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_label28_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 01:44:28,125 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 01:44:28,128 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 01:44:28,144 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 01:44:28,144 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 01:44:28,145 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 01:44:28,147 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 01:44:28,149 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 01:44:28,152 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 01:44:28,153 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 01:44:28,155 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 01:44:28,155 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 01:44:28,156 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 01:44:28,159 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 01:44:28,168 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 01:44:28,169 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 01:44:28,170 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 01:44:28,172 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 01:44:28,177 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 01:44:28,181 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 01:44:28,182 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 01:44:28,183 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 01:44:28,187 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 01:44:28,199 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 01:44:28,200 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 01:44:28,200 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 01:44:28,201 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 01:44:28,201 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 01:44:28,225 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 01:44:28,225 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 01:44:28,226 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 01:44:28,227 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 01:44:28,227 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 01:44:28,227 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 01:44:28,227 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 01:44:28,227 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 01:44:28,228 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 01:44:28,228 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 01:44:28,228 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 01:44:28,228 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 01:44:28,229 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 01:44:28,229 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 01:44:28,229 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 01:44:28,230 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 01:44:28,230 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 01:44:28,230 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 01:44:28,230 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 01:44:28,230 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 01:44:28,231 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 01:44:28,231 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 01:44:28,231 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 01:44:28,231 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 01:44:28,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:44:28,232 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 01:44:28,232 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 01:44:28,232 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 01:44:28,232 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 01:44:28,232 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 01:44:28,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 01:44:28,233 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 01:44:28,233 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 01:44:28,233 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 01:44:28,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 01:44:28,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 01:44:28,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 01:44:28,299 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 01:44:28,299 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 01:44:28,300 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label28_true-unreach-call.c [2018-10-24 01:44:28,368 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1067a606b/32b35bb4cddf4f60964579889f43bc70/FLAGbbe7c3d40 [2018-10-24 01:44:29,031 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 01:44:29,033 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label28_true-unreach-call.c [2018-10-24 01:44:29,055 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1067a606b/32b35bb4cddf4f60964579889f43bc70/FLAGbbe7c3d40 [2018-10-24 01:44:29,070 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1067a606b/32b35bb4cddf4f60964579889f43bc70 [2018-10-24 01:44:29,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 01:44:29,087 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 01:44:29,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 01:44:29,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 01:44:29,095 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 01:44:29,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:44:29" (1/1) ... [2018-10-24 01:44:29,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e430f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:29, skipping insertion in model container [2018-10-24 01:44:29,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:44:29" (1/1) ... [2018-10-24 01:44:29,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 01:44:29,203 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 01:44:29,996 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:44:30,000 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 01:44:30,283 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:44:30,305 INFO L193 MainTranslator]: Completed translation [2018-10-24 01:44:30,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:30 WrapperNode [2018-10-24 01:44:30,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 01:44:30,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 01:44:30,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 01:44:30,307 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 01:44:30,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:30" (1/1) ... [2018-10-24 01:44:30,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:30" (1/1) ... [2018-10-24 01:44:30,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 01:44:30,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 01:44:30,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 01:44:30,698 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 01:44:30,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:30" (1/1) ... [2018-10-24 01:44:30,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:30" (1/1) ... [2018-10-24 01:44:30,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:30" (1/1) ... [2018-10-24 01:44:30,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:30" (1/1) ... [2018-10-24 01:44:30,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:30" (1/1) ... [2018-10-24 01:44:30,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:30" (1/1) ... [2018-10-24 01:44:30,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:30" (1/1) ... [2018-10-24 01:44:30,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 01:44:30,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 01:44:30,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 01:44:30,929 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 01:44:30,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:30" (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 01:44:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 01:44:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 01:44:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 01:44:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 01:44:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 01:44:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 01:44:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 01:44:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 01:44:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 01:44:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 01:44:41,672 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 01:44:41,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:44:41 BoogieIcfgContainer [2018-10-24 01:44:41,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 01:44:41,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 01:44:41,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 01:44:41,678 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 01:44:41,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:44:29" (1/3) ... [2018-10-24 01:44:41,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f759527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:44:41, skipping insertion in model container [2018-10-24 01:44:41,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:44:30" (2/3) ... [2018-10-24 01:44:41,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f759527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:44:41, skipping insertion in model container [2018-10-24 01:44:41,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:44:41" (3/3) ... [2018-10-24 01:44:41,682 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label28_true-unreach-call.c [2018-10-24 01:44:41,692 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 01:44:41,701 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 01:44:41,719 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 01:44:41,760 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 01:44:41,760 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 01:44:41,761 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 01:44:41,761 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 01:44:41,761 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 01:44:41,761 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 01:44:41,761 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 01:44:41,761 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 01:44:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-24 01:44:41,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-24 01:44:41,802 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:44:41,804 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] [2018-10-24 01:44:41,806 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:44:41,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:44:41,812 INFO L82 PathProgramCache]: Analyzing trace with hash 339561401, now seen corresponding path program 1 times [2018-10-24 01:44:41,815 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:44:41,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:41,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:44:41,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:41,864 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:44:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:44:42,221 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:44:42,271 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 01:44:42,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:44:42,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 01:44:42,274 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:44:42,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 01:44:42,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 01:44:42,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:44:42,293 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 3 states. [2018-10-24 01:44:48,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:44:48,661 INFO L93 Difference]: Finished difference Result 1194 states and 2152 transitions. [2018-10-24 01:44:48,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 01:44:48,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-10-24 01:44:48,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:44:48,689 INFO L225 Difference]: With dead ends: 1194 [2018-10-24 01:44:48,690 INFO L226 Difference]: Without dead ends: 754 [2018-10-24 01:44:48,700 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:44:48,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2018-10-24 01:44:48,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 752. [2018-10-24 01:44:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2018-10-24 01:44:48,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1325 transitions. [2018-10-24 01:44:48,803 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1325 transitions. Word has length 39 [2018-10-24 01:44:48,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:44:48,803 INFO L481 AbstractCegarLoop]: Abstraction has 752 states and 1325 transitions. [2018-10-24 01:44:48,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 01:44:48,804 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1325 transitions. [2018-10-24 01:44:48,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-24 01:44:48,810 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:44:48,810 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:44:48,811 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:44:48,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:44:48,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1690148053, now seen corresponding path program 1 times [2018-10-24 01:44:48,811 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:44:48,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:48,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:44:48,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:48,813 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:44:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:44:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:44:49,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:44:49,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:44:49,157 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:44:49,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:44:49,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:44:49,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:44:49,160 INFO L87 Difference]: Start difference. First operand 752 states and 1325 transitions. Second operand 6 states. [2018-10-24 01:45:02,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:45:02,935 INFO L93 Difference]: Finished difference Result 2839 states and 5159 transitions. [2018-10-24 01:45:02,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:45:02,936 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-10-24 01:45:02,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:45:02,955 INFO L225 Difference]: With dead ends: 2839 [2018-10-24 01:45:02,955 INFO L226 Difference]: Without dead ends: 2093 [2018-10-24 01:45:02,963 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:45:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2018-10-24 01:45:03,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2055. [2018-10-24 01:45:03,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2055 states. [2018-10-24 01:45:03,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 2055 states and 3406 transitions. [2018-10-24 01:45:03,068 INFO L78 Accepts]: Start accepts. Automaton has 2055 states and 3406 transitions. Word has length 113 [2018-10-24 01:45:03,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:45:03,069 INFO L481 AbstractCegarLoop]: Abstraction has 2055 states and 3406 transitions. [2018-10-24 01:45:03,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:45:03,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 3406 transitions. [2018-10-24 01:45:03,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-24 01:45:03,077 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:45:03,077 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:45:03,078 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:45:03,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:45:03,078 INFO L82 PathProgramCache]: Analyzing trace with hash 55667084, now seen corresponding path program 1 times [2018-10-24 01:45:03,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:45:03,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:45:03,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:45:03,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:45:03,081 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:45:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:45:03,317 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:45:03,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:45:03,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 01:45:03,318 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:45:03,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 01:45:03,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 01:45:03,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 01:45:03,319 INFO L87 Difference]: Start difference. First operand 2055 states and 3406 transitions. Second operand 5 states. [2018-10-24 01:45:11,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:45:11,998 INFO L93 Difference]: Finished difference Result 6122 states and 10307 transitions. [2018-10-24 01:45:12,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:45:12,009 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2018-10-24 01:45:12,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:45:12,038 INFO L225 Difference]: With dead ends: 6122 [2018-10-24 01:45:12,039 INFO L226 Difference]: Without dead ends: 4073 [2018-10-24 01:45:12,048 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:45:12,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4073 states. [2018-10-24 01:45:12,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4073 to 3996. [2018-10-24 01:45:12,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3996 states. [2018-10-24 01:45:12,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3996 states to 3996 states and 5876 transitions. [2018-10-24 01:45:12,176 INFO L78 Accepts]: Start accepts. Automaton has 3996 states and 5876 transitions. Word has length 116 [2018-10-24 01:45:12,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:45:12,177 INFO L481 AbstractCegarLoop]: Abstraction has 3996 states and 5876 transitions. [2018-10-24 01:45:12,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 01:45:12,177 INFO L276 IsEmpty]: Start isEmpty. Operand 3996 states and 5876 transitions. [2018-10-24 01:45:12,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-24 01:45:12,180 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:45:12,180 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:45:12,180 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:45:12,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:45:12,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1327529950, now seen corresponding path program 1 times [2018-10-24 01:45:12,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:45:12,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:45:12,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:45:12,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:45:12,182 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:45:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:45:12,417 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:45:12,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:45:12,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:45:12,417 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:45:12,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:45:12,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:45:12,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:45:12,419 INFO L87 Difference]: Start difference. First operand 3996 states and 5876 transitions. Second operand 6 states. [2018-10-24 01:45:22,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:45:22,163 INFO L93 Difference]: Finished difference Result 11083 states and 16946 transitions. [2018-10-24 01:45:22,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:45:22,166 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-10-24 01:45:22,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:45:22,210 INFO L225 Difference]: With dead ends: 11083 [2018-10-24 01:45:22,210 INFO L226 Difference]: Without dead ends: 7093 [2018-10-24 01:45:22,246 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 01:45:22,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7093 states. [2018-10-24 01:45:22,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7093 to 6984. [2018-10-24 01:45:22,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6984 states. [2018-10-24 01:45:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6984 states to 6984 states and 9531 transitions. [2018-10-24 01:45:22,458 INFO L78 Accepts]: Start accepts. Automaton has 6984 states and 9531 transitions. Word has length 126 [2018-10-24 01:45:22,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:45:22,459 INFO L481 AbstractCegarLoop]: Abstraction has 6984 states and 9531 transitions. [2018-10-24 01:45:22,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:45:22,459 INFO L276 IsEmpty]: Start isEmpty. Operand 6984 states and 9531 transitions. [2018-10-24 01:45:22,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-24 01:45:22,462 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:45:22,462 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:45:22,463 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:45:22,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:45:22,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1824244347, now seen corresponding path program 1 times [2018-10-24 01:45:22,463 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:45:22,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:45:22,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:45:22,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:45:22,465 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:45:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:45:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:45:22,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:45:22,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 01:45:22,796 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:45:22,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 01:45:22,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 01:45:22,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 01:45:22,798 INFO L87 Difference]: Start difference. First operand 6984 states and 9531 transitions. Second operand 5 states. [2018-10-24 01:45:38,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:45:38,848 INFO L93 Difference]: Finished difference Result 18666 states and 26336 transitions. [2018-10-24 01:45:38,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:45:38,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-10-24 01:45:38,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:45:38,911 INFO L225 Difference]: With dead ends: 18666 [2018-10-24 01:45:38,911 INFO L226 Difference]: Without dead ends: 11688 [2018-10-24 01:45:38,948 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:45:38,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11688 states. [2018-10-24 01:45:39,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11688 to 11527. [2018-10-24 01:45:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11527 states. [2018-10-24 01:45:39,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11527 states to 11527 states and 15508 transitions. [2018-10-24 01:45:39,206 INFO L78 Accepts]: Start accepts. Automaton has 11527 states and 15508 transitions. Word has length 136 [2018-10-24 01:45:39,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:45:39,206 INFO L481 AbstractCegarLoop]: Abstraction has 11527 states and 15508 transitions. [2018-10-24 01:45:39,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 01:45:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 11527 states and 15508 transitions. [2018-10-24 01:45:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-24 01:45:39,209 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:45:39,210 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:45:39,210 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:45:39,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:45:39,211 INFO L82 PathProgramCache]: Analyzing trace with hash 298084566, now seen corresponding path program 1 times [2018-10-24 01:45:39,211 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:45:39,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:45:39,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:45:39,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:45:39,212 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:45:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:45:39,796 WARN L179 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-10-24 01:45:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:45:40,123 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:45:40,123 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:45:40,124 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-10-24 01:45:40,127 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 01:45:40,224 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:45:40,224 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:45:42,764 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:45:42,766 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 01:45:42,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:45:42,778 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:45:44,184 INFO L232 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 78.02% of their original sizes. [2018-10-24 01:45:44,184 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:45:44,497 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:45:44,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:45:44,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-10-24 01:45:44,498 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:45:44,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 01:45:44,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 01:45:44,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:45:44,499 INFO L87 Difference]: Start difference. First operand 11527 states and 15508 transitions. Second operand 8 states. [2018-10-24 01:45:47,707 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:46:18,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:46:18,944 INFO L93 Difference]: Finished difference Result 23041 states and 31006 transitions. [2018-10-24 01:46:18,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:46:18,945 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 151 [2018-10-24 01:46:18,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:46:18,980 INFO L225 Difference]: With dead ends: 23041 [2018-10-24 01:46:18,980 INFO L226 Difference]: Without dead ends: 11520 [2018-10-24 01:46:19,014 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 01:46:19,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11520 states. [2018-10-24 01:46:19,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11520 to 11518. [2018-10-24 01:46:19,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11518 states. [2018-10-24 01:46:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11518 states to 11518 states and 15467 transitions. [2018-10-24 01:46:19,233 INFO L78 Accepts]: Start accepts. Automaton has 11518 states and 15467 transitions. Word has length 151 [2018-10-24 01:46:19,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:46:19,234 INFO L481 AbstractCegarLoop]: Abstraction has 11518 states and 15467 transitions. [2018-10-24 01:46:19,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 01:46:19,234 INFO L276 IsEmpty]: Start isEmpty. Operand 11518 states and 15467 transitions. [2018-10-24 01:46:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-24 01:46:19,239 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:46:19,239 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 01:46:19,240 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:46:19,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:46:19,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1643772052, now seen corresponding path program 1 times [2018-10-24 01:46:19,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:46:19,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:46:19,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:46:19,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:46:19,242 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:46:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:46:20,311 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-24 01:46:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:46:20,513 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:46:20,513 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:46:20,514 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2018-10-24 01:46:20,514 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], [285], [287], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 01:46:20,520 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:46:20,520 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:46:21,898 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:46:30,200 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:46:30,200 INFO L272 AbstractInterpreter]: Visited 120 different actions 347 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 01:46:30,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:46:30,210 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:46:32,870 INFO L232 lantSequenceWeakener]: Weakened 89 states. On average, predicates are now at 78.6% of their original sizes. [2018-10-24 01:46:32,871 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:48:03,631 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:48:03,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:48:03,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [11] total 27 [2018-10-24 01:48:03,631 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:48:03,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-24 01:48:03,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-24 01:48:03,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2018-10-24 01:48:03,633 INFO L87 Difference]: Start difference. First operand 11518 states and 15467 transitions. Second operand 18 states. Received shutdown request... [2018-10-24 01:48:27,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 01:48:27,563 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 01:48:27,569 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 01:48:27,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:48:27 BoogieIcfgContainer [2018-10-24 01:48:27,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 01:48:27,571 INFO L168 Benchmark]: Toolchain (without parser) took 238485.24 ms. Allocated memory was 1.6 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 1.5 GB in the end (delta: -32.1 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-24 01:48:27,572 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 01:48:27,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1216.98 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-10-24 01:48:27,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 390.25 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 778.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -894.8 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2018-10-24 01:48:27,574 INFO L168 Benchmark]: Boogie Preprocessor took 230.67 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: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2018-10-24 01:48:27,575 INFO L168 Benchmark]: RCFGBuilder took 10744.79 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: 301.5 MB). Peak memory consumption was 301.5 MB. Max. memory is 7.1 GB. [2018-10-24 01:48:27,577 INFO L168 Benchmark]: TraceAbstraction took 225895.47 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.4 GB). Free memory was 1.9 GB in the beginning and 1.5 GB in the end (delta: 427.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-24 01:48:27,582 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1216.98 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 390.25 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 778.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -894.8 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 230.67 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: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10744.79 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: 301.5 MB). Peak memory consumption was 301.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 225895.47 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.4 GB). Free memory was 1.9 GB in the beginning and 1.5 GB in the end (delta: 427.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 103). Cancelled while BasicCegarLoop was constructing difference of abstraction (11518states) and FLOYD_HOARE automaton (currently 9 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (81 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 225.8s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 113.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1335 SDtfs, 7662 SDslu, 1285 SDs, 0 SdLazy, 12980 SolverSat, 2783 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 70.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 446 GetRequests, 272 SyntacticMatches, 119 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 92.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11527occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 12.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9949037476211389 AbsIntWeakeningRatio, 0.11616161616161616 AbsIntAvgWeakeningVarsNumRemoved, 390.8838383838384 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 389 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 928 NumberOfCodeBlocks, 928 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 921 ConstructedInterpolants, 0 QuantifiedInterpolants, 998824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 286/320 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown