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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label31_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:49:15,047 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:49:15,050 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:49:15,067 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:49:15,067 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:49:15,068 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:49:15,070 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:49:15,073 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:49:15,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:49:15,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:49:15,079 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:49:15,080 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:49:15,081 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:49:15,082 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:49:15,090 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:49:15,093 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:49:15,094 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:49:15,099 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:49:15,101 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:49:15,102 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:49:15,103 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:49:15,105 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:49:15,107 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 21:49:15,107 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 21:49:15,107 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 21:49:15,108 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 21:49:15,109 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 21:49:15,110 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 21:49:15,111 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 21:49:15,112 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 21:49:15,112 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 21:49:15,113 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 21:49:15,113 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 21:49:15,113 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 21:49:15,114 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 21:49:15,115 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 21:49:15,115 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 21:49:15,130 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:49:15,130 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:49:15,131 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:49:15,132 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:49:15,132 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:49:15,132 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:49:15,132 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:49:15,132 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:49:15,133 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:49:15,133 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:49:15,133 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:49:15,133 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:49:15,134 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:49:15,134 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:49:15,134 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:49:15,134 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:49:15,135 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:49:15,135 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:49:15,135 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:49:15,135 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:49:15,135 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:49:15,136 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:49:15,136 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:49:15,136 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:49:15,136 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:49:15,137 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:49:15,137 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:49:15,137 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:49:15,137 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:49:15,137 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:49:15,138 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:49:15,138 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:49:15,138 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:49:15,138 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:49:15,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:49:15,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:49:15,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:49:15,202 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:49:15,203 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:49:15,203 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label31_true-unreach-call.c [2018-10-24 21:49:15,256 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b209307e6/f257afcdb1e6443ab0095e60e3fb9b95/FLAG344d65603 [2018-10-24 21:49:15,964 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:49:15,966 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label31_true-unreach-call.c [2018-10-24 21:49:15,988 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b209307e6/f257afcdb1e6443ab0095e60e3fb9b95/FLAG344d65603 [2018-10-24 21:49:16,006 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b209307e6/f257afcdb1e6443ab0095e60e3fb9b95 [2018-10-24 21:49:16,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:49:16,020 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:49:16,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:49:16,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:49:16,029 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:49:16,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:49:16" (1/1) ... [2018-10-24 21:49:16,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd4f84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:16, skipping insertion in model container [2018-10-24 21:49:16,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:49:16" (1/1) ... [2018-10-24 21:49:16,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:49:16,138 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:49:17,006 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:49:17,011 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:49:17,293 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:49:17,313 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:49:17,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:17 WrapperNode [2018-10-24 21:49:17,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:49:17,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:49:17,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:49:17,316 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:49:17,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:17" (1/1) ... [2018-10-24 21:49:17,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:17" (1/1) ... [2018-10-24 21:49:17,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:49:17,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:49:17,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:49:17,693 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:49:17,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:17" (1/1) ... [2018-10-24 21:49:17,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:17" (1/1) ... [2018-10-24 21:49:17,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:17" (1/1) ... [2018-10-24 21:49:17,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:17" (1/1) ... [2018-10-24 21:49:17,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:17" (1/1) ... [2018-10-24 21:49:17,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:17" (1/1) ... [2018-10-24 21:49:17,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:17" (1/1) ... [2018-10-24 21:49:17,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:49:17,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:49:17,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:49:17,880 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:49:17,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:49:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:49:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:49:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 21:49:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 21:49:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:49:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:49:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:49:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:49:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:49:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:49:25,120 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:49:25,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:49:25 BoogieIcfgContainer [2018-10-24 21:49:25,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:49:25,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:49:25,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:49:25,129 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:49:25,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:49:16" (1/3) ... [2018-10-24 21:49:25,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b59c884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:49:25, skipping insertion in model container [2018-10-24 21:49:25,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:17" (2/3) ... [2018-10-24 21:49:25,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b59c884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:49:25, skipping insertion in model container [2018-10-24 21:49:25,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:49:25" (3/3) ... [2018-10-24 21:49:25,133 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label31_true-unreach-call.c [2018-10-24 21:49:25,144 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:49:25,152 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:49:25,171 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:49:25,212 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:49:25,212 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:49:25,212 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:49:25,212 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:49:25,213 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:49:25,213 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:49:25,213 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:49:25,213 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:49:25,246 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-24 21:49:25,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-24 21:49:25,258 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:25,259 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] [2018-10-24 21:49:25,262 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:25,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:25,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1590942004, now seen corresponding path program 1 times [2018-10-24 21:49:25,270 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:25,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:25,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:25,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:25,324 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:25,832 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-10-24 21:49:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:49:25,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:49:25,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:49:25,861 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:49:25,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:49:25,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:49:25,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:49:25,888 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-10-24 21:49:33,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:49:33,508 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-10-24 21:49:33,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:49:33,512 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2018-10-24 21:49:33,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:49:33,545 INFO L225 Difference]: With dead ends: 1558 [2018-10-24 21:49:33,545 INFO L226 Difference]: Without dead ends: 1114 [2018-10-24 21:49:33,556 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:49:33,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-10-24 21:49:33,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 759. [2018-10-24 21:49:33,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2018-10-24 21:49:33,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1355 transitions. [2018-10-24 21:49:33,674 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1355 transitions. Word has length 72 [2018-10-24 21:49:33,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:49:33,675 INFO L481 AbstractCegarLoop]: Abstraction has 759 states and 1355 transitions. [2018-10-24 21:49:33,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:49:33,676 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1355 transitions. [2018-10-24 21:49:33,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-24 21:49:33,685 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:33,686 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:49:33,686 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:33,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:33,687 INFO L82 PathProgramCache]: Analyzing trace with hash 783939575, now seen corresponding path program 1 times [2018-10-24 21:49:33,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:33,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:33,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:33,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:33,689 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:33,944 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:49:33,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:49:33,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:49:33,945 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:49:33,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:49:33,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:49:33,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:49:33,948 INFO L87 Difference]: Start difference. First operand 759 states and 1355 transitions. Second operand 4 states. [2018-10-24 21:49:39,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:49:39,968 INFO L93 Difference]: Finished difference Result 2755 states and 5131 transitions. [2018-10-24 21:49:39,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:49:39,972 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2018-10-24 21:49:39,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:49:39,991 INFO L225 Difference]: With dead ends: 2755 [2018-10-24 21:49:39,992 INFO L226 Difference]: Without dead ends: 2002 [2018-10-24 21:49:40,000 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:49:40,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2018-10-24 21:49:40,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1999. [2018-10-24 21:49:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1999 states. [2018-10-24 21:49:40,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 3228 transitions. [2018-10-24 21:49:40,094 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 3228 transitions. Word has length 142 [2018-10-24 21:49:40,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:49:40,095 INFO L481 AbstractCegarLoop]: Abstraction has 1999 states and 3228 transitions. [2018-10-24 21:49:40,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:49:40,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 3228 transitions. [2018-10-24 21:49:40,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-24 21:49:40,104 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:40,105 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:49:40,105 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:40,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:40,105 INFO L82 PathProgramCache]: Analyzing trace with hash -516926077, now seen corresponding path program 1 times [2018-10-24 21:49:40,106 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:40,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:40,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:40,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:40,107 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:49:40,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:49:40,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:49:40,389 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:49:40,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:49:40,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:49:40,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:49:40,393 INFO L87 Difference]: Start difference. First operand 1999 states and 3228 transitions. Second operand 5 states. [2018-10-24 21:49:51,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:49:51,439 INFO L93 Difference]: Finished difference Result 5997 states and 9873 transitions. [2018-10-24 21:49:51,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:49:51,440 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 189 [2018-10-24 21:49:51,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:49:51,470 INFO L225 Difference]: With dead ends: 5997 [2018-10-24 21:49:51,470 INFO L226 Difference]: Without dead ends: 4004 [2018-10-24 21:49:51,484 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:49:51,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4004 states. [2018-10-24 21:49:51,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4004 to 3960. [2018-10-24 21:49:51,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3960 states. [2018-10-24 21:49:51,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3960 states to 3960 states and 5739 transitions. [2018-10-24 21:49:51,616 INFO L78 Accepts]: Start accepts. Automaton has 3960 states and 5739 transitions. Word has length 189 [2018-10-24 21:49:51,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:49:51,617 INFO L481 AbstractCegarLoop]: Abstraction has 3960 states and 5739 transitions. [2018-10-24 21:49:51,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:49:51,617 INFO L276 IsEmpty]: Start isEmpty. Operand 3960 states and 5739 transitions. [2018-10-24 21:49:51,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2018-10-24 21:49:51,635 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:51,635 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:49:51,636 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:51,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:51,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1415360072, now seen corresponding path program 1 times [2018-10-24 21:49:51,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:51,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:51,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:51,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:51,638 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:52,800 WARN L179 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2018-10-24 21:49:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 334 proven. 98 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-24 21:49:53,287 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:49:53,288 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:49:53,289 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 454 with the following transitions: [2018-10-24 21:49:53,291 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [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], [549], [551], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1209], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 21:49:53,396 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:49:53,396 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:49:58,777 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:49:59,218 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:49:59,220 INFO L272 AbstractInterpreter]: Visited 207 different actions 207 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 21:49:59,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:59,264 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:50:03,477 INFO L232 lantSequenceWeakener]: Weakened 442 states. On average, predicates are now at 77.89% of their original sizes. [2018-10-24 21:50:03,479 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:50:04,118 INFO L413 sIntCurrentIteration]: We have 452 unified AI predicates [2018-10-24 21:50:04,119 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:50:04,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:50:04,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2018-10-24 21:50:04,120 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:50:04,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 21:50:04,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 21:50:04,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:50:04,122 INFO L87 Difference]: Start difference. First operand 3960 states and 5739 transitions. Second operand 8 states. [2018-10-24 21:51:20,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:51:20,135 INFO L93 Difference]: Finished difference Result 8224 states and 11810 transitions. [2018-10-24 21:51:20,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:51:20,135 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 453 [2018-10-24 21:51:20,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:51:20,157 INFO L225 Difference]: With dead ends: 8224 [2018-10-24 21:51:20,157 INFO L226 Difference]: Without dead ends: 4270 [2018-10-24 21:51:20,173 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 454 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 21:51:20,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4270 states. [2018-10-24 21:51:20,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4270 to 4268. [2018-10-24 21:51:20,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4268 states. [2018-10-24 21:51:20,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4268 states to 4268 states and 6056 transitions. [2018-10-24 21:51:20,282 INFO L78 Accepts]: Start accepts. Automaton has 4268 states and 6056 transitions. Word has length 453 [2018-10-24 21:51:20,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:51:20,283 INFO L481 AbstractCegarLoop]: Abstraction has 4268 states and 6056 transitions. [2018-10-24 21:51:20,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 21:51:20,283 INFO L276 IsEmpty]: Start isEmpty. Operand 4268 states and 6056 transitions. [2018-10-24 21:51:20,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2018-10-24 21:51:20,304 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:51:20,305 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:51:20,305 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:51:20,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:51:20,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1738424593, now seen corresponding path program 1 times [2018-10-24 21:51:20,306 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:51:20,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:51:20,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:51:20,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:51:20,308 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:51:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:51:20,991 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-10-24 21:51:20,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:51:20,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:51:20,992 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:51:20,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:51:20,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:51:20,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:51:20,994 INFO L87 Difference]: Start difference. First operand 4268 states and 6056 transitions. Second operand 4 states. [2018-10-24 21:51:25,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:51:25,900 INFO L93 Difference]: Finished difference Result 15401 states and 22706 transitions. [2018-10-24 21:51:25,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:51:25,901 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 527 [2018-10-24 21:51:25,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:51:25,943 INFO L225 Difference]: With dead ends: 15401 [2018-10-24 21:51:25,943 INFO L226 Difference]: Without dead ends: 7672 [2018-10-24 21:51:26,002 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:51:26,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7672 states. [2018-10-24 21:51:26,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7672 to 7670. [2018-10-24 21:51:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7670 states. [2018-10-24 21:51:26,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7670 states to 7670 states and 9641 transitions. [2018-10-24 21:51:26,209 INFO L78 Accepts]: Start accepts. Automaton has 7670 states and 9641 transitions. Word has length 527 [2018-10-24 21:51:26,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:51:26,210 INFO L481 AbstractCegarLoop]: Abstraction has 7670 states and 9641 transitions. [2018-10-24 21:51:26,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:51:26,210 INFO L276 IsEmpty]: Start isEmpty. Operand 7670 states and 9641 transitions. [2018-10-24 21:51:26,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2018-10-24 21:51:26,238 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:51:26,239 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:51:26,239 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:51:26,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:51:26,240 INFO L82 PathProgramCache]: Analyzing trace with hash -523466956, now seen corresponding path program 1 times [2018-10-24 21:51:26,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:51:26,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:51:26,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:51:26,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:51:26,241 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:51:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:51:26,889 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 284 proven. 85 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-24 21:51:26,889 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:51:26,889 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:51:26,890 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 536 with the following transitions: [2018-10-24 21:51:26,890 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [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], [549], [551], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [644], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [722], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 21:51:26,905 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:51:26,905 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:51:32,368 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:51:51,337 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:51:51,337 INFO L272 AbstractInterpreter]: Visited 284 different actions 839 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 21:51:51,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:51:51,344 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:51:57,379 INFO L232 lantSequenceWeakener]: Weakened 86 states. On average, predicates are now at 78.12% of their original sizes. [2018-10-24 21:51:57,379 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:52:38,614 INFO L413 sIntCurrentIteration]: We have 534 unified AI predicates [2018-10-24 21:52:38,615 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:52:38,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:52:38,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [6] total 28 [2018-10-24 21:52:38,616 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:52:38,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-24 21:52:38,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-24 21:52:38,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2018-10-24 21:52:38,619 INFO L87 Difference]: Start difference. First operand 7670 states and 9641 transitions. Second operand 24 states. Received shutdown request... [2018-10-24 21:52:50,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 21:52:50,311 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:52:50,318 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:52:50,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:52:50 BoogieIcfgContainer [2018-10-24 21:52:50,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:52:50,319 INFO L168 Benchmark]: Toolchain (without parser) took 214300.58 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -985.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-24 21:52:50,321 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 21:52:50,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1291.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2018-10-24 21:52:50,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 377.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -878.9 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2018-10-24 21:52:50,324 INFO L168 Benchmark]: Boogie Preprocessor took 186.77 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2018-10-24 21:52:50,325 INFO L168 Benchmark]: RCFGBuilder took 7241.75 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 325.7 MB). Peak memory consumption was 325.7 MB. Max. memory is 7.1 GB. [2018-10-24 21:52:50,325 INFO L168 Benchmark]: TraceAbstraction took 205194.04 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.8 GB in the beginning and 2.4 GB in the end (delta: -551.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-24 21:52:50,331 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1291.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 377.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -878.9 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 186.77 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7241.75 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 325.7 MB). Peak memory consumption was 325.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205194.04 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.8 GB in the beginning and 2.4 GB in the end (delta: -551.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 202]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 202). Cancelled while BasicCegarLoop was constructing difference of abstraction (7670states) and FLOYD_HOARE automaton (currently 9 states, 24 states before enhancement),while ReachableStatesComputation was computing reachable states (25 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 205.1s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 117.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1752 SDtfs, 4323 SDslu, 1103 SDs, 0 SdLazy, 8444 SolverSat, 2066 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 72.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1018 GetRequests, 958 SyntacticMatches, 13 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 42.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7670occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 30.4s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.997348752094541 AbsIntWeakeningRatio, 0.06490872210953347 AbsIntAvgWeakeningVarsNumRemoved, 592.9685598377282 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 406 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1918 NumberOfCodeBlocks, 1918 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1912 ConstructedInterpolants, 0 QuantifiedInterpolants, 2698420 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 1328/1511 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown