:14,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 08:22:14,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 08:22:14,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 08:22:14,002 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-07 08:22:16,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:22:16,566 INFO L93 Difference]: Finished difference Result 1140 states and 2022 transitions. [2018-11-07 08:22:16,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 08:22:16,567 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2018-11-07 08:22:16,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:22:16,577 INFO L225 Difference]: With dead ends: 1140 [2018-11-07 08:22:16,577 INFO L226 Difference]: Without dead ends: 790 [2018-11-07 08:22:16,580 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-07 08:22:16,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-11-07 08:22:16,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 784. [2018-11-07 08:22:16,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2018-11-07 08:22:16,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1300 transitions. [2018-11-07 08:22:16,635 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1300 transitions. Word has length 158 [2018-11-07 08:22:16,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:22:16,636 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 1300 transitions. [2018-11-07 08:22:16,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 08:22:16,636 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1300 transitions. [2018-11-07 08:22:16,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-07 08:22:16,642 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:22:16,643 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:22:16,643 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:22:16,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:16,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1650350691, now seen corresponding path program 1 times [2018-11-07 08:22:16,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:22:16,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:16,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:22:16,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:16,645 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:22:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:22:17,042 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:22:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:17,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:22:17,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 08:22:17,293 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:22:17,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 08:22:17,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 08:22:17,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 08:22:17,294 INFO L87 Difference]: Start difference. First operand 784 states and 1300 transitions. Second operand 6 states. [2018-11-07 08:22:20,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:22:20,918 INFO L93 Difference]: Finished difference Result 1975 states and 3367 transitions. [2018-11-07 08:22:20,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 08:22:20,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-11-07 08:22:20,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:22:20,927 INFO L225 Difference]: With dead ends: 1975 [2018-11-07 08:22:20,928 INFO L226 Difference]: Without dead ends: 1197 [2018-11-07 08:22:20,932 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 08:22:20,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2018-11-07 08:22:20,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1177. [2018-11-07 08:22:20,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2018-11-07 08:22:20,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1754 transitions. [2018-11-07 08:22:20,975 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1754 transitions. Word has length 165 [2018-11-07 08:22:20,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:22:20,975 INFO L480 AbstractCegarLoop]: Abstraction has 1177 states and 1754 transitions. [2018-11-07 08:22:20,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 08:22:20,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1754 transitions. [2018-11-07 08:22:20,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-07 08:22:20,982 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:22:20,982 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:22:20,983 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:22:20,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:20,983 INFO L82 PathProgramCache]: Analyzing trace with hash -837763145, now seen corresponding path program 1 times [2018-11-07 08:22:20,983 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:22:20,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:20,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:22:20,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:20,985 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:22:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:22:21,441 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 08:22:21,626 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 08:22:22,002 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 08:22:22,291 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-07 08:22:22,613 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:22,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:22:22,613 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:22:22,614 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 230 with the following transitions: [2018-11-07 08:22:22,616 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:22:22,666 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:22:22,667 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:22:23,950 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:22:23,951 INFO L272 AbstractInterpreter]: Visited 129 different actions 500 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 08:22:23,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:23,997 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:22:23,997 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:22:23,998 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 08:22:24,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:22:24,011 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:22:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:22:24,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:22:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:25,039 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:22:25,551 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:25,585 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 08:22:25,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 17 [2018-11-07 08:22:25,585 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 08:22:25,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-07 08:22:25,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-07 08:22:25,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-11-07 08:22:25,588 INFO L87 Difference]: Start difference. First operand 1177 states and 1754 transitions. Second operand 16 states. [2018-11-07 08:22:26,007 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-07 08:22:27,085 WARN L179 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 21 [2018-11-07 08:22:29,665 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2018-11-07 08:22:35,916 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-11-07 08:22:36,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:22:36,498 INFO L93 Difference]: Finished difference Result 3810 states and 6145 transitions. [2018-11-07 08:22:36,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-07 08:22:36,501 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 229 [2018-11-07 08:22:36,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:22:36,520 INFO L225 Difference]: With dead ends: 3810 [2018-11-07 08:22:36,520 INFO L226 Difference]: Without dead ends: 2639 [2018-11-07 08:22:36,534 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 469 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=654, Invalid=2102, Unknown=0, NotChecked=0, Total=2756 [2018-11-07 08:22:36,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2018-11-07 08:22:36,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 2321. [2018-11-07 08:22:36,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2321 states. [2018-11-07 08:22:36,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2321 states and 3108 transitions. [2018-11-07 08:22:36,622 INFO L78 Accepts]: Start accepts. Automaton has 2321 states and 3108 transitions. Word has length 229 [2018-11-07 08:22:36,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:22:36,622 INFO L480 AbstractCegarLoop]: Abstraction has 2321 states and 3108 transitions. [2018-11-07 08:22:36,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-07 08:22:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 3108 transitions. [2018-11-07 08:22:36,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-07 08:22:36,631 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:22:36,632 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:22:36,632 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:22:36,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:36,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1644210928, now seen corresponding path program 1 times [2018-11-07 08:22:36,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:22:36,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:36,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:22:36,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:36,634 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:22:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:22:37,199 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:37,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:22:37,199 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:22:37,199 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 245 with the following transitions: [2018-11-07 08:22:37,200 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:22:37,207 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:22:37,207 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:22:37,544 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:22:37,545 INFO L272 AbstractInterpreter]: Visited 135 different actions 268 times. Merged at 7 different actions 10 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 08:22:37,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:37,582 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:22:37,582 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:22:37,583 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 08:22:37,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:22:37,601 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:22:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:22:37,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:22:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:38,115 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:22:39,107 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:22:39,126 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 08:22:39,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-07 08:22:39,127 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 08:22:39,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 08:22:39,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 08:22:39,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-07 08:22:39,129 INFO L87 Difference]: Start difference. First operand 2321 states and 3108 transitions. Second operand 9 states. [2018-11-07 08:22:42,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:22:42,237 INFO L93 Difference]: Finished difference Result 6950 states and 10487 transitions. [2018-11-07 08:22:42,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-07 08:22:42,238 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 244 [2018-11-07 08:22:42,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:22:42,251 INFO L225 Difference]: With dead ends: 6950 [2018-11-07 08:22:42,251 INFO L226 Difference]: Without dead ends: 1803 [2018-11-07 08:22:42,312 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 491 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-07 08:22:42,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2018-11-07 08:22:42,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1637. [2018-11-07 08:22:42,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2018-11-07 08:22:42,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2042 transitions. [2018-11-07 08:22:42,371 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2042 transitions. Word has length 244 [2018-11-07 08:22:42,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:22:42,371 INFO L480 AbstractCegarLoop]: Abstraction has 1637 states and 2042 transitions. [2018-11-07 08:22:42,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 08:22:42,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2042 transitions. [2018-11-07 08:22:42,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-07 08:22:42,378 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:22:42,378 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2018-11-07 08:22:42,379 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:22:42,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:42,379 INFO L82 PathProgramCache]: Analyzing trace with hash 816060380, now seen corresponding path program 1 times [2018-11-07 08:22:42,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:22:42,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:42,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:22:42,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:42,380 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:22:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:22:42,633 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:22:42,885 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 62 proven. 91 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 08:22:42,886 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:22:42,886 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:22:42,886 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 255 with the following transitions: [2018-11-07 08:22:42,886 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:22:42,891 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:22:42,892 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:22:43,001 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 08:22:43,002 INFO L272 AbstractInterpreter]: Visited 125 different actions 125 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 08:22:43,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:43,049 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 08:22:43,412 INFO L227 lantSequenceWeakener]: Weakened 245 states. On average, predicates are now at 73.05% of their original sizes. [2018-11-07 08:22:43,412 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 08:22:43,663 INFO L415 sIntCurrentIteration]: We unified 253 AI predicates to 253 [2018-11-07 08:22:43,663 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 08:22:43,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 08:22:43,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-07 08:22:43,665 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:22:43,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 08:22:43,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 08:22:43,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 08:22:43,666 INFO L87 Difference]: Start difference. First operand 1637 states and 2042 transitions. Second operand 6 states. [2018-11-07 08:22:56,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:22:56,579 INFO L93 Difference]: Finished difference Result 2990 states and 3753 transitions. [2018-11-07 08:22:56,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 08:22:56,579 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 254 [2018-11-07 08:22:56,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:22:56,587 INFO L225 Difference]: With dead ends: 2990 [2018-11-07 08:22:56,587 INFO L226 Difference]: Without dead ends: 1639 [2018-11-07 08:22:56,589 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 254 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 08:22:56,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2018-11-07 08:22:56,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1637. [2018-11-07 08:22:56,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2018-11-07 08:22:56,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2031 transitions. [2018-11-07 08:22:56,638 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2031 transitions. Word has length 254 [2018-11-07 08:22:56,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:22:56,639 INFO L480 AbstractCegarLoop]: Abstraction has 1637 states and 2031 transitions. [2018-11-07 08:22:56,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 08:22:56,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2031 transitions. [2018-11-07 08:22:56,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-07 08:22:56,645 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:22:56,646 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:22:56,646 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:22:56,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:56,647 INFO L82 PathProgramCache]: Analyzing trace with hash 273286536, now seen corresponding path program 1 times [2018-11-07 08:22:56,647 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:22:56,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:56,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:22:56,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:22:56,648 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:22:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:22:56,964 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:22:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 63 proven. 46 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-07 08:22:57,423 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:22:57,423 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:22:57,423 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 281 with the following transitions: [2018-11-07 08:22:57,424 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:22:57,427 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:22:57,427 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:22:57,608 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 08:22:57,608 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 08:22:57,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:22:57,645 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 08:22:57,906 INFO L227 lantSequenceWeakener]: Weakened 277 states. On average, predicates are now at 77.93% of their original sizes. [2018-11-07 08:22:57,907 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 08:22:58,546 INFO L415 sIntCurrentIteration]: We unified 279 AI predicates to 279 [2018-11-07 08:22:58,546 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 08:22:58,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 08:22:58,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 08:22:58,546 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:22:58,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 08:22:58,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 08:22:58,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 08:22:58,547 INFO L87 Difference]: Start difference. First operand 1637 states and 2031 transitions. Second operand 10 states. [2018-11-07 08:23:15,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:23:15,850 INFO L93 Difference]: Finished difference Result 2944 states and 3704 transitions. [2018-11-07 08:23:15,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-07 08:23:15,850 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 280 [2018-11-07 08:23:15,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:23:15,856 INFO L225 Difference]: With dead ends: 2944 [2018-11-07 08:23:15,856 INFO L226 Difference]: Without dead ends: 1593 [2018-11-07 08:23:15,859 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 290 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-07 08:23:15,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2018-11-07 08:23:15,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1532. [2018-11-07 08:23:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1532 states. [2018-11-07 08:23:15,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1752 transitions. [2018-11-07 08:23:15,896 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1752 transitions. Word has length 280 [2018-11-07 08:23:15,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:23:15,896 INFO L480 AbstractCegarLoop]: Abstraction has 1532 states and 1752 transitions. [2018-11-07 08:23:15,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 08:23:15,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1752 transitions. [2018-11-07 08:23:15,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2018-11-07 08:23:15,904 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:23:15,904 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 08:23:15,905 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:23:15,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:23:15,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1129393588, now seen corresponding path program 1 times [2018-11-07 08:23:15,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:23:15,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:15,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:23:15,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:23:15,907 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:23:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:23:16,989 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 285 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:23:16,989 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:23:16,989 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:23:16,990 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 353 with the following transitions: [2018-11-07 08:23:16,990 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:23:16,993 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:23:16,993 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:23:17,281 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:23:17,282 INFO L272 AbstractInterpreter]: Visited 130 different actions 388 times. Merged at 8 different actions 22 times. Never widened. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 08:23:17,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:23:17,290 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:23:17,290 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:23:17,290 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 08:23:17,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:23:17,304 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:23:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:23:17,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:23:24,730 WARN L179 SmtUtils]: Spent 7.01 s on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2018-11-07 08:23:25,170 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 331 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-07 08:23:25,170 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:23:25,633 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-07 08:23:25,755 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-07 08:23:26,416 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:26,547 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-11-07 08:23:26,782 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2018-11-07 08:23:26,787 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:26,836 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:26,884 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:26,941 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:27,009 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:27,057 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:27,211 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:27,373 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:27,422 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:27,475 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:27,601 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:27,688 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:27,755 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:27,806 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:27,858 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:27,912 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:27,965 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:28,042 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:28,092 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:28,144 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:28,196 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:28,247 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:28,320 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:28,387 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:28,449 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:28,498 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:28,559 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:28,620 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:28,697 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:28,824 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:28,920 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:29,356 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:29,541 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:29,966 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:30,189 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:30,246 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:30,293 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:30,342 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:30,390 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:30,440 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:30,487 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:30,677 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:30,730 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:30,816 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:30,865 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:30,915 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:30,961 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,007 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,052 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,099 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,149 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,206 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,254 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,311 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,366 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,415 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,464 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,582 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,639 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,688 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,777 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,832 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:31,879 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:32,239 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:32,288 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:32,337 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:32,394 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:32,442 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:32,556 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:32,603 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:32,653 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:32,702 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:32,772 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:32,823 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:32,871 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:32,920 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:32,970 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:33,018 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:33,068 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:33,118 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:33,165 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:33,212 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:33,261 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:33,680 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:33,842 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:33,918 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:33,999 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:34,106 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:34,156 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:34,208 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:34,260 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:34,310 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:34,361 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:34,429 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:34,477 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:34,528 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:34,577 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:34,628 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:34,677 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:35,120 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:35,536 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:35,739 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:35,806 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:35,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:35,904 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:35,950 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:35,999 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:23:36,653 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 99 proven. 261 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 08:23:36,673 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 08:23:36,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 28 [2018-11-07 08:23:36,673 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 08:23:36,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-07 08:23:36,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-07 08:23:36,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2018-11-07 08:23:36,678 INFO L87 Difference]: Start difference. First operand 1532 states and 1752 transitions. Second operand 23 states. [2018-11-07 08:23:38,611 WARN L179 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2018-11-07 08:23:41,226 WARN L179 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2018-11-07 08:23:43,184 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2018-11-07 08:23:46,013 WARN L179 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2018-11-07 08:23:54,955 WARN L179 SmtUtils]: Spent 8.45 s on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-11-07 08:23:55,340 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2018-11-07 08:23:57,480 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2018-11-07 08:23:57,850 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 45 [2018-11-07 08:24:08,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:08,929 INFO L93 Difference]: Finished difference Result 6018 states and 7961 transitions. [2018-11-07 08:24:08,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-11-07 08:24:08,929 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 352 [2018-11-07 08:24:08,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:08,930 INFO L225 Difference]: With dead ends: 6018 [2018-11-07 08:24:08,930 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 08:24:08,951 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 857 GetRequests, 604 SyntacticMatches, 113 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9426 ImplicationChecksByTransitivity, 34.6s TimeCoverageRelationStatistics Valid=2939, Invalid=17083, Unknown=0, NotChecked=0, Total=20022 [2018-11-07 08:24:08,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 08:24:08,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 08:24:08,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 08:24:08,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 08:24:08,952 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 352 [2018-11-07 08:24:08,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:08,952 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 08:24:08,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-07 08:24:08,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 08:24:08,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 08:24:08,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 08:24:09,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,491 WARN L179 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 160 [2018-11-07 08:24:09,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:09,785 WARN L179 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 155 [2018-11-07 08:24:10,162 WARN L179 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 15 [2018-11-07 08:24:10,948 WARN L179 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2018-11-07 08:24:11,900 WARN L179 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 43 [2018-11-07 08:24:12,366 WARN L179 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 40 [2018-11-07 08:24:12,886 WARN L179 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 44 [2018-11-07 08:24:12,889 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 08:24:12,889 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-07 08:24:12,889 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 08:24:12,889 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 08:24:12,889 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,889 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,889 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,890 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,890 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,890 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,890 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 08:24:12,890 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 08:24:12,890 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 08:24:12,890 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 