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/Problem16_label26_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 01:53:36,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 01:53:36,077 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 01:53:36,095 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 01:53:36,095 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 01:53:36,097 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 01:53:36,098 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 01:53:36,100 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 01:53:36,101 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 01:53:36,102 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 01:53:36,103 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 01:53:36,104 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 01:53:36,105 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 01:53:36,106 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 01:53:36,107 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 01:53:36,108 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 01:53:36,109 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 01:53:36,111 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 01:53:36,113 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 01:53:36,114 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 01:53:36,116 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 01:53:36,117 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 01:53:36,120 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 01:53:36,127 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 01:53:36,128 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 01:53:36,131 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 01:53:36,132 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 01:53:36,132 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 01:53:36,156 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 01:53:36,157 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 01:53:36,158 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 01:53:36,158 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 01:53:36,158 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 01:53:36,158 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 01:53:36,158 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 01:53:36,159 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 01:53:36,159 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 01:53:36,159 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 01:53:36,159 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 01:53:36,159 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 01:53:36,162 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 01:53:36,162 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 01:53:36,162 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 01:53:36,162 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 01:53:36,163 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 01:53:36,163 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 01:53:36,163 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 01:53:36,163 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 01:53:36,163 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 01:53:36,164 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 01:53:36,164 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 01:53:36,164 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 01:53:36,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:53:36,164 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 01:53:36,165 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 01:53:36,166 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 01:53:36,166 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 01:53:36,166 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 01:53:36,167 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 01:53:36,167 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 01:53:36,167 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 01:53:36,167 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 01:53:36,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 01:53:36,234 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 01:53:36,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 01:53:36,241 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 01:53:36,241 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 01:53:36,242 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label26_true-unreach-call.c [2018-10-24 01:53:36,315 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/546391285/3fddd92c1a734675808186cde0948b72/FLAG77c4a7490 [2018-10-24 01:53:37,035 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 01:53:37,037 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label26_true-unreach-call.c [2018-10-24 01:53:37,055 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/546391285/3fddd92c1a734675808186cde0948b72/FLAG77c4a7490 [2018-10-24 01:53:37,072 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/546391285/3fddd92c1a734675808186cde0948b72 [2018-10-24 01:53:37,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 01:53:37,085 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 01:53:37,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 01:53:37,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 01:53:37,090 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 01:53:37,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:53:37" (1/1) ... [2018-10-24 01:53:37,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436ba03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:37, skipping insertion in model container [2018-10-24 01:53:37,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:53:37" (1/1) ... [2018-10-24 01:53:37,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 01:53:37,198 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 01:53:38,014 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:53:38,019 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 01:53:38,278 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:53:38,298 INFO L193 MainTranslator]: Completed translation [2018-10-24 01:53:38,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:38 WrapperNode [2018-10-24 01:53:38,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 01:53:38,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 01:53:38,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 01:53:38,301 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 01:53:38,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:38" (1/1) ... [2018-10-24 01:53:38,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:38" (1/1) ... [2018-10-24 01:53:38,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 01:53:38,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 01:53:38,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 01:53:38,628 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 01:53:38,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:38" (1/1) ... [2018-10-24 01:53:38,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:38" (1/1) ... [2018-10-24 01:53:38,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:38" (1/1) ... [2018-10-24 01:53:38,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:38" (1/1) ... [2018-10-24 01:53:38,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:38" (1/1) ... [2018-10-24 01:53:38,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:38" (1/1) ... [2018-10-24 01:53:38,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:38" (1/1) ... [2018-10-24 01:53:38,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 01:53:38,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 01:53:38,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 01:53:38,794 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 01:53:38,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:53:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 01:53:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 01:53:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 01:53:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 01:53:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 01:53:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 01:53:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 01:53:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 01:53:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 01:53:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 01:53:46,129 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 01:53:46,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:53:46 BoogieIcfgContainer [2018-10-24 01:53:46,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 01:53:46,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 01:53:46,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 01:53:46,135 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 01:53:46,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:53:37" (1/3) ... [2018-10-24 01:53:46,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da3da09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:53:46, skipping insertion in model container [2018-10-24 01:53:46,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:38" (2/3) ... [2018-10-24 01:53:46,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da3da09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:53:46, skipping insertion in model container [2018-10-24 01:53:46,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:53:46" (3/3) ... [2018-10-24 01:53:46,139 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label26_true-unreach-call.c [2018-10-24 01:53:46,149 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 01:53:46,160 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 01:53:46,178 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 01:53:46,228 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 01:53:46,229 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 01:53:46,229 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 01:53:46,229 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 01:53:46,229 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 01:53:46,229 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 01:53:46,230 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 01:53:46,230 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 01:53:46,263 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-10-24 01:53:46,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-24 01:53:46,272 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:53:46,274 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] [2018-10-24 01:53:46,276 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:53:46,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:53:46,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1191514292, now seen corresponding path program 1 times [2018-10-24 01:53:46,284 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:53:46,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:53:46,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:53:46,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:53:46,337 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:53:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:53:46,751 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:53:46,894 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 01:53:46,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:53:46,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 01:53:46,898 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:53:46,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 01:53:46,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 01:53:46,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:53:46,948 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-10-24 01:53:50,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:53:50,987 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-10-24 01:53:50,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 01:53:50,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2018-10-24 01:53:50,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:53:51,015 INFO L225 Difference]: With dead ends: 1156 [2018-10-24 01:53:51,015 INFO L226 Difference]: Without dead ends: 744 [2018-10-24 01:53:51,027 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:53:51,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-10-24 01:53:51,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-10-24 01:53:51,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-10-24 01:53:51,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1343 transitions. [2018-10-24 01:53:51,158 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1343 transitions. Word has length 42 [2018-10-24 01:53:51,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:53:51,159 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 1343 transitions. [2018-10-24 01:53:51,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 01:53:51,159 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1343 transitions. [2018-10-24 01:53:51,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-24 01:53:51,166 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:53:51,166 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:51,167 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:53:51,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:53:51,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1985483383, now seen corresponding path program 1 times [2018-10-24 01:53:51,168 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:53:51,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:53:51,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:53:51,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:53:51,169 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:53:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:53:51,565 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:53:51,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:53:51,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:53:51,566 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:53:51,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:53:51,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:53:51,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:53:51,575 INFO L87 Difference]: Start difference. First operand 744 states and 1343 transitions. Second operand 6 states. [2018-10-24 01:53:59,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:53:59,413 INFO L93 Difference]: Finished difference Result 2846 states and 5292 transitions. [2018-10-24 01:53:59,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:53:59,417 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 115 [2018-10-24 01:53:59,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:53:59,439 INFO L225 Difference]: With dead ends: 2846 [2018-10-24 01:53:59,439 INFO L226 Difference]: Without dead ends: 2108 [2018-10-24 01:53:59,448 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 01:53:59,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2018-10-24 01:53:59,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 2090. [2018-10-24 01:53:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2090 states. [2018-10-24 01:53:59,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 2090 states and 3323 transitions. [2018-10-24 01:53:59,556 INFO L78 Accepts]: Start accepts. Automaton has 2090 states and 3323 transitions. Word has length 115 [2018-10-24 01:53:59,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:53:59,556 INFO L481 AbstractCegarLoop]: Abstraction has 2090 states and 3323 transitions. [2018-10-24 01:53:59,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:53:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 3323 transitions. [2018-10-24 01:53:59,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-24 01:53:59,571 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:53:59,572 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:59,572 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:53:59,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:53:59,573 INFO L82 PathProgramCache]: Analyzing trace with hash 808284322, now seen corresponding path program 1 times [2018-10-24 01:53:59,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:53:59,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:53:59,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:53:59,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:53:59,575 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:53:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:53:59,926 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:54:00,350 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:54:00,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:54:00,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:54:00,351 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:54:00,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:54:00,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:54:00,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:54:00,352 INFO L87 Difference]: Start difference. First operand 2090 states and 3323 transitions. Second operand 6 states. [2018-10-24 01:54:07,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:54:07,568 INFO L93 Difference]: Finished difference Result 5549 states and 9209 transitions. [2018-10-24 01:54:07,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:54:07,570 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2018-10-24 01:54:07,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:54:07,596 INFO L225 Difference]: With dead ends: 5549 [2018-10-24 01:54:07,596 INFO L226 Difference]: Without dead ends: 3465 [2018-10-24 01:54:07,611 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 01:54:07,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3465 states. [2018-10-24 01:54:07,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3465 to 3433. [2018-10-24 01:54:07,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3433 states. [2018-10-24 01:54:07,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3433 states to 3433 states and 5124 transitions. [2018-10-24 01:54:07,730 INFO L78 Accepts]: Start accepts. Automaton has 3433 states and 5124 transitions. Word has length 144 [2018-10-24 01:54:07,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:54:07,731 INFO L481 AbstractCegarLoop]: Abstraction has 3433 states and 5124 transitions. [2018-10-24 01:54:07,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:54:07,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3433 states and 5124 transitions. [2018-10-24 01:54:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-10-24 01:54:07,743 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:54:07,744 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:07,744 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:54:07,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:54:07,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1228883702, now seen corresponding path program 1 times [2018-10-24 01:54:07,745 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:54:07,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:54:07,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:54:07,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:54:07,746 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:54:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:54:08,148 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:54:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:54:08,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:54:08,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:54:08,621 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:54:08,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:54:08,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:54:08,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:54:08,622 INFO L87 Difference]: Start difference. First operand 3433 states and 5124 transitions. Second operand 6 states. [2018-10-24 01:54:11,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:54:11,985 INFO L93 Difference]: Finished difference Result 8945 states and 13969 transitions. [2018-10-24 01:54:11,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:54:11,985 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 316 [2018-10-24 01:54:11,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:54:12,019 INFO L225 Difference]: With dead ends: 8945 [2018-10-24 01:54:12,020 INFO L226 Difference]: Without dead ends: 5518 [2018-10-24 01:54:12,034 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 01:54:12,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5518 states. [2018-10-24 01:54:12,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5518 to 5504. [2018-10-24 01:54:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5504 states. [2018-10-24 01:54:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5504 states to 5504 states and 7967 transitions. [2018-10-24 01:54:12,244 INFO L78 Accepts]: Start accepts. Automaton has 5504 states and 7967 transitions. Word has length 316 [2018-10-24 01:54:12,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:54:12,245 INFO L481 AbstractCegarLoop]: Abstraction has 5504 states and 7967 transitions. [2018-10-24 01:54:12,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:54:12,246 INFO L276 IsEmpty]: Start isEmpty. Operand 5504 states and 7967 transitions. [2018-10-24 01:54:12,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2018-10-24 01:54:12,262 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:54:12,262 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:12,263 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:54:12,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:54:12,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1236053316, now seen corresponding path program 1 times [2018-10-24 01:54:12,263 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:54:12,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:54:12,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:54:12,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:54:12,265 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:54:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:54:12,576 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:54:12,756 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 70 proven. 111 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 01:54:12,756 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:54:12,756 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:54:12,758 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 433 with the following transitions: [2018-10-24 01:54:12,760 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [415], [417], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-24 01:54:12,854 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:54:12,855 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:54:20,360 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:54:20,362 INFO L272 AbstractInterpreter]: Visited 279 different actions 279 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 01:54:20,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:54:20,396 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:54:23,795 INFO L232 lantSequenceWeakener]: Weakened 424 states. On average, predicates are now at 77.58% of their original sizes. [2018-10-24 01:54:23,796 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:54:24,587 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:54:24,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:54:24,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-10-24 01:54:24,588 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:54:24,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-24 01:54:24,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-24 01:54:24,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-10-24 01:54:24,590 INFO L87 Difference]: Start difference. First operand 5504 states and 7967 transitions. Second operand 9 states. [2018-10-24 01:54:28,752 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:55:02,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:55:02,749 INFO L93 Difference]: Finished difference Result 11342 states and 16400 transitions. [2018-10-24 01:55:02,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 01:55:02,749 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 432 [2018-10-24 01:55:02,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:55:02,773 INFO L225 Difference]: With dead ends: 11342 [2018-10-24 01:55:02,773 INFO L226 Difference]: Without dead ends: 5844 [2018-10-24 01:55:02,792 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 434 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-24 01:55:02,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5844 states. [2018-10-24 01:55:02,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5844 to 5842. [2018-10-24 01:55:02,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5842 states. [2018-10-24 01:55:02,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5842 states to 5842 states and 8313 transitions. [2018-10-24 01:55:02,942 INFO L78 Accepts]: Start accepts. Automaton has 5842 states and 8313 transitions. Word has length 432 [2018-10-24 01:55:02,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:55:02,943 INFO L481 AbstractCegarLoop]: Abstraction has 5842 states and 8313 transitions. [2018-10-24 01:55:02,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-24 01:55:02,943 INFO L276 IsEmpty]: Start isEmpty. Operand 5842 states and 8313 transitions. [2018-10-24 01:55:02,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2018-10-24 01:55:02,965 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:55:02,965 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:02,966 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:55:02,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:55:02,966 INFO L82 PathProgramCache]: Analyzing trace with hash -761572322, now seen corresponding path program 1 times [2018-10-24 01:55:02,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:55:02,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:55:02,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:55:02,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:55:02,968 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:55:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:55:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 200 proven. 115 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-10-24 01:55:03,890 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:55:03,890 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:55:03,890 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 525 with the following transitions: [2018-10-24 01:55:03,891 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [415], [417], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-24 01:55:03,909 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:55:03,909 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:55:05,104 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:55:45,416 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:55:45,416 INFO L272 AbstractInterpreter]: Visited 283 different actions 1113 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 01:55:45,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:55:45,425 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:55:52,215 INFO L232 lantSequenceWeakener]: Weakened 98 states. On average, predicates are now at 77.92% of their original sizes. [2018-10-24 01:55:52,215 INFO L411 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-24 01:57:34,268 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 01:57:34,274 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 01:57:34,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:57:34 BoogieIcfgContainer [2018-10-24 01:57:34,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 01:57:34,276 INFO L168 Benchmark]: Toolchain (without parser) took 237191.66 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-10-24 01:57:34,278 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 01:57:34,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1213.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-24 01:57:34,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 327.72 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -845.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2018-10-24 01:57:34,284 INFO L168 Benchmark]: Boogie Preprocessor took 165.55 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2018-10-24 01:57:34,286 INFO L168 Benchmark]: RCFGBuilder took 7336.62 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: 263.3 MB). Peak memory consumption was 263.3 MB. Max. memory is 7.1 GB. [2018-10-24 01:57:34,288 INFO L168 Benchmark]: TraceAbstraction took 228142.77 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 1.9 GB in the beginning and 3.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-24 01:57:34,298 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1213.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 327.72 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -845.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 165.55 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7336.62 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: 263.3 MB). Peak memory consumption was 263.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 228142.77 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 1.9 GB in the beginning and 3.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 112). Cancelled while BasicCegarLoop was analyzing trace of length 525 with TraceHistMax 4,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 14 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 228.0s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 60.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 812 SDtfs, 6395 SDslu, 521 SDs, 0 SdLazy, 8590 SolverSat, 3206 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 469 GetRequests, 432 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5842occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 49.1s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9974383222434902 AbsIntWeakeningRatio, 0.06079664570230608 AbsIntAvgWeakeningVarsNumRemoved, 422.82389937106916 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 66 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1049 NumberOfCodeBlocks, 1049 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1044 ConstructedInterpolants, 0 QuantifiedInterpolants, 1174494 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 180/291 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown