java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 12:16:36,945 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 12:16:36,947 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 12:16:36,960 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 12:16:36,960 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 12:16:36,961 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 12:16:36,962 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 12:16:36,964 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 12:16:36,966 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 12:16:36,966 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 12:16:36,967 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 12:16:36,968 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 12:16:36,969 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 12:16:36,970 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 12:16:36,971 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 12:16:36,972 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 12:16:36,973 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 12:16:36,974 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 12:16:36,976 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 12:16:36,978 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 12:16:36,979 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 12:16:36,981 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 12:16:36,986 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 12:16:36,987 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 12:16:36,989 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 12:16:36,990 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 12:16:36,991 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 12:16:36,991 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 12:16:36,992 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 12:16:36,996 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 12:16:36,996 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 12:16:36,997 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 12:16:36,997 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 12:16:36,997 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 12:16:36,998 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 12:16:37,000 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 12:16:37,000 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-10-27 12:16:37,017 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 12:16:37,018 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 12:16:37,018 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 12:16:37,019 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 12:16:37,019 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 12:16:37,019 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 12:16:37,019 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 12:16:37,019 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 12:16:37,020 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 12:16:37,020 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 12:16:37,020 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 12:16:37,020 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 12:16:37,021 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 12:16:37,021 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 12:16:37,021 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 12:16:37,022 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 12:16:37,023 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 12:16:37,023 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 12:16:37,023 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 12:16:37,024 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 12:16:37,024 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 12:16:37,024 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 12:16:37,024 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 12:16:37,024 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 12:16:37,025 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 12:16:37,025 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 12:16:37,025 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 12:16:37,025 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 12:16:37,026 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 12:16:37,026 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 12:16:37,026 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 12:16:37,026 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 12:16:37,026 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 12:16:37,027 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 12:16:37,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 12:16:37,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 12:16:37,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 12:16:37,103 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 12:16:37,103 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 12:16:37,105 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c [2018-10-27 12:16:37,170 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0e163c9d2/948d5f99923a405f8510bc31abc84d7c/FLAG346d477fc [2018-10-27 12:16:37,754 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 12:16:37,756 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c [2018-10-27 12:16:37,771 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0e163c9d2/948d5f99923a405f8510bc31abc84d7c/FLAG346d477fc [2018-10-27 12:16:37,791 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0e163c9d2/948d5f99923a405f8510bc31abc84d7c [2018-10-27 12:16:37,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 12:16:37,808 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 12:16:37,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 12:16:37,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 12:16:37,815 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 12:16:37,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:16:37" (1/1) ... [2018-10-27 12:16:37,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68109397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:37, skipping insertion in model container [2018-10-27 12:16:37,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:16:37" (1/1) ... [2018-10-27 12:16:37,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 12:16:37,908 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 12:16:38,370 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 12:16:38,374 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 12:16:38,499 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 12:16:38,518 INFO L193 MainTranslator]: Completed translation [2018-10-27 12:16:38,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38 WrapperNode [2018-10-27 12:16:38,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 12:16:38,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 12:16:38,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 12:16:38,520 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 12:16:38,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 12:16:38,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 12:16:38,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 12:16:38,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 12:16:38,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 12:16:38,711 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 12:16:38,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 12:16:38,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 12:16:38,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 12:16:38,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 12:16:38,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 12:16:38,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 12:16:38,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 12:16:38,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 12:16:38,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 12:16:38,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 12:16:38,810 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 12:16:38,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 12:16:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 12:16:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 12:16:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 12:16:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 12:16:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 12:16:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 12:16:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 12:16:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 12:16:42,135 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 12:16:42,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:16:42 BoogieIcfgContainer [2018-10-27 12:16:42,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 12:16:42,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 12:16:42,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 12:16:42,141 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 12:16:42,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:16:37" (1/3) ... [2018-10-27 12:16:42,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b16a889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:16:42, skipping insertion in model container [2018-10-27 12:16:42,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (2/3) ... [2018-10-27 12:16:42,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b16a889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:16:42, skipping insertion in model container [2018-10-27 12:16:42,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:16:42" (3/3) ... [2018-10-27 12:16:42,146 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label13_true-unreach-call_false-termination.c [2018-10-27 12:16:42,156 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 12:16:42,166 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 12:16:42,185 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 12:16:42,224 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 12:16:42,224 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 12:16:42,225 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 12:16:42,225 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 12:16:42,225 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 12:16:42,225 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 12:16:42,226 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 12:16:42,226 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 12:16:42,253 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-27 12:16:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-27 12:16:42,269 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:16:42,270 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:16:42,273 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:16:42,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:16:42,280 INFO L82 PathProgramCache]: Analyzing trace with hash -122983760, now seen corresponding path program 1 times [2018-10-27 12:16:42,283 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:16:42,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:16:42,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:16:42,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:16:42,344 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:16:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:16:42,926 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 12:16:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:16:43,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:16:43,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 12:16:43,079 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:16:43,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 12:16:43,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 12:16:43,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:16:43,109 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-27 12:16:44,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:16:44,416 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-27 12:16:44,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 12:16:44,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2018-10-27 12:16:44,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:16:44,439 INFO L225 Difference]: With dead ends: 550 [2018-10-27 12:16:44,439 INFO L226 Difference]: Without dead ends: 340 [2018-10-27 12:16:44,446 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:16:44,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-27 12:16:44,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-27 12:16:44,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-27 12:16:44,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-10-27 12:16:44,525 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 130 [2018-10-27 12:16:44,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:16:44,526 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-10-27 12:16:44,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 12:16:44,527 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-10-27 12:16:44,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-27 12:16:44,533 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:16:44,533 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:16:44,534 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:16:44,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:16:44,534 INFO L82 PathProgramCache]: Analyzing trace with hash 804854183, now seen corresponding path program 1 times [2018-10-27 12:16:44,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:16:44,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:16:44,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:16:44,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:16:44,536 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:16:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:16:44,792 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:16:44,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:16:44,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 12:16:44,793 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:16:44,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 12:16:44,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 12:16:44,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 12:16:44,796 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-10-27 12:16:46,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:16:46,616 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-10-27 12:16:46,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 12:16:46,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2018-10-27 12:16:46,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:16:46,629 INFO L225 Difference]: With dead ends: 1079 [2018-10-27 12:16:46,629 INFO L226 Difference]: Without dead ends: 745 [2018-10-27 12:16:46,637 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 12:16:46,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-10-27 12:16:46,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-10-27 12:16:46,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-10-27 12:16:46,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-10-27 12:16:46,696 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 140 [2018-10-27 12:16:46,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:16:46,696 INFO L481 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-10-27 12:16:46,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 12:16:46,697 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-10-27 12:16:46,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-27 12:16:46,703 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:16:46,703 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:16:46,704 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:16:46,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:16:46,704 INFO L82 PathProgramCache]: Analyzing trace with hash 909139987, now seen corresponding path program 1 times [2018-10-27 12:16:46,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:16:46,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:16:46,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:16:46,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:16:46,706 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:16:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:16:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:16:46,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 12:16:46,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 12:16:46,923 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:16:46,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 12:16:46,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 12:16:46,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:16:46,924 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 3 states. [2018-10-27 12:16:48,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:16:48,806 INFO L93 Difference]: Finished difference Result 2097 states and 3420 transitions. [2018-10-27 12:16:48,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 12:16:48,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2018-10-27 12:16:48,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:16:48,825 INFO L225 Difference]: With dead ends: 2097 [2018-10-27 12:16:48,825 INFO L226 Difference]: Without dead ends: 1370 [2018-10-27 12:16:48,830 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 12:16:48,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2018-10-27 12:16:48,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1370. [2018-10-27 12:16:48,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1370 states. [2018-10-27 12:16:48,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 2084 transitions. [2018-10-27 12:16:48,914 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 2084 transitions. Word has length 150 [2018-10-27 12:16:48,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:16:48,916 INFO L481 AbstractCegarLoop]: Abstraction has 1370 states and 2084 transitions. [2018-10-27 12:16:48,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 12:16:48,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 2084 transitions. [2018-10-27 12:16:48,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-27 12:16:48,923 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:16:48,923 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:16:48,924 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:16:48,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:16:48,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1335659650, now seen corresponding path program 1 times [2018-10-27 12:16:48,927 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:16:48,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:16:48,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:16:48,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:16:48,930 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:16:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:16:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 12:16:49,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:16:49,107 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:16:49,108 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-10-27 12:16:49,110 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [677], [679], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 12:16:49,164 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:16:49,164 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:16:50,176 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:16:50,178 INFO L272 AbstractInterpreter]: Visited 134 different actions 199 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-27 12:16:50,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:16:50,221 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:16:50,875 INFO L227 lantSequenceWeakener]: Weakened 163 states. On average, predicates are now at 80.6% of their original sizes. [2018-10-27 12:16:50,875 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:16:51,290 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-10-27 12:16:51,290 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:16:51,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:16:51,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-10-27 12:16:51,292 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:16:51,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 12:16:51,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 12:16:51,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-10-27 12:16:51,293 INFO L87 Difference]: Start difference. First operand 1370 states and 2084 transitions. Second operand 11 states. [2018-10-27 12:17:06,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:17:06,019 INFO L93 Difference]: Finished difference Result 3926 states and 6035 transitions. [2018-10-27 12:17:06,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-27 12:17:06,019 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 166 [2018-10-27 12:17:06,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:17:06,034 INFO L225 Difference]: With dead ends: 3926 [2018-10-27 12:17:06,034 INFO L226 Difference]: Without dead ends: 2562 [2018-10-27 12:17:06,041 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 176 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2018-10-27 12:17:06,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2562 states. [2018-10-27 12:17:06,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2562 to 2529. [2018-10-27 12:17:06,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2529 states. [2018-10-27 12:17:06,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 3367 transitions. [2018-10-27 12:17:06,114 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 3367 transitions. Word has length 166 [2018-10-27 12:17:06,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:17:06,114 INFO L481 AbstractCegarLoop]: Abstraction has 2529 states and 3367 transitions. [2018-10-27 12:17:06,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 12:17:06,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 3367 transitions. [2018-10-27 12:17:06,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-27 12:17:06,123 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:17:06,123 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:17:06,124 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:17:06,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:17:06,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1402517913, now seen corresponding path program 1 times [2018-10-27 12:17:06,124 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:17:06,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:17:06,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:17:06,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:17:06,126 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:17:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:17:06,437 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 12:17:06,437 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:17:06,437 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:17:06,438 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-10-27 12:17:06,438 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [677], [679], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 12:17:06,446 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:17:06,446 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:17:06,768 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:17:06,768 INFO L272 AbstractInterpreter]: Visited 135 different actions 202 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-27 12:17:06,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:17:06,776 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:17:07,405 INFO L227 lantSequenceWeakener]: Weakened 126 states. On average, predicates are now at 81.03% of their original sizes. [2018-10-27 12:17:07,406 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:17:08,419 INFO L415 sIntCurrentIteration]: We unified 178 AI predicates to 178 [2018-10-27 12:17:08,419 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:17:08,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:17:08,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [6] total 26 [2018-10-27 12:17:08,420 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:17:08,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-27 12:17:08,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-27 12:17:08,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2018-10-27 12:17:08,422 INFO L87 Difference]: Start difference. First operand 2529 states and 3367 transitions. Second operand 22 states. [2018-10-27 12:17:29,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:17:29,520 INFO L93 Difference]: Finished difference Result 5262 states and 7059 transitions. [2018-10-27 12:17:29,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-27 12:17:29,520 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 179 [2018-10-27 12:17:29,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:17:29,533 INFO L225 Difference]: With dead ends: 5262 [2018-10-27 12:17:29,534 INFO L226 Difference]: Without dead ends: 2739 [2018-10-27 12:17:29,542 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=282, Invalid=1200, Unknown=0, NotChecked=0, Total=1482 [2018-10-27 12:17:29,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2018-10-27 12:17:29,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2592. [2018-10-27 12:17:29,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2592 states. [2018-10-27 12:17:29,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2592 states and 3437 transitions. [2018-10-27 12:17:29,611 INFO L78 Accepts]: Start accepts. Automaton has 2592 states and 3437 transitions. Word has length 179 [2018-10-27 12:17:29,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:17:29,611 INFO L481 AbstractCegarLoop]: Abstraction has 2592 states and 3437 transitions. [2018-10-27 12:17:29,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-27 12:17:29,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 3437 transitions. [2018-10-27 12:17:29,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 12:17:29,620 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:17:29,620 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:17:29,621 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:17:29,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:17:29,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1225979526, now seen corresponding path program 1 times [2018-10-27 12:17:29,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:17:29,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:17:29,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:17:29,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:17:29,623 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:17:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:17:29,791 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-27 12:17:29,791 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:17:29,791 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:17:29,792 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-10-27 12:17:29,792 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [677], [679], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 12:17:29,797 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:17:29,797 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:17:30,275 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 12:17:30,275 INFO L272 AbstractInterpreter]: Visited 136 different actions 344 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-27 12:17:30,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:17:30,287 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 12:17:30,594 INFO L227 lantSequenceWeakener]: Weakened 188 states. On average, predicates are now at 80.58% of their original sizes. [2018-10-27 12:17:30,595 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 12:17:30,705 INFO L415 sIntCurrentIteration]: We unified 190 AI predicates to 190 [2018-10-27 12:17:30,706 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 12:17:30,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 12:17:30,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-10-27 12:17:30,706 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 12:17:30,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 12:17:30,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 12:17:30,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-27 12:17:30,707 INFO L87 Difference]: Start difference. First operand 2592 states and 3437 transitions. Second operand 10 states. [2018-10-27 12:17:36,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:17:36,501 INFO L93 Difference]: Finished difference Result 5145 states and 6885 transitions. [2018-10-27 12:17:36,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-27 12:17:36,501 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 191 [2018-10-27 12:17:36,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:17:36,512 INFO L225 Difference]: With dead ends: 5145 [2018-10-27 12:17:36,512 INFO L226 Difference]: Without dead ends: 2758 [2018-10-27 12:17:36,519 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 198 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-10-27 12:17:36,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2758 states. [2018-10-27 12:17:36,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2758 to 2737. [2018-10-27 12:17:36,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2737 states. [2018-10-27 12:17:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3613 transitions. [2018-10-27 12:17:36,584 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3613 transitions. Word has length 191 [2018-10-27 12:17:36,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:17:36,584 INFO L481 AbstractCegarLoop]: Abstraction has 2737 states and 3613 transitions. [2018-10-27 12:17:36,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 12:17:36,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3613 transitions. [2018-10-27 12:17:36,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-27 12:17:36,593 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 12:17:36,593 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 12:17:36,594 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 12:17:36,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:17:36,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1225661207, now seen corresponding path program 1 times [2018-10-27 12:17:36,594 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 12:17:36,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:17:36,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:17:36,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 12:17:36,595 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 12:17:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:17:36,703 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 88 proven. 20 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-27 12:17:36,703 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:17:36,704 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 12:17:36,704 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-10-27 12:17:36,704 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [677], [679], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 12:17:36,708 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 12:17:36,708 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 12:17:37,808 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 12:17:37,808 INFO L272 AbstractInterpreter]: Visited 138 different actions 631 times. Merged at 10 different actions 50 times. Widened at 1 different actions 1 times. Found 12 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-27 12:17:37,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 12:17:37,817 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 12:17:37,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 12:17:37,817 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 12:17:37,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 12:17:37,827 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 12:17:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 12:17:37,960 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 12:17:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-10-27 12:17:38,265 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 12:17:38,591 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-27 12:17:39,199 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 88 proven. 20 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-27 12:17:39,223 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 12:17:39,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-10-27 12:17:39,224 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 12:17:39,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 12:17:39,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 12:17:39,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-27 12:17:39,227 INFO L87 Difference]: Start difference. First operand 2737 states and 3613 transitions. Second operand 8 states. [2018-10-27 12:17:39,586 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 12:17:44,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 12:17:44,446 INFO L93 Difference]: Finished difference Result 6478 states and 8729 transitions. [2018-10-27 12:17:44,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-27 12:17:44,447 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 211 [2018-10-27 12:17:44,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 12:17:44,447 INFO L225 Difference]: With dead ends: 6478 [2018-10-27 12:17:44,447 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 12:17:44,477 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-10-27 12:17:44,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 12:17:44,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 12:17:44,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 12:17:44,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 12:17:44,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2018-10-27 12:17:44,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 12:17:44,478 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 12:17:44,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 12:17:44,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 12:17:44,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 12:17:44,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 12:17:44,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:17:44,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:17:44,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:17:44,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:17:44,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:17:44,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:17:44,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:17:44,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:17:44,837 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 149 [2018-10-27 12:17:44,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:17:44,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:17:44,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:17:44,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:17:44,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:17:44,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 12:17:44,974 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 146 [2018-10-27 12:17:45,583 WARN L179 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2018-10-27 12:17:45,931 WARN L179 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2018-10-27 12:17:48,453 WARN L179 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 245 DAG size of output: 157 [2018-10-27 12:17:48,885 WARN L179 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 82 [2018-10-27 12:17:49,151 WARN L179 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 82 [2018-10-27 12:17:49,154 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 12:17:49,155 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0)) [2018-10-27 12:17:49,155 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 12:17:49,155 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-27 12:17:49,155 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-27 12:17:49,155 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,155 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,156 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,156 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,156 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,156 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,156 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-27 12:17:49,156 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-27 12:17:49,156 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-27 12:17:49,156 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-27 12:17:49,157 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-27 12:17:49,157 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-27 12:17:49,157 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-27 12:17:49,157 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-27 12:17:49,157 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-27 12:17:49,157 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-27 12:17:49,157 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,158 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,158 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,158 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,158 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,158 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,158 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-27 12:17:49,158 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-27 12:17:49,158 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-27 12:17:49,159 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-27 12:17:49,159 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-27 12:17:49,159 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-27 12:17:49,159 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-27 12:17:49,159 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-27 12:17:49,159 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-27 12:17:49,159 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-27 12:17:49,159 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-27 12:17:49,160 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-27 12:17:49,160 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-27 12:17:49,160 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-27 12:17:49,160 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-10-27 12:17:49,160 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,160 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,160 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,160 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,161 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,161 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-27 12:17:49,161 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-27 12:17:49,161 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-27 12:17:49,161 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-27 12:17:49,161 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-27 12:17:49,161 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-27 12:17:49,161 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-27 12:17:49,161 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-27 12:17:49,161 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-27 12:17:49,162 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,162 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,162 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,162 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,162 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,162 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-27 12:17:49,162 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-27 12:17:49,162 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-27 12:17:49,162 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-27 12:17:49,162 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-27 12:17:49,162 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-27 12:17:49,163 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-27 12:17:49,163 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-27 12:17:49,163 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-27 12:17:49,163 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-27 12:17:49,163 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-27 12:17:49,163 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-27 12:17:49,163 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-27 12:17:49,163 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,164 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,164 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,164 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,164 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,164 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-27 12:17:49,164 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-27 12:17:49,164 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-27 12:17:49,164 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-27 12:17:49,164 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-27 12:17:49,164 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-27 12:17:49,164 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-27 12:17:49,164 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-27 12:17:49,165 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2018-10-27 12:17:49,165 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-27 12:17:49,165 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,165 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,165 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,165 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,165 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,165 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,165 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-27 12:17:49,165 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,165 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,166 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,167 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,167 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,167 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-27 12:17:49,167 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-27 12:17:49,167 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-27 12:17:49,167 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-27 12:17:49,167 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-27 12:17:49,167 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-27 12:17:49,167 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-27 12:17:49,167 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-27 12:17:49,167 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,167 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,167 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,167 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,168 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,168 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-27 12:17:49,168 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-27 12:17:49,168 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-27 12:17:49,168 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-27 12:17:49,168 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-27 12:17:49,168 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-27 12:17:49,168 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-27 12:17:49,168 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-27 12:17:49,168 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-27 12:17:49,168 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-27 12:17:49,169 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse15 (= 1 |old(~a7~0)|)) (.cse22 (<= ~a16~0 5)) (.cse23 (= ~a17~0 1)) (.cse24 (= ~a21~0 1)) (.cse25 (<= 4 ~a16~0)) (.cse26 (= ~a20~0 1)) (.cse16 (= |old(~a8~0)| ~a8~0))) (let ((.cse2 (< 13 |old(~a8~0)|)) (.cse13 (= ~a16~0 5)) (.cse14 (not (= 0 |old(~a7~0)|))) (.cse17 (= 6 |old(~a16~0)|)) (.cse19 (and (= 1 ~a7~0) .cse16)) (.cse3 (and .cse22 .cse23 .cse24 .cse25 .cse26)) (.cse18 (not .cse15)) (.cse21 (= 13 |old(~a8~0)|)) (.cse0 (< 6 |calculate_output_#in~input|)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse20 (< 15 |old(~a8~0)|)) (.cse4 (not (= 8 ~a12~0))) (.cse5 (not (= 1 |old(~a17~0)|))) (.cse6 (not (= 1 |old(~a20~0)|))) (.cse7 (< 5 |old(~a16~0)|)) (.cse8 (< |old(~a16~0)| 4)) (.cse9 (< 1 |old(~a7~0)|)) (.cse10 (< |old(~a8~0)| 13)) (.cse11 (< |old(~a7~0)| 0)) (.cse12 (< |calculate_output_#in~input| 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (or (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) .cse13 (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) .cse12 .cse14 .cse0 (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))) (or .cse15 (and (= ~a7~0 |old(~a7~0)|) .cse16)) (or .cse17 (not (= ~a16~0 6))) (or .cse2 .cse18 .cse19) (or .cse0 (and (= ~a20~0 0) .cse13) (or .cse14 .cse1 (not (= 15 |old(~a8~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) .cse4 .cse5) .cse12) (or .cse17 .cse18 .cse19) (or .cse0 .cse1 .cse20 .cse4 .cse5 .cse6 .cse7 .cse8 .cse18 .cse10 .cse3 .cse12) (or (= ~a16~0 4) .cse0 (or .cse1 (not (= 4 |old(~a16~0)|)) (not .cse21)) .cse4 .cse5 .cse6 .cse18 .cse12) (or .cse0 .cse1 .cse20 .cse21 .cse4 (< 1 |old(~a20~0)|) (< |old(~a20~0)| 0) .cse5 .cse15 .cse7 .cse8 .cse9 (and .cse22 .cse23 .cse24 (<= 0 ~a20~0) .cse25 (<= ~a20~0 1)) .cse10 .cse11 .cse12) (or .cse0 .cse1 .cse20 .cse4 .cse5 .cse6 .cse7 .cse8 .cse26 .cse9 .cse10 .cse11 .cse12)))) [2018-10-27 12:17:49,169 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-27 12:17:49,169 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,169 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,169 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,169 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,169 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-27 12:17:49,169 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,169 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,170 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-27 12:17:49,170 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-27 12:17:49,170 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-27 12:17:49,170 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-27 12:17:49,170 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-27 12:17:49,170 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-27 12:17:49,170 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-27 12:17:49,170 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-27 12:17:49,170 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-27 12:17:49,171 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-27 12:17:49,171 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-27 12:17:49,171 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-27 12:17:49,171 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,171 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,171 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,171 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,171 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,171 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-27 12:17:49,171 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,171 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-27 12:17:49,171 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-27 12:17:49,171 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-27 12:17:49,171 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-27 12:17:49,172 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-27 12:17:49,172 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-27 12:17:49,172 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-27 12:17:49,172 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-27 12:17:49,172 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-27 12:17:49,172 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-27 12:17:49,172 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-27 12:17:49,172 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-27 12:17:49,172 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-27 12:17:49,172 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-27 12:17:49,172 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,172 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,173 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,173 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,173 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,173 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 12:17:49,173 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-27 12:17:49,173 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-27 12:17:49,173 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-27 12:17:49,173 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-27 12:17:49,173 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-27 12:17:49,173 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-27 12:17:49,174 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-27 12:17:49,174 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-27 12:17:49,174 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-27 12:17:49,174 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-27 12:17:49,174 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 12:17:49,174 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~a8~0 15) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-10-27 12:17:49,174 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 12:17:49,174 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 12:17:49,174 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (and (= ~a21~0 1) (= |old(~a8~0)| ~a8~0) (= ~a17~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-27 12:17:49,175 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-10-27 12:17:49,175 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (not (= ~a7~0 1)) (not (= ~a16~0 6)) (not (= ~v~0 22)) (<= ~a8~0 13) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-27 12:17:49,175 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-10-27 12:17:49,175 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-27 12:17:49,175 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-27 12:17:49,175 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (or (not (= ~a16~0 6)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= ~a7~0 1)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (<= ~a8~0 13) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))) [2018-10-27 12:17:49,175 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-10-27 12:17:49,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:17:49 BoogieIcfgContainer [2018-10-27 12:17:49,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 12:17:49,190 INFO L168 Benchmark]: Toolchain (without parser) took 71384.40 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-27 12:17:49,192 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 12:17:49,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.96 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-27 12:17:49,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.54 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -800.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-27 12:17:49,194 INFO L168 Benchmark]: Boogie Preprocessor took 99.24 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 12:17:49,194 INFO L168 Benchmark]: RCFGBuilder took 3326.58 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: 130.5 MB). Peak memory consumption was 130.5 MB. Max. memory is 7.1 GB. [2018-10-27 12:17:49,195 INFO L168 Benchmark]: TraceAbstraction took 67051.87 ms. Allocated memory was 2.3 GB in the beginning and 3.7 GB in the end (delta: 1.5 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -171.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-27 12:17:49,200 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 707.96 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 190.54 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -800.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.24 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 3326.58 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: 130.5 MB). Peak memory consumption was 130.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 67051.87 ms. Allocated memory was 2.3 GB in the beginning and 3.7 GB in the end (delta: 1.5 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -171.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((((!(a16 == 6) || !(\old(a21) == 1)) || !(b == 2)) || !(y == 25)) || !(x == 24)) || !(a12 == 8)) || !(e == 5)) || !(d == 4)) || !(a7 == 1)) || !(21 == u)) || !(22 == v)) || a8 <= 13) || !(z == 26)) || !(\old(a16) == 5)) || !(0 == \old(a7))) || !(3 == c)) || !(\old(a20) == 1)) || !(23 == w)) || !(a == 1)) || !(\old(a17) == 1)) || !(\old(a8) == 15)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 66.9s OverallTime, 7 OverallIterations, 6 TraceHistogramMax, 52.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1020 SDtfs, 6032 SDslu, 1658 SDs, 0 SdLazy, 9355 SolverSat, 1666 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1054 GetRequests, 940 SyntacticMatches, 3 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2737occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.0s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9969030692938903 AbsIntWeakeningRatio, 0.23076923076923078 AbsIntAvgWeakeningVarsNumRemoved, 29.904315196998123 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 213 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 99 PreInvPairs, 167 NumberOfFragments, 819 HoareAnnotationTreeSize, 99 FomulaSimplifications, 7987 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3512 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1378 NumberOfCodeBlocks, 1378 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1580 ConstructedInterpolants, 0 QuantifiedInterpolants, 468719 SizeOfPredicates, 1 NumberOfNonLiveVariables, 650 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 753/826 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...