08:24:12,890 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 08:24:12,890 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 08:24:12,890 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 08:24:12,890 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 08:24:12,890 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 08:24:12,890 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 08:24:12,891 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 08:24:12,891 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,891 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,891 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,891 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,891 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,891 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 08:24:12,891 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 08:24:12,891 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 08:24:12,892 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 08:24:12,892 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 08:24:12,892 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 08:24:12,892 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 08:24:12,892 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 08:24:12,892 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 08:24:12,892 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 08:24:12,892 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 08:24:12,892 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 08:24:12,892 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 08:24:12,892 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 08:24:12,893 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,893 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,893 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,893 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,893 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,893 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 08:24:12,893 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 08:24:12,893 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 08:24:12,893 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 08:24:12,893 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 08:24:12,893 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 08:24:12,893 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 08:24:12,893 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 08:24:12,894 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 08:24:12,894 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 08:24:12,894 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,894 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,894 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,894 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,894 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,894 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 08:24:12,894 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 08:24:12,894 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 08:24:12,895 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 08:24:12,895 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 08:24:12,895 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 08:24:12,895 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 08:24:12,895 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 08:24:12,895 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 08:24:12,895 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 08:24:12,895 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 08:24:12,895 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 08:24:12,896 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 08:24:12,896 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,896 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,896 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,896 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,896 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,896 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 08:24:12,896 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 08:24:12,896 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 08:24:12,897 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 08:24:12,897 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 08:24:12,897 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 08:24:12,897 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 08:24:12,897 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 08:24:12,897 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 08:24:12,897 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,897 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,897 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,897 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,897 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,897 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,898 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,898 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 08:24:12,898 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 08:24:12,898 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 08:24:12,898 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 08:24:12,898 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 08:24:12,898 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 08:24:12,898 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 08:24:12,898 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 08:24:12,898 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 08:24:12,898 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2018-11-07 08:24:12,899 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 08:24:12,899 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 08:24:12,899 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 08:24:12,899 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 08:24:12,899 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,899 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,899 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,899 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,899 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,899 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 08:24:12,899 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,900 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 08:24:12,900 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 08:24:12,900 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 08:24:12,900 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 08:24:12,900 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 08:24:12,900 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 08:24:12,900 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 08:24:12,900 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 08:24:12,900 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 08:24:12,900 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 08:24:12,900 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 08:24:12,900 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 08:24:12,901 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 08:24:12,901 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,901 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,901 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,901 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,901 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,901 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,901 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 08:24:12,901 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 08:24:12,901 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 08:24:12,902 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 08:24:12,902 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 08:24:12,902 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 08:24:12,902 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 08:24:12,902 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 08:24:12,902 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 08:24:12,902 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 08:24:12,902 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 08:24:12,903 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse7 (= |old(~a10~0)| ~a10~0)) (.cse5 (= ~a1~0 |old(~a1~0)|))) (let ((.cse2 (< 2 |old(~a10~0)|)) (.cse8 (= 6 |old(~a19~0)|)) (.cse9 (< 8 |old(~a19~0)|)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= 0 ~a12~0))) (.cse3 (and .cse6 .cse7 .cse5)) (.cse4 (= 1 |old(~a10~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 .cse7) .cse0 .cse1 (not (= 9 |old(~a19~0)|)) (= |calculate_output_#in~input| 0)) (or .cse3 .cse0 .cse1 .cse8 .cse2) (or .cse9 .cse0 .cse1 .cse8 .cse3) (or .cse9 .cse0 .cse1 .cse3 (< 33 |old(~a1~0)|) .cse4)))) [2018-11-07 08:24:12,903 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 08:24:12,903 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 08:24:12,903 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 08:24:12,903 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,903 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,903 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,903 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,903 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,904 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,904 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 08:24:12,904 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 08:24:12,904 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 08:24:12,904 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 08:24:12,904 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 08:24:12,904 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 08:24:12,904 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 08:24:12,904 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 08:24:12,904 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 08:24:12,905 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 08:24:12,905 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 08:24:12,905 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 08:24:12,905 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 08:24:12,905 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,905 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,905 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,905 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,905 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,905 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,906 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 08:24:12,906 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 08:24:12,906 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 08:24:12,906 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 08:24:12,906 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 08:24:12,906 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 08:24:12,906 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 08:24:12,906 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 08:24:12,906 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 08:24:12,906 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 08:24:12,907 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 08:24:12,907 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 08:24:12,907 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,907 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,907 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,907 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,907 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,907 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:12,907 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 08:24:12,907 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 08:24:12,908 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 08:24:12,908 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 08:24:12,908 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 08:24:12,908 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 08:24:12,908 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 08:24:12,908 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 08:24:12,908 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 08:24:12,908 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 08:24:12,908 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 08:24:12,909 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 08:24:12,909 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 08:24:12,909 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14) (= 9 ~a19~0)) [2018-11-07 08:24:12,909 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 08:24:12,909 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 08:24:12,909 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-07 08:24:12,909 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 08:24:12,910 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 8)) (.cse2 (not (= ~a10~0 1))) (.cse0 (not (= ~a19~0 6))) (.cse3 (<= ~a10~0 2))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and .cse1 (<= ~a1~0 33) .cse2) (not (= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and .cse3 .cse2) (and .cse0 .cse3) (and (not (= main_~input~0 0)) (= 9 ~a19~0)))) [2018-11-07 08:24:12,910 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 08:24:12,910 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 08:24:12,910 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 08:24:12,910 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 8)) (.cse2 (not (= ~a10~0 1))) (.cse0 (not (= ~a19~0 6))) (.cse3 (<= ~a10~0 2))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and .cse1 (<= ~a1~0 33) .cse2) (not (= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (= 9 ~a19~0) (and .cse3 .cse2) (and .cse0 .cse3))) [2018-11-07 08:24:12,910 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 08:24:12,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:24:12 BoogieIcfgContainer [2018-11-07 08:24:12,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 08:24:12,924 INFO L168 Benchmark]: Toolchain (without parser) took 126109.97 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -253.2 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-07 08:24:12,925 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 08:24:12,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:12,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.14 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -813.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:12,927 INFO L168 Benchmark]: Boogie Preprocessor took 130.27 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 08:24:12,928 INFO L168 Benchmark]: RCFGBuilder took 3368.09 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: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:12,928 INFO L168 Benchmark]: TraceAbstraction took 121785.12 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 424.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-11-07 08:24:12,933 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 693.73 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 127.14 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -813.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.27 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 3368.09 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: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 121785.12 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 424.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((!(23 == \old(a1)) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || !(0 == \old(a10))) || ((a19 <= 8 && a1 <= 33) && !(a10 == 1))) || !(9 == \old(a19))) || !(14 == a4)) || 9 == a19) || (a10 <= 2 && !(a10 == 1))) || (!(a19 == 6) && a10 <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 121.6s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 84.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 731 SDtfs, 18478 SDslu, 1587 SDs, 0 SdLazy, 20727 SolverSat, 5563 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2457 GetRequests, 2091 SyntacticMatches, 121 SemanticMatches, 245 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10228 ImplicationChecksByTransitivity, 42.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2321occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.4s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9974100724819437 AbsIntWeakeningRatio, 0.09774436090225563 AbsIntAvgWeakeningVarsNumRemoved, 14.424812030075188 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 573 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 155 PreInvPairs, 337 NumberOfFragments, 316 HoareAnnotationTreeSize, 155 FomulaSimplifications, 31856 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13478 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 27.0s InterpolantComputationTime, 2545 NumberOfCodeBlocks, 2545 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3356 ConstructedInterpolants, 126 QuantifiedInterpolants, 8116557 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1384 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 1826/2318 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...