java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label35_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:12:17,124 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:12:17,126 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:12:17,137 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:12:17,138 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:12:17,139 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:12:17,140 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:12:17,142 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:12:17,143 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:12:17,144 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:12:17,145 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:12:17,145 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:12:17,146 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:12:17,147 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:12:17,148 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:12:17,149 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:12:17,150 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:12:17,151 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:12:17,153 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:12:17,155 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:12:17,156 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:12:17,157 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:12:17,160 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 21:12:17,160 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 21:12:17,160 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 21:12:17,161 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 21:12:17,162 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 21:12:17,162 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 21:12:17,163 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 21:12:17,164 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 21:12:17,165 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 21:12:17,165 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 21:12:17,165 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 21:12:17,166 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 21:12:17,167 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 21:12:17,167 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 21:12:17,168 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 21:12:17,182 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:12:17,182 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:12:17,183 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:12:17,183 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:12:17,184 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:12:17,184 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:12:17,184 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:12:17,184 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:12:17,184 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:12:17,184 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:12:17,185 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:12:17,185 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:12:17,185 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:12:17,186 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:12:17,186 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:12:17,186 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:12:17,186 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:12:17,186 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:12:17,187 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:12:17,187 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:12:17,187 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:12:17,187 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:12:17,187 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:12:17,188 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:12:17,188 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:12:17,188 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:12:17,188 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:12:17,188 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:12:17,189 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:12:17,189 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:12:17,189 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:12:17,189 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:12:17,189 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:12:17,189 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:12:17,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:12:17,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:12:17,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:12:17,250 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:12:17,250 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:12:17,251 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label35_true-unreach-call.c [2018-10-24 21:12:17,306 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d81a974a9/7e954048e4a341c2974da83ac27f9b07/FLAG6e499f753 [2018-10-24 21:12:17,902 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:12:17,903 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label35_true-unreach-call.c [2018-10-24 21:12:17,919 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d81a974a9/7e954048e4a341c2974da83ac27f9b07/FLAG6e499f753 [2018-10-24 21:12:17,941 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d81a974a9/7e954048e4a341c2974da83ac27f9b07 [2018-10-24 21:12:17,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:12:17,958 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:12:17,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:12:17,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:12:17,966 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:12:17,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:12:17" (1/1) ... [2018-10-24 21:12:17,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43be0e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:17, skipping insertion in model container [2018-10-24 21:12:17,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:12:17" (1/1) ... [2018-10-24 21:12:17,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:12:18,063 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:12:18,655 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:12:18,660 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:12:18,878 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:12:18,901 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:12:18,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:18 WrapperNode [2018-10-24 21:12:18,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:12:18,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:12:18,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:12:18,903 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:12:18,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:18" (1/1) ... [2018-10-24 21:12:18,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:18" (1/1) ... [2018-10-24 21:12:19,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:12:19,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:12:19,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:12:19,170 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:12:19,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:18" (1/1) ... [2018-10-24 21:12:19,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:18" (1/1) ... [2018-10-24 21:12:19,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:18" (1/1) ... [2018-10-24 21:12:19,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:18" (1/1) ... [2018-10-24 21:12:19,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:18" (1/1) ... [2018-10-24 21:12:19,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:18" (1/1) ... [2018-10-24 21:12:19,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:18" (1/1) ... [2018-10-24 21:12:19,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:12:19,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:12:19,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:12:19,314 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:12:19,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:12:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:12:19,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:12:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:12:19,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:12:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:12:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:12:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:12:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:12:23,955 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:12:23,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:12:23 BoogieIcfgContainer [2018-10-24 21:12:23,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:12:23,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:12:23,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:12:23,964 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:12:23,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:12:17" (1/3) ... [2018-10-24 21:12:23,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68911bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:12:23, skipping insertion in model container [2018-10-24 21:12:23,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:18" (2/3) ... [2018-10-24 21:12:23,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68911bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:12:23, skipping insertion in model container [2018-10-24 21:12:23,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:12:23" (3/3) ... [2018-10-24 21:12:23,971 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label35_true-unreach-call.c [2018-10-24 21:12:23,982 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:12:23,995 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:12:24,015 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:12:24,062 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:12:24,062 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:12:24,062 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:12:24,063 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:12:24,063 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:12:24,063 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:12:24,063 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:12:24,063 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:12:24,094 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-24 21:12:24,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-24 21:12:24,104 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:12:24,105 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:12:24,107 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:12:24,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:12:24,112 INFO L82 PathProgramCache]: Analyzing trace with hash 460642553, now seen corresponding path program 1 times [2018-10-24 21:12:24,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:12:24,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:12:24,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:12:24,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:12:24,166 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:12:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:12:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:12:24,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:12:24,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:12:24,663 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:12:24,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:12:24,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:12:24,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:12:24,690 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-10-24 21:12:27,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:12:27,971 INFO L93 Difference]: Finished difference Result 998 states and 1780 transitions. [2018-10-24 21:12:27,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:12:27,976 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-10-24 21:12:27,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:12:28,000 INFO L225 Difference]: With dead ends: 998 [2018-10-24 21:12:28,000 INFO L226 Difference]: Without dead ends: 699 [2018-10-24 21:12:28,010 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:12:28,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2018-10-24 21:12:28,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 693. [2018-10-24 21:12:28,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2018-10-24 21:12:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 1109 transitions. [2018-10-24 21:12:28,117 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 1109 transitions. Word has length 65 [2018-10-24 21:12:28,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:12:28,118 INFO L481 AbstractCegarLoop]: Abstraction has 693 states and 1109 transitions. [2018-10-24 21:12:28,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:12:28,118 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1109 transitions. [2018-10-24 21:12:28,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-24 21:12:28,128 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:12:28,129 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:12:28,129 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:12:28,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:12:28,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1344478420, now seen corresponding path program 1 times [2018-10-24 21:12:28,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:12:28,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:12:28,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:12:28,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:12:28,131 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:12:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:12:28,450 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:12:28,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:12:28,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:12:28,451 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:12:28,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:12:28,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:12:28,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:12:28,454 INFO L87 Difference]: Start difference. First operand 693 states and 1109 transitions. Second operand 4 states. [2018-10-24 21:12:32,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:12:32,498 INFO L93 Difference]: Finished difference Result 2539 states and 4264 transitions. [2018-10-24 21:12:32,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:12:32,500 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-10-24 21:12:32,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:12:32,519 INFO L225 Difference]: With dead ends: 2539 [2018-10-24 21:12:32,520 INFO L226 Difference]: Without dead ends: 1852 [2018-10-24 21:12:32,527 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:12:32,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2018-10-24 21:12:32,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1835. [2018-10-24 21:12:32,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1835 states. [2018-10-24 21:12:32,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2830 transitions. [2018-10-24 21:12:32,624 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2830 transitions. Word has length 139 [2018-10-24 21:12:32,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:12:32,624 INFO L481 AbstractCegarLoop]: Abstraction has 1835 states and 2830 transitions. [2018-10-24 21:12:32,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:12:32,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2830 transitions. [2018-10-24 21:12:32,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-24 21:12:32,641 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:12:32,641 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:12:32,643 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:12:32,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:12:32,643 INFO L82 PathProgramCache]: Analyzing trace with hash -2061838657, now seen corresponding path program 1 times [2018-10-24 21:12:32,643 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:12:32,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:12:32,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:12:32,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:12:32,646 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:12:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:12:33,233 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:12:33,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:12:33,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:12:33,234 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:12:33,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:12:33,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:12:33,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:12:33,235 INFO L87 Difference]: Start difference. First operand 1835 states and 2830 transitions. Second operand 6 states. [2018-10-24 21:12:38,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:12:38,043 INFO L93 Difference]: Finished difference Result 7366 states and 13526 transitions. [2018-10-24 21:12:38,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 21:12:38,045 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-10-24 21:12:38,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:12:38,116 INFO L225 Difference]: With dead ends: 7366 [2018-10-24 21:12:38,117 INFO L226 Difference]: Without dead ends: 5537 [2018-10-24 21:12:38,174 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 21:12:38,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5537 states. [2018-10-24 21:12:38,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5537 to 4800. [2018-10-24 21:12:38,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4800 states. [2018-10-24 21:12:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4800 states to 4800 states and 7124 transitions. [2018-10-24 21:12:38,423 INFO L78 Accepts]: Start accepts. Automaton has 4800 states and 7124 transitions. Word has length 164 [2018-10-24 21:12:38,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:12:38,423 INFO L481 AbstractCegarLoop]: Abstraction has 4800 states and 7124 transitions. [2018-10-24 21:12:38,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:12:38,424 INFO L276 IsEmpty]: Start isEmpty. Operand 4800 states and 7124 transitions. [2018-10-24 21:12:38,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-24 21:12:38,444 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:12:38,444 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:12:38,445 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:12:38,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:12:38,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1896930166, now seen corresponding path program 1 times [2018-10-24 21:12:38,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:12:38,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:12:38,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:12:38,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:12:38,447 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:12:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:12:38,909 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-24 21:12:38,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:12:38,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:12:38,910 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:12:38,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:12:38,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:12:38,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:12:38,911 INFO L87 Difference]: Start difference. First operand 4800 states and 7124 transitions. Second operand 4 states. [2018-10-24 21:12:42,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:12:42,667 INFO L93 Difference]: Finished difference Result 12909 states and 21989 transitions. [2018-10-24 21:12:42,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:12:42,670 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 230 [2018-10-24 21:12:42,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:12:42,727 INFO L225 Difference]: With dead ends: 12909 [2018-10-24 21:12:42,727 INFO L226 Difference]: Without dead ends: 8115 [2018-10-24 21:12:42,791 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:12:42,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8115 states. [2018-10-24 21:12:43,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8115 to 7727. [2018-10-24 21:12:43,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7727 states. [2018-10-24 21:12:43,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7727 states to 7727 states and 11241 transitions. [2018-10-24 21:12:43,047 INFO L78 Accepts]: Start accepts. Automaton has 7727 states and 11241 transitions. Word has length 230 [2018-10-24 21:12:43,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:12:43,048 INFO L481 AbstractCegarLoop]: Abstraction has 7727 states and 11241 transitions. [2018-10-24 21:12:43,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:12:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 7727 states and 11241 transitions. [2018-10-24 21:12:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-24 21:12:43,074 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:12:43,075 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:12:43,075 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:12:43,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:12:43,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1960371396, now seen corresponding path program 1 times [2018-10-24 21:12:43,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:12:43,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:12:43,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:12:43,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:12:43,077 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:12:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:12:43,511 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 116 proven. 69 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 21:12:43,511 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:12:43,511 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:12:43,512 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-10-24 21:12:43,514 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-24 21:12:43,581 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:12:43,582 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:12:45,372 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:12:47,747 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:12:47,748 INFO L272 AbstractInterpreter]: Visited 100 different actions 100 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-10-24 21:12:47,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:12:47,783 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:12:50,869 INFO L232 lantSequenceWeakener]: Weakened 226 states. On average, predicates are now at 73.86% of their original sizes. [2018-10-24 21:12:50,869 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:12:51,304 INFO L413 sIntCurrentIteration]: We have 233 unified AI predicates [2018-10-24 21:12:51,305 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:12:51,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:12:51,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2018-10-24 21:12:51,306 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:12:51,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 21:12:51,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 21:12:51,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 21:12:51,308 INFO L87 Difference]: Start difference. First operand 7727 states and 11241 transitions. Second operand 7 states. [2018-10-24 21:13:42,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:13:42,888 INFO L93 Difference]: Finished difference Result 15640 states and 22704 transitions. [2018-10-24 21:13:42,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:13:42,889 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2018-10-24 21:13:42,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:13:42,936 INFO L225 Difference]: With dead ends: 15640 [2018-10-24 21:13:42,936 INFO L226 Difference]: Without dead ends: 7919 [2018-10-24 21:13:42,976 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 234 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:13:42,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7919 states. [2018-10-24 21:13:43,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7919 to 7917. [2018-10-24 21:13:43,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7917 states. [2018-10-24 21:13:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7917 states to 7917 states and 11441 transitions. [2018-10-24 21:13:43,258 INFO L78 Accepts]: Start accepts. Automaton has 7917 states and 11441 transitions. Word has length 234 [2018-10-24 21:13:43,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:13:43,258 INFO L481 AbstractCegarLoop]: Abstraction has 7917 states and 11441 transitions. [2018-10-24 21:13:43,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 21:13:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 7917 states and 11441 transitions. [2018-10-24 21:13:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-24 21:13:43,283 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:13:43,284 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:13:43,284 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:13:43,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:13:43,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1348465692, now seen corresponding path program 1 times [2018-10-24 21:13:43,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:13:43,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:13:43,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:13:43,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:13:43,286 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:13:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:13:43,540 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-10-24 21:13:43,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:13:43,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 21:13:43,541 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:13:43,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 21:13:43,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 21:13:43,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:13:43,542 INFO L87 Difference]: Start difference. First operand 7917 states and 11441 transitions. Second operand 3 states. [2018-10-24 21:13:45,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:13:45,962 INFO L93 Difference]: Finished difference Result 17347 states and 26080 transitions. [2018-10-24 21:13:45,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 21:13:45,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2018-10-24 21:13:45,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:13:46,014 INFO L225 Difference]: With dead ends: 17347 [2018-10-24 21:13:46,014 INFO L226 Difference]: Without dead ends: 9626 [2018-10-24 21:13:46,052 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:13:46,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9626 states. [2018-10-24 21:13:46,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9626 to 9626. [2018-10-24 21:13:46,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9626 states. [2018-10-24 21:13:46,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9626 states to 9626 states and 13866 transitions. [2018-10-24 21:13:46,331 INFO L78 Accepts]: Start accepts. Automaton has 9626 states and 13866 transitions. Word has length 289 [2018-10-24 21:13:46,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:13:46,332 INFO L481 AbstractCegarLoop]: Abstraction has 9626 states and 13866 transitions. [2018-10-24 21:13:46,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 21:13:46,332 INFO L276 IsEmpty]: Start isEmpty. Operand 9626 states and 13866 transitions. [2018-10-24 21:13:46,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-24 21:13:46,362 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:13:46,363 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:13:46,363 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:13:46,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:13:46,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1783736515, now seen corresponding path program 1 times [2018-10-24 21:13:46,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:13:46,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:13:46,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:13:46,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:13:46,365 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:13:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:13:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 215 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:13:46,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:13:46,746 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:13:46,746 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 301 with the following transitions: [2018-10-24 21:13:46,747 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [621], [625], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-24 21:13:46,754 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:13:46,754 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:13:49,794 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:14:04,321 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:14:04,321 INFO L272 AbstractInterpreter]: Visited 140 different actions 408 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-24 21:14:04,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:14:04,329 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:14:07,302 INFO L232 lantSequenceWeakener]: Weakened 21 states. On average, predicates are now at 75.09% of their original sizes. [2018-10-24 21:14:07,302 INFO L411 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-24 21:16:16,856 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:16:16,862 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:16:16,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:16:16 BoogieIcfgContainer [2018-10-24 21:16:16,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:16:16,864 INFO L168 Benchmark]: Toolchain (without parser) took 238908.06 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.1 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -315.6 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-24 21:16:16,866 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 21:16:16,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 943.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-10-24 21:16:16,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 267.26 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 722.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -811.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2018-10-24 21:16:16,870 INFO L168 Benchmark]: Boogie Preprocessor took 142.86 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 21:16:16,870 INFO L168 Benchmark]: RCFGBuilder took 4645.39 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 195.1 MB). Peak memory consumption was 195.1 MB. Max. memory is 7.1 GB. [2018-10-24 21:16:16,871 INFO L168 Benchmark]: TraceAbstraction took 232903.51 ms. Allocated memory was 2.2 GB in the beginning and 3.6 GB in the end (delta: 1.4 GB). Free memory was 2.0 GB in the beginning and 1.7 GB in the end (delta: 237.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-10-24 21:16:16,877 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 943.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 267.26 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 722.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -811.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.86 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 4645.39 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 195.1 MB). Peak memory consumption was 195.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232903.51 ms. Allocated memory was 2.2 GB in the beginning and 3.6 GB in the end (delta: 1.4 GB). Free memory was 2.0 GB in the beginning and 1.7 GB in the end (delta: 237.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 180]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 180). Cancelled while BasicCegarLoop was analyzing trace of length 301 with TraceHistMax 3,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 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 232.8s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 70.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1768 SDtfs, 3020 SDslu, 1007 SDs, 0 SdLazy, 6363 SolverSat, 1648 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 266 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9626occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 21.8s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9962107650077577 AbsIntWeakeningRatio, 0.11090225563909774 AbsIntAvgWeakeningVarsNumRemoved, 1111.4755639097743 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 1150 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1121 NumberOfCodeBlocks, 1121 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1115 ConstructedInterpolants, 0 QuantifiedInterpolants, 796229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 636/705 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown