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/Problem11_label35_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 01:07:40,968 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 01:07:40,970 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 01:07:40,981 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 01:07:40,982 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 01:07:40,983 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 01:07:40,984 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 01:07:40,986 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 01:07:40,988 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 01:07:40,988 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 01:07:40,989 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 01:07:40,990 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 01:07:40,990 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 01:07:40,991 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 01:07:40,993 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 01:07:40,993 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 01:07:40,994 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 01:07:40,996 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 01:07:40,998 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 01:07:40,999 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 01:07:41,001 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 01:07:41,002 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 01:07:41,004 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 01:07:41,011 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 01:07:41,011 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 01:07:41,012 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 01:07:41,013 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 01:07:41,013 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 01:07:41,044 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 01:07:41,046 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 01:07:41,047 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 01:07:41,047 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 01:07:41,047 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 01:07:41,048 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 01:07:41,048 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 01:07:41,048 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 01:07:41,048 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 01:07:41,048 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 01:07:41,049 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 01:07:41,049 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 01:07:41,050 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 01:07:41,050 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 01:07:41,050 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 01:07:41,051 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 01:07:41,051 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 01:07:41,051 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 01:07:41,051 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 01:07:41,051 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 01:07:41,052 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 01:07:41,053 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 01:07:41,053 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 01:07:41,053 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 01:07:41,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:07:41,053 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 01:07:41,054 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 01:07:41,054 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 01:07:41,054 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 01:07:41,054 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 01:07:41,054 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 01:07:41,054 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 01:07:41,055 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 01:07:41,055 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 01:07:41,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 01:07:41,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 01:07:41,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 01:07:41,142 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 01:07:41,142 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 01:07:41,143 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label35_true-unreach-call.c [2018-10-24 01:07:41,204 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/48b13e97d/f93e28ea9c134dc48b2a7cc356e10091/FLAGfcb040293 [2018-10-24 01:07:41,865 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 01:07:41,866 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label35_true-unreach-call.c [2018-10-24 01:07:41,884 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/48b13e97d/f93e28ea9c134dc48b2a7cc356e10091/FLAGfcb040293 [2018-10-24 01:07:41,900 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/48b13e97d/f93e28ea9c134dc48b2a7cc356e10091 [2018-10-24 01:07:41,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 01:07:41,912 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 01:07:41,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 01:07:41,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 01:07:41,918 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 01:07:41,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:07:41" (1/1) ... [2018-10-24 01:07:41,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aff6451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:41, skipping insertion in model container [2018-10-24 01:07:41,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:07:41" (1/1) ... [2018-10-24 01:07:41,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 01:07:42,015 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 01:07:42,635 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:07:42,640 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 01:07:42,801 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:07:42,822 INFO L193 MainTranslator]: Completed translation [2018-10-24 01:07:42,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:42 WrapperNode [2018-10-24 01:07:42,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 01:07:42,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 01:07:42,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 01:07:42,824 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 01:07:42,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:42" (1/1) ... [2018-10-24 01:07:42,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:42" (1/1) ... [2018-10-24 01:07:43,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 01:07:43,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 01:07:43,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 01:07:43,084 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 01:07:43,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:42" (1/1) ... [2018-10-24 01:07:43,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:42" (1/1) ... [2018-10-24 01:07:43,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:42" (1/1) ... [2018-10-24 01:07:43,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:42" (1/1) ... [2018-10-24 01:07:43,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:42" (1/1) ... [2018-10-24 01:07:43,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:42" (1/1) ... [2018-10-24 01:07:43,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:42" (1/1) ... [2018-10-24 01:07:43,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 01:07:43,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 01:07:43,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 01:07:43,200 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 01:07:43,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:42" (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 01:07:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 01:07:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 01:07:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 01:07:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 01:07:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 01:07:43,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 01:07:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 01:07:43,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 01:07:47,743 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 01:07:47,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:07:47 BoogieIcfgContainer [2018-10-24 01:07:47,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 01:07:47,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 01:07:47,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 01:07:47,751 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 01:07:47,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:07:41" (1/3) ... [2018-10-24 01:07:47,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba549e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:07:47, skipping insertion in model container [2018-10-24 01:07:47,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:42" (2/3) ... [2018-10-24 01:07:47,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba549e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:07:47, skipping insertion in model container [2018-10-24 01:07:47,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:07:47" (3/3) ... [2018-10-24 01:07:47,755 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label35_true-unreach-call.c [2018-10-24 01:07:47,765 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 01:07:47,774 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 01:07:47,792 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 01:07:47,832 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 01:07:47,833 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 01:07:47,833 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 01:07:47,833 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 01:07:47,833 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 01:07:47,833 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 01:07:47,833 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 01:07:47,834 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 01:07:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-24 01:07:47,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-24 01:07:47,875 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:07:47,876 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] [2018-10-24 01:07:47,878 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:07:47,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:07:47,885 INFO L82 PathProgramCache]: Analyzing trace with hash 460642553, now seen corresponding path program 1 times [2018-10-24 01:07:47,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:07:47,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:07:47,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:07:47,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:07:47,936 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:07:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:07:48,419 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 01:07:48,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:07:48,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:07:48,422 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:07:48,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:07:48,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:07:48,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:07:48,448 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-10-24 01:07:51,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:07:51,812 INFO L93 Difference]: Finished difference Result 998 states and 1780 transitions. [2018-10-24 01:07:51,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:07:51,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-10-24 01:07:51,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:07:51,840 INFO L225 Difference]: With dead ends: 998 [2018-10-24 01:07:51,841 INFO L226 Difference]: Without dead ends: 699 [2018-10-24 01:07:51,850 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 01:07:51,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2018-10-24 01:07:51,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 693. [2018-10-24 01:07:51,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2018-10-24 01:07:51,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 1109 transitions. [2018-10-24 01:07:51,949 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 1109 transitions. Word has length 65 [2018-10-24 01:07:51,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:07:51,950 INFO L481 AbstractCegarLoop]: Abstraction has 693 states and 1109 transitions. [2018-10-24 01:07:51,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:07:51,950 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1109 transitions. [2018-10-24 01:07:51,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-24 01:07:51,961 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:07:51,962 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, 1, 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 01:07:51,962 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:07:51,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:07:51,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1344478420, now seen corresponding path program 1 times [2018-10-24 01:07:51,963 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:07:51,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:07:51,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:07:51,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:07:51,965 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:07:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:07:52,304 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:07:52,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:07:52,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:07:52,304 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:07:52,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:07:52,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:07:52,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:07:52,308 INFO L87 Difference]: Start difference. First operand 693 states and 1109 transitions. Second operand 4 states. [2018-10-24 01:07:56,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:07:56,210 INFO L93 Difference]: Finished difference Result 2539 states and 4264 transitions. [2018-10-24 01:07:56,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:07:56,216 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-10-24 01:07:56,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:07:56,236 INFO L225 Difference]: With dead ends: 2539 [2018-10-24 01:07:56,237 INFO L226 Difference]: Without dead ends: 1852 [2018-10-24 01:07:56,245 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 01:07:56,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2018-10-24 01:07:56,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1835. [2018-10-24 01:07:56,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2018-10-24 01:07:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2830 transitions. [2018-10-24 01:07:56,352 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2830 transitions. Word has length 139 [2018-10-24 01:07:56,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:07:56,353 INFO L481 AbstractCegarLoop]: Abstraction has 1835 states and 2830 transitions. [2018-10-24 01:07:56,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:07:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2830 transitions. [2018-10-24 01:07:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-24 01:07:56,363 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:07:56,364 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:56,364 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:07:56,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:07:56,365 INFO L82 PathProgramCache]: Analyzing trace with hash -2061838657, now seen corresponding path program 1 times [2018-10-24 01:07:56,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:07:56,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:07:56,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:07:56,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:07:56,367 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:07:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:07:56,901 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:07:56,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:07:56,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:07:56,902 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:07:56,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:07:56,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:07:56,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:07:56,904 INFO L87 Difference]: Start difference. First operand 1835 states and 2830 transitions. Second operand 6 states. [2018-10-24 01:08:01,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:08:01,435 INFO L93 Difference]: Finished difference Result 7366 states and 13526 transitions. [2018-10-24 01:08:01,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 01:08:01,435 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-10-24 01:08:01,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:08:01,504 INFO L225 Difference]: With dead ends: 7366 [2018-10-24 01:08:01,504 INFO L226 Difference]: Without dead ends: 5537 [2018-10-24 01:08:01,563 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 01:08:01,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5537 states. [2018-10-24 01:08:01,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5537 to 4800. [2018-10-24 01:08:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4800 states. [2018-10-24 01:08:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4800 states to 4800 states and 7124 transitions. [2018-10-24 01:08:01,823 INFO L78 Accepts]: Start accepts. Automaton has 4800 states and 7124 transitions. Word has length 164 [2018-10-24 01:08:01,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:08:01,824 INFO L481 AbstractCegarLoop]: Abstraction has 4800 states and 7124 transitions. [2018-10-24 01:08:01,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:08:01,824 INFO L276 IsEmpty]: Start isEmpty. Operand 4800 states and 7124 transitions. [2018-10-24 01:08:01,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-24 01:08:01,845 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:08:01,845 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, 3, 3, 3, 3, 3, 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] [2018-10-24 01:08:01,846 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:08:01,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:08:01,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1896930166, now seen corresponding path program 1 times [2018-10-24 01:08:01,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:08:01,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:01,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:08:01,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:01,848 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:08:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:08:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-24 01:08:02,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:08:02,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:08:02,376 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:08:02,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:08:02,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:08:02,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:08:02,378 INFO L87 Difference]: Start difference. First operand 4800 states and 7124 transitions. Second operand 4 states. [2018-10-24 01:08:05,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:08:05,288 INFO L93 Difference]: Finished difference Result 12909 states and 21989 transitions. [2018-10-24 01:08:05,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:08:05,289 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 230 [2018-10-24 01:08:05,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:08:05,360 INFO L225 Difference]: With dead ends: 12909 [2018-10-24 01:08:05,360 INFO L226 Difference]: Without dead ends: 8115 [2018-10-24 01:08:05,427 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 01:08:05,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8115 states. [2018-10-24 01:08:05,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8115 to 7727. [2018-10-24 01:08:05,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7727 states. [2018-10-24 01:08:05,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7727 states to 7727 states and 11241 transitions. [2018-10-24 01:08:05,713 INFO L78 Accepts]: Start accepts. Automaton has 7727 states and 11241 transitions. Word has length 230 [2018-10-24 01:08:05,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:08:05,714 INFO L481 AbstractCegarLoop]: Abstraction has 7727 states and 11241 transitions. [2018-10-24 01:08:05,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:08:05,714 INFO L276 IsEmpty]: Start isEmpty. Operand 7727 states and 11241 transitions. [2018-10-24 01:08:05,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-24 01:08:05,738 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:08:05,738 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, 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] [2018-10-24 01:08:05,739 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:08:05,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:08:05,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1960371396, now seen corresponding path program 1 times [2018-10-24 01:08:05,739 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:08:05,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:05,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:08:05,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:08:05,741 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:08:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:08:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 116 proven. 69 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 01:08:06,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:08:06,199 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:08:06,200 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-10-24 01:08:06,202 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [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], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-24 01:08:06,284 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:08:06,284 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:08:08,383 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:08:11,266 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:08:11,269 INFO L272 AbstractInterpreter]: Visited 100 different actions 100 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-10-24 01:08:11,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:08:11,312 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:08:14,803 INFO L232 lantSequenceWeakener]: Weakened 226 states. On average, predicates are now at 73.86% of their original sizes. [2018-10-24 01:08:14,803 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:08:15,312 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:08:15,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:08:15,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2018-10-24 01:08:15,314 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:08:15,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 01:08:15,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 01:08:15,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 01:08:15,315 INFO L87 Difference]: Start difference. First operand 7727 states and 11241 transitions. Second operand 7 states. [2018-10-24 01:09:11,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:09:11,165 INFO L93 Difference]: Finished difference Result 15640 states and 22704 transitions. [2018-10-24 01:09:11,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:09:11,165 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2018-10-24 01:09:11,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:09:11,221 INFO L225 Difference]: With dead ends: 15640 [2018-10-24 01:09:11,221 INFO L226 Difference]: Without dead ends: 7919 [2018-10-24 01:09:11,265 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 234 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:09:11,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7919 states. [2018-10-24 01:09:11,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7919 to 7917. [2018-10-24 01:09:11,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7917 states. [2018-10-24 01:09:11,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7917 states to 7917 states and 11441 transitions. [2018-10-24 01:09:11,548 INFO L78 Accepts]: Start accepts. Automaton has 7917 states and 11441 transitions. Word has length 234 [2018-10-24 01:09:11,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:09:11,549 INFO L481 AbstractCegarLoop]: Abstraction has 7917 states and 11441 transitions. [2018-10-24 01:09:11,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 01:09:11,549 INFO L276 IsEmpty]: Start isEmpty. Operand 7917 states and 11441 transitions. [2018-10-24 01:09:11,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-24 01:09:11,574 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:09:11,575 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:09:11,575 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:09:11,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:09:11,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1348465692, now seen corresponding path program 1 times [2018-10-24 01:09:11,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:09:11,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:09:11,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:09:11,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:09:11,578 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:09:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:09:11,855 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-10-24 01:09:11,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:09:11,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 01:09:11,856 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:09:11,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 01:09:11,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 01:09:11,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:09:11,857 INFO L87 Difference]: Start difference. First operand 7917 states and 11441 transitions. Second operand 3 states. [2018-10-24 01:09:13,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:09:13,763 INFO L93 Difference]: Finished difference Result 17347 states and 26080 transitions. [2018-10-24 01:09:13,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 01:09:13,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2018-10-24 01:09:13,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:09:13,840 INFO L225 Difference]: With dead ends: 17347 [2018-10-24 01:09:13,840 INFO L226 Difference]: Without dead ends: 9626 [2018-10-24 01:09:13,889 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:09:13,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9626 states. [2018-10-24 01:09:14,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9626 to 9626. [2018-10-24 01:09:14,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9626 states. [2018-10-24 01:09:14,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9626 states to 9626 states and 13866 transitions. [2018-10-24 01:09:14,210 INFO L78 Accepts]: Start accepts. Automaton has 9626 states and 13866 transitions. Word has length 289 [2018-10-24 01:09:14,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:09:14,210 INFO L481 AbstractCegarLoop]: Abstraction has 9626 states and 13866 transitions. [2018-10-24 01:09:14,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 01:09:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 9626 states and 13866 transitions. [2018-10-24 01:09:14,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-24 01:09:14,243 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:09:14,243 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:09:14,244 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:09:14,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:09:14,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1783736515, now seen corresponding path program 1 times [2018-10-24 01:09:14,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:09:14,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:09:14,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:09:14,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:09:14,246 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:09:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:09:14,869 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 215 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:09:14,869 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:09:14,870 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:09:14,870 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 301 with the following transitions: [2018-10-24 01:09:14,870 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [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], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [621], [625], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-24 01:09:14,883 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:09:14,884 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:09:18,946 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:09:34,044 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:09:34,045 INFO L272 AbstractInterpreter]: Visited 140 different actions 407 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-24 01:09:34,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:09:34,054 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:09:37,658 INFO L232 lantSequenceWeakener]: Weakened 39 states. On average, predicates are now at 74.16% of their original sizes. [2018-10-24 01:09:37,658 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:11:12,786 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:11:12,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:11:12,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [6] total 21 [2018-10-24 01:11:12,787 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:11:12,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-24 01:11:12,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-24 01:11:12,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-10-24 01:11:12,788 INFO L87 Difference]: Start difference. First operand 9626 states and 13866 transitions. Second operand 17 states. Received shutdown request... [2018-10-24 01:11:21,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 01:11:21,179 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 01:11:21,183 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 01:11:21,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:11:21 BoogieIcfgContainer [2018-10-24 01:11:21,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 01:11:21,185 INFO L168 Benchmark]: Toolchain (without parser) took 219273.30 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 697.5 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:21,186 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 01:11:21,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 909.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:21,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 259.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -843.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:21,189 INFO L168 Benchmark]: Boogie Preprocessor took 116.05 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 01:11:21,189 INFO L168 Benchmark]: RCFGBuilder took 4544.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 198.7 MB). Peak memory consumption was 198.7 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:21,190 INFO L168 Benchmark]: TraceAbstraction took 213438.18 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 3.0 GB in the end (delta: -936.8 MB). Peak memory consumption was 527.5 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:21,194 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 909.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 259.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -843.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.05 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 4544.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 198.7 MB). Peak memory consumption was 198.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 213438.18 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 3.0 GB in the end (delta: -936.8 MB). Peak memory consumption was 527.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 180]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 180). Cancelled while BasicCegarLoop was constructing difference of abstraction (9626states) and FLOYD_HOARE automaton (currently 9 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (12 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 213.3s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 81.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1777 SDtfs, 3040 SDslu, 1019 SDs, 0 SdLazy, 6445 SolverSat, 1654 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 47.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 570 GetRequests, 440 SyntacticMatches, 89 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 98.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9626occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 24.2s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9962107650077577 AbsIntWeakeningRatio, 0.11090225563909774 AbsIntAvgWeakeningVarsNumRemoved, 1130.71992481203 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1150 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1421 NumberOfCodeBlocks, 1421 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1414 ConstructedInterpolants, 0 QuantifiedInterpolants, 1083568 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 851/922 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown