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_label26_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:48:38,909 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:48:38,910 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:48:38,922 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:48:38,923 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:48:38,924 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:48:38,925 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:48:38,927 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:48:38,929 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:48:38,930 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:48:38,930 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:48:38,931 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:48:38,932 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:48:38,933 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:48:38,934 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:48:38,935 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:48:38,935 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:48:38,937 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:48:38,939 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:48:38,941 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:48:38,942 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:48:38,943 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:48:38,946 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 21:48:38,946 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 21:48:38,946 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 21:48:38,947 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 21:48:38,948 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 21:48:38,949 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 21:48:38,950 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 21:48:38,952 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 21:48:38,953 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 21:48:38,953 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 21:48:38,954 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 21:48:38,954 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 21:48:38,955 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 21:48:38,956 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 21:48:38,956 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 21:48:38,990 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:48:38,990 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:48:38,992 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:48:38,992 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:48:38,992 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:48:38,992 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:48:38,993 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:48:38,993 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:48:38,993 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:48:38,993 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:48:38,994 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:48:38,994 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:48:38,995 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:48:38,995 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:48:38,995 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:48:38,995 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:48:38,995 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:48:38,995 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:48:38,997 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:48:38,997 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:48:38,997 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:48:38,997 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:48:38,997 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:48:38,998 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:48:38,998 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:48:38,998 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:48:38,998 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:48:38,998 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:48:38,999 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:48:39,000 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:48:39,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:48:39,000 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:48:39,001 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:48:39,001 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:48:39,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:48:39,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:48:39,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:48:39,064 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:48:39,064 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:48:39,065 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c [2018-10-24 21:48:39,124 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/835b11c48/5ea516aa118b4fe7b42921e16085e870/FLAGb426789b6 [2018-10-24 21:48:39,853 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:48:39,854 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c [2018-10-24 21:48:39,876 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/835b11c48/5ea516aa118b4fe7b42921e16085e870/FLAGb426789b6 [2018-10-24 21:48:39,897 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/835b11c48/5ea516aa118b4fe7b42921e16085e870 [2018-10-24 21:48:39,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:48:39,912 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:48:39,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:48:39,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:48:39,916 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:48:39,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:48:39" (1/1) ... [2018-10-24 21:48:39,920 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 09:48:39, skipping insertion in model container [2018-10-24 21:48:39,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:48:39" (1/1) ... [2018-10-24 21:48:39,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:48:40,026 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:48:40,810 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:48:40,815 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:48:41,111 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:48:41,134 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:48:41,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:41 WrapperNode [2018-10-24 21:48:41,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:48:41,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:48:41,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:48:41,136 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:48:41,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:41" (1/1) ... [2018-10-24 21:48:41,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:41" (1/1) ... [2018-10-24 21:48:41,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:48:41,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:48:41,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:48:41,542 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:48:41,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:41" (1/1) ... [2018-10-24 21:48:41,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:41" (1/1) ... [2018-10-24 21:48:41,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:41" (1/1) ... [2018-10-24 21:48:41,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:41" (1/1) ... [2018-10-24 21:48:41,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:41" (1/1) ... [2018-10-24 21:48:41,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:41" (1/1) ... [2018-10-24 21:48:41,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:41" (1/1) ... [2018-10-24 21:48:41,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:48:41,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:48:41,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:48:41,779 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:48:41,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:41" (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 21:48:41,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:48:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:48:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 21:48:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 21:48:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:48:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:48:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:48:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:48:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:48:41,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:48:48,195 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:48:48,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:48:48 BoogieIcfgContainer [2018-10-24 21:48:48,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:48:48,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:48:48,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:48:48,201 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:48:48,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:48:39" (1/3) ... [2018-10-24 21:48:48,202 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 09:48:48, skipping insertion in model container [2018-10-24 21:48:48,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:41" (2/3) ... [2018-10-24 21:48:48,203 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 09:48:48, skipping insertion in model container [2018-10-24 21:48:48,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:48:48" (3/3) ... [2018-10-24 21:48:48,205 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label26_true-unreach-call.c [2018-10-24 21:48:48,213 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:48:48,223 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:48:48,241 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:48:48,282 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:48:48,283 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:48:48,283 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:48:48,283 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:48:48,283 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:48:48,283 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:48:48,284 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:48:48,284 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:48:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-24 21:48:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-24 21:48:48,328 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:48:48,329 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] [2018-10-24 21:48:48,332 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:48:48,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:48:48,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1626414812, now seen corresponding path program 1 times [2018-10-24 21:48:48,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:48:48,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:48:48,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:48:48,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:48:48,391 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:48:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:48:48,932 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 21:48:48,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:48:48,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:48:48,935 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:48:48,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:48:48,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:48:48,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:48:48,961 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-10-24 21:48:58,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:48:58,789 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-10-24 21:48:58,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:48:58,791 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-10-24 21:48:58,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:48:58,823 INFO L225 Difference]: With dead ends: 1558 [2018-10-24 21:48:58,823 INFO L226 Difference]: Without dead ends: 1114 [2018-10-24 21:48:58,832 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 21:48:58,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-10-24 21:48:58,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1091. [2018-10-24 21:48:58,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2018-10-24 21:48:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1853 transitions. [2018-10-24 21:48:58,998 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1853 transitions. Word has length 60 [2018-10-24 21:48:58,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:48:58,999 INFO L481 AbstractCegarLoop]: Abstraction has 1091 states and 1853 transitions. [2018-10-24 21:48:58,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:48:58,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1853 transitions. [2018-10-24 21:48:59,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-24 21:48:59,020 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:48:59,020 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, 1, 1, 1, 1, 1, 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 21:48:59,020 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:48:59,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:48:59,021 INFO L82 PathProgramCache]: Analyzing trace with hash -30432942, now seen corresponding path program 1 times [2018-10-24 21:48:59,021 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:48:59,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:48:59,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:48:59,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:48:59,024 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:48:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:48:59,265 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:48:59,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:48:59,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:48:59,266 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:48:59,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:48:59,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:48:59,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:48:59,269 INFO L87 Difference]: Start difference. First operand 1091 states and 1853 transitions. Second operand 5 states. [2018-10-24 21:49:12,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:49:12,635 INFO L93 Difference]: Finished difference Result 3240 states and 5580 transitions. [2018-10-24 21:49:12,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:49:12,637 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-10-24 21:49:12,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:49:12,662 INFO L225 Difference]: With dead ends: 3240 [2018-10-24 21:49:12,662 INFO L226 Difference]: Without dead ends: 2155 [2018-10-24 21:49:12,668 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:49:12,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2018-10-24 21:49:12,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2114. [2018-10-24 21:49:12,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2114 states. [2018-10-24 21:49:12,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 3176 transitions. [2018-10-24 21:49:12,767 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 3176 transitions. Word has length 133 [2018-10-24 21:49:12,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:49:12,769 INFO L481 AbstractCegarLoop]: Abstraction has 2114 states and 3176 transitions. [2018-10-24 21:49:12,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:49:12,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 3176 transitions. [2018-10-24 21:49:12,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-24 21:49:12,774 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:12,774 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:49:12,775 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:12,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:12,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1329379774, now seen corresponding path program 1 times [2018-10-24 21:49:12,775 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:12,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:12,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:12,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:12,778 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:49:13,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:49:13,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:49:13,027 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:49:13,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:49:13,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:49:13,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:49:13,029 INFO L87 Difference]: Start difference. First operand 2114 states and 3176 transitions. Second operand 4 states. [2018-10-24 21:49:21,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:49:21,438 INFO L93 Difference]: Finished difference Result 7960 states and 12498 transitions. [2018-10-24 21:49:21,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:49:21,442 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2018-10-24 21:49:21,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:49:21,488 INFO L225 Difference]: With dead ends: 7960 [2018-10-24 21:49:21,488 INFO L226 Difference]: Without dead ends: 5852 [2018-10-24 21:49:21,515 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 21:49:21,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5852 states. [2018-10-24 21:49:21,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5852 to 5847. [2018-10-24 21:49:21,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5847 states. [2018-10-24 21:49:21,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5847 states to 5847 states and 8250 transitions. [2018-10-24 21:49:21,709 INFO L78 Accepts]: Start accepts. Automaton has 5847 states and 8250 transitions. Word has length 141 [2018-10-24 21:49:21,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:49:21,710 INFO L481 AbstractCegarLoop]: Abstraction has 5847 states and 8250 transitions. [2018-10-24 21:49:21,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:49:21,710 INFO L276 IsEmpty]: Start isEmpty. Operand 5847 states and 8250 transitions. [2018-10-24 21:49:21,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-24 21:49:21,715 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:21,716 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:49:21,716 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:21,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:21,716 INFO L82 PathProgramCache]: Analyzing trace with hash -386539338, now seen corresponding path program 1 times [2018-10-24 21:49:21,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:21,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:21,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:21,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:21,718 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:49:22,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:49:22,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:49:22,070 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:49:22,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:49:22,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:49:22,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:49:22,072 INFO L87 Difference]: Start difference. First operand 5847 states and 8250 transitions. Second operand 6 states. [2018-10-24 21:49:28,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:49:28,031 INFO L93 Difference]: Finished difference Result 13537 states and 18807 transitions. [2018-10-24 21:49:28,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:49:28,038 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2018-10-24 21:49:28,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:49:28,077 INFO L225 Difference]: With dead ends: 13537 [2018-10-24 21:49:28,077 INFO L226 Difference]: Without dead ends: 7696 [2018-10-24 21:49:28,120 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 21:49:28,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7696 states. [2018-10-24 21:49:28,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7696 to 7639. [2018-10-24 21:49:28,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7639 states. [2018-10-24 21:49:28,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7639 states to 7639 states and 9981 transitions. [2018-10-24 21:49:28,438 INFO L78 Accepts]: Start accepts. Automaton has 7639 states and 9981 transitions. Word has length 160 [2018-10-24 21:49:28,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:49:28,438 INFO L481 AbstractCegarLoop]: Abstraction has 7639 states and 9981 transitions. [2018-10-24 21:49:28,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:49:28,439 INFO L276 IsEmpty]: Start isEmpty. Operand 7639 states and 9981 transitions. [2018-10-24 21:49:28,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-24 21:49:28,446 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:28,446 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:49:28,447 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:28,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:28,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1240653666, now seen corresponding path program 1 times [2018-10-24 21:49:28,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:28,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:28,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:28,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:28,449 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-24 21:49:28,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:49:28,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:49:28,862 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:49:28,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:49:28,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:49:28,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:49:28,864 INFO L87 Difference]: Start difference. First operand 7639 states and 9981 transitions. Second operand 4 states. [2018-10-24 21:49:39,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:49:39,397 INFO L93 Difference]: Finished difference Result 24578 states and 33022 transitions. [2018-10-24 21:49:39,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:49:39,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 215 [2018-10-24 21:49:39,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:49:39,480 INFO L225 Difference]: With dead ends: 24578 [2018-10-24 21:49:39,480 INFO L226 Difference]: Without dead ends: 16945 [2018-10-24 21:49:39,526 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:49:39,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16945 states. [2018-10-24 21:49:39,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16945 to 16325. [2018-10-24 21:49:39,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16325 states. [2018-10-24 21:49:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16325 states to 16325 states and 20418 transitions. [2018-10-24 21:49:39,882 INFO L78 Accepts]: Start accepts. Automaton has 16325 states and 20418 transitions. Word has length 215 [2018-10-24 21:49:39,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:49:39,883 INFO L481 AbstractCegarLoop]: Abstraction has 16325 states and 20418 transitions. [2018-10-24 21:49:39,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:49:39,883 INFO L276 IsEmpty]: Start isEmpty. Operand 16325 states and 20418 transitions. [2018-10-24 21:49:39,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-10-24 21:49:39,896 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:39,897 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 21:49:39,897 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:39,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:39,897 INFO L82 PathProgramCache]: Analyzing trace with hash -624386788, now seen corresponding path program 1 times [2018-10-24 21:49:39,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:39,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:39,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:39,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:39,901 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:40,306 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-24 21:49:40,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:49:40,306 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:49:40,307 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-10-24 21:49:40,309 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], [453], [455], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [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], [711], [714], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 21:49:40,380 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:49:40,380 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:49:42,574 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:49:43,311 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:49:43,313 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 21:49:43,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:43,331 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:49:45,778 INFO L232 lantSequenceWeakener]: Weakened 233 states. On average, predicates are now at 78.18% of their original sizes. [2018-10-24 21:49:45,779 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:49:46,338 INFO L413 sIntCurrentIteration]: We have 240 unified AI predicates [2018-10-24 21:49:46,339 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:49:46,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:49:46,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-10-24 21:49:46,340 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:49:46,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 21:49:46,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 21:49:46,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:49:46,341 INFO L87 Difference]: Start difference. First operand 16325 states and 20418 transitions. Second operand 8 states. [2018-10-24 21:50:39,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:50:39,669 INFO L93 Difference]: Finished difference Result 32954 states and 41192 transitions. [2018-10-24 21:50:39,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:50:39,670 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 241 [2018-10-24 21:50:39,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:50:39,735 INFO L225 Difference]: With dead ends: 32954 [2018-10-24 21:50:39,735 INFO L226 Difference]: Without dead ends: 16635 [2018-10-24 21:50:39,787 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 242 GetRequests, 234 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 21:50:39,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16635 states. [2018-10-24 21:50:40,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16635 to 16633. [2018-10-24 21:50:40,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16633 states. [2018-10-24 21:50:40,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16633 states to 16633 states and 20735 transitions. [2018-10-24 21:50:40,158 INFO L78 Accepts]: Start accepts. Automaton has 16633 states and 20735 transitions. Word has length 241 [2018-10-24 21:50:40,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:50:40,158 INFO L481 AbstractCegarLoop]: Abstraction has 16633 states and 20735 transitions. [2018-10-24 21:50:40,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 21:50:40,158 INFO L276 IsEmpty]: Start isEmpty. Operand 16633 states and 20735 transitions. [2018-10-24 21:50:40,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-10-24 21:50:40,182 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:50:40,183 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:50:40,183 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:50:40,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:50:40,184 INFO L82 PathProgramCache]: Analyzing trace with hash 675271699, now seen corresponding path program 1 times [2018-10-24 21:50:40,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:50:40,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:50:40,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:50:40,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:50:40,185 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:50:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:50:41,316 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-24 21:50:41,608 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-24 21:50:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 243 proven. 169 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 21:50:41,790 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:50:41,791 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:50:41,791 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 338 with the following transitions: [2018-10-24 21:50:41,791 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], [453], [455], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [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], [691], [692], [696], [707], [711], [714], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 21:50:41,798 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:50:41,799 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:50:42,905 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:50:48,812 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:50:48,812 INFO L272 AbstractInterpreter]: Visited 109 different actions 314 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 21:50:48,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:50:48,818 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:50:52,016 INFO L232 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 78.19% of their original sizes. [2018-10-24 21:50:52,017 INFO L411 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-24 21:52:41,772 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:52:41,779 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:52:41,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:52:41 BoogieIcfgContainer [2018-10-24 21:52:41,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:52:41,781 INFO L168 Benchmark]: Toolchain (without parser) took 241870.24 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-24 21:52:41,782 INFO L168 Benchmark]: CDTParser took 0.21 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 21:52:41,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1222.83 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 21:52:41,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 405.15 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 766.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -882.0 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2018-10-24 21:52:41,794 INFO L168 Benchmark]: Boogie Preprocessor took 236.61 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-10-24 21:52:41,795 INFO L168 Benchmark]: RCFGBuilder took 6417.81 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 309.2 MB). Peak memory consumption was 309.2 MB. Max. memory is 7.1 GB. [2018-10-24 21:52:41,797 INFO L168 Benchmark]: TraceAbstraction took 233583.16 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -739.8 MB). Peak memory consumption was 861.4 MB. Max. memory is 7.1 GB. [2018-10-24 21:52:41,806 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1222.83 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 405.15 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 766.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -882.0 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 236.61 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6417.81 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 309.2 MB). Peak memory consumption was 309.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 233583.16 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -739.8 MB). Peak memory consumption was 861.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 166]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 166). Cancelled while BasicCegarLoop was analyzing trace of length 338 with TraceHistMax 4,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 14 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 233.5s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 101.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1772 SDtfs, 6571 SDslu, 1235 SDs, 0 SdLazy, 10916 SolverSat, 2606 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 73.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 277 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16633occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.0s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.995757221215781 AbsIntWeakeningRatio, 0.10069444444444445 AbsIntAvgWeakeningVarsNumRemoved, 629.7083333333334 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 748 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 950 NumberOfCodeBlocks, 950 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 944 ConstructedInterpolants, 0 QuantifiedInterpolants, 463596 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 524/526 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown