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_label18_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 22:41:20,199 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 22:41:20,201 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 22:41:20,213 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 22:41:20,214 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 22:41:20,215 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 22:41:20,216 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 22:41:20,218 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 22:41:20,220 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 22:41:20,220 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 22:41:20,221 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 22:41:20,222 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 22:41:20,222 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 22:41:20,223 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 22:41:20,225 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 22:41:20,225 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 22:41:20,226 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 22:41:20,228 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 22:41:20,235 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 22:41:20,239 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 22:41:20,241 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 22:41:20,242 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 22:41:20,244 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 22:41:20,257 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 [2018-10-23 22:41:20,284 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 22:41:20,284 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 22:41:20,285 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 22:41:20,285 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 22:41:20,285 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 22:41:20,285 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 22:41:20,286 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 22:41:20,286 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 22:41:20,286 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 22:41:20,286 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 22:41:20,286 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 22:41:20,287 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 22:41:20,287 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 22:41:20,287 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 22:41:20,288 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 22:41:20,288 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 22:41:20,288 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 22:41:20,288 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 22:41:20,288 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 22:41:20,289 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 22:41:20,289 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 22:41:20,289 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 22:41:20,289 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 22:41:20,289 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 22:41:20,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 22:41:20,290 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 22:41:20,290 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 22:41:20,290 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 22:41:20,290 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 22:41:20,291 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 22:41:20,291 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 22:41:20,291 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 22:41:20,291 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 22:41:20,291 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 22:41:20,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 22:41:20,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 22:41:20,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 22:41:20,355 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 22:41:20,356 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 22:41:20,357 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label18_false-unreach-call.c [2018-10-23 22:41:20,417 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/803c27a71/8bc86f5e93494776afce9a16e31ef28e/FLAGb47a7bbc0 [2018-10-23 22:41:21,122 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 22:41:21,123 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label18_false-unreach-call.c [2018-10-23 22:41:21,144 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/803c27a71/8bc86f5e93494776afce9a16e31ef28e/FLAGb47a7bbc0 [2018-10-23 22:41:21,160 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/803c27a71/8bc86f5e93494776afce9a16e31ef28e [2018-10-23 22:41:21,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 22:41:21,176 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 22:41:21,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 22:41:21,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 22:41:21,181 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 22:41:21,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:41:21" (1/1) ... [2018-10-23 22:41:21,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbc7c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:41:21, skipping insertion in model container [2018-10-23 22:41:21,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:41:21" (1/1) ... [2018-10-23 22:41:21,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 22:41:21,300 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 22:41:22,134 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:41:22,139 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 22:41:22,475 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:41:22,496 INFO L193 MainTranslator]: Completed translation [2018-10-23 22:41:22,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:41:22 WrapperNode [2018-10-23 22:41:22,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 22:41:22,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 22:41:22,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 22:41:22,498 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 22:41:22,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:41:22" (1/1) ... [2018-10-23 22:41:22,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:41:22" (1/1) ... [2018-10-23 22:41:22,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 22:41:22,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 22:41:22,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 22:41:22,809 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 22:41:22,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:41:22" (1/1) ... [2018-10-23 22:41:22,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:41:22" (1/1) ... [2018-10-23 22:41:22,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:41:22" (1/1) ... [2018-10-23 22:41:22,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:41:22" (1/1) ... [2018-10-23 22:41:22,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:41:22" (1/1) ... [2018-10-23 22:41:22,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:41:22" (1/1) ... [2018-10-23 22:41:22,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:41:22" (1/1) ... [2018-10-23 22:41:22,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 22:41:22,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 22:41:22,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 22:41:22,964 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 22:41:22,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:41:22" (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 [2018-10-23 22:41:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 22:41:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 22:41:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-23 22:41:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-23 22:41:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 22:41:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 22:41:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 22:41:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 22:41:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 22:41:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 22:41:29,192 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 22:41:29,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:41:29 BoogieIcfgContainer [2018-10-23 22:41:29,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 22:41:29,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 22:41:29,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 22:41:29,199 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 22:41:29,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:41:21" (1/3) ... [2018-10-23 22:41:29,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41330bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:41:29, skipping insertion in model container [2018-10-23 22:41:29,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:41:22" (2/3) ... [2018-10-23 22:41:29,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41330bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:41:29, skipping insertion in model container [2018-10-23 22:41:29,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:41:29" (3/3) ... [2018-10-23 22:41:29,203 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label18_false-unreach-call.c [2018-10-23 22:41:29,213 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 22:41:29,223 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 22:41:29,242 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 22:41:29,284 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 22:41:29,285 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 22:41:29,285 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 22:41:29,285 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 22:41:29,285 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 22:41:29,285 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 22:41:29,285 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 22:41:29,286 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 22:41:29,319 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-10-23 22:41:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-23 22:41:29,332 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:41:29,334 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:41:29,338 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:41:29,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:41:29,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1130259964, now seen corresponding path program 1 times [2018-10-23 22:41:29,348 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:41:29,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:41:29,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:41:29,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:41:29,412 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:41:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:41:29,709 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-23 22:41:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:41:29,818 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:41:29,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 22:41:29,819 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:41:29,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 22:41:29,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 22:41:29,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 22:41:29,846 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-10-23 22:41:33,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:41:33,488 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-10-23 22:41:33,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 22:41:33,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-10-23 22:41:33,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:41:33,514 INFO L225 Difference]: With dead ends: 1156 [2018-10-23 22:41:33,514 INFO L226 Difference]: Without dead ends: 744 [2018-10-23 22:41:33,527 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 [2018-10-23 22:41:33,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-10-23 22:41:33,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-10-23 22:41:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-10-23 22:41:33,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1355 transitions. [2018-10-23 22:41:33,647 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1355 transitions. Word has length 14 [2018-10-23 22:41:33,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:41:33,648 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 1355 transitions. [2018-10-23 22:41:33,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 22:41:33,648 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1355 transitions. [2018-10-23 22:41:33,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-23 22:41:33,654 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:41:33,654 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 22:41:33,655 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:41:33,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:41:33,655 INFO L82 PathProgramCache]: Analyzing trace with hash -3982677, now seen corresponding path program 1 times [2018-10-23 22:41:33,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:41:33,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:41:33,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:41:33,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:41:33,657 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:41:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:41:33,968 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:41:33,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:41:33,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:41:33,969 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:41:33,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:41:33,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:41:33,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:41:33,972 INFO L87 Difference]: Start difference. First operand 744 states and 1355 transitions. Second operand 6 states. [2018-10-23 22:41:40,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:41:40,685 INFO L93 Difference]: Finished difference Result 2191 states and 4077 transitions. [2018-10-23 22:41:40,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:41:40,686 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-10-23 22:41:40,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:41:40,700 INFO L225 Difference]: With dead ends: 2191 [2018-10-23 22:41:40,700 INFO L226 Difference]: Without dead ends: 1453 [2018-10-23 22:41:40,705 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 22:41:40,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2018-10-23 22:41:40,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1436. [2018-10-23 22:41:40,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1436 states. [2018-10-23 22:41:40,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2556 transitions. [2018-10-23 22:41:40,785 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2556 transitions. Word has length 85 [2018-10-23 22:41:40,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:41:40,785 INFO L481 AbstractCegarLoop]: Abstraction has 1436 states and 2556 transitions. [2018-10-23 22:41:40,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:41:40,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2556 transitions. [2018-10-23 22:41:40,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-23 22:41:40,793 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:41:40,793 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 22:41:40,794 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:41:40,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:41:40,794 INFO L82 PathProgramCache]: Analyzing trace with hash 461895267, now seen corresponding path program 1 times [2018-10-23 22:41:40,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:41:40,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:41:40,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:41:40,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:41:40,798 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:41:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:41:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:41:41,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:41:41,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:41:41,099 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:41:41,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:41:41,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:41:41,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:41:41,101 INFO L87 Difference]: Start difference. First operand 1436 states and 2556 transitions. Second operand 6 states. [2018-10-23 22:41:46,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:41:46,936 INFO L93 Difference]: Finished difference Result 3925 states and 7037 transitions. [2018-10-23 22:41:46,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:41:46,937 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-10-23 22:41:46,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:41:46,958 INFO L225 Difference]: With dead ends: 3925 [2018-10-23 22:41:46,958 INFO L226 Difference]: Without dead ends: 2495 [2018-10-23 22:41:46,967 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 22:41:46,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2018-10-23 22:41:47,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2466. [2018-10-23 22:41:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2466 states. [2018-10-23 22:41:47,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2466 states and 4043 transitions. [2018-10-23 22:41:47,063 INFO L78 Accepts]: Start accepts. Automaton has 2466 states and 4043 transitions. Word has length 89 [2018-10-23 22:41:47,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:41:47,064 INFO L481 AbstractCegarLoop]: Abstraction has 2466 states and 4043 transitions. [2018-10-23 22:41:47,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:41:47,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2466 states and 4043 transitions. [2018-10-23 22:41:47,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-23 22:41:47,071 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:41:47,072 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 22:41:47,073 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:41:47,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:41:47,074 INFO L82 PathProgramCache]: Analyzing trace with hash -179153430, now seen corresponding path program 1 times [2018-10-23 22:41:47,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:41:47,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:41:47,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:41:47,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:41:47,075 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:41:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:41:47,356 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:41:47,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:41:47,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:41:47,357 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:41:47,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:41:47,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:41:47,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:41:47,358 INFO L87 Difference]: Start difference. First operand 2466 states and 4043 transitions. Second operand 6 states. [2018-10-23 22:41:55,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:41:55,769 INFO L93 Difference]: Finished difference Result 6972 states and 11519 transitions. [2018-10-23 22:41:55,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:41:55,779 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-10-23 22:41:55,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:41:55,810 INFO L225 Difference]: With dead ends: 6972 [2018-10-23 22:41:55,811 INFO L226 Difference]: Without dead ends: 4512 [2018-10-23 22:41:55,830 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 22:41:55,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2018-10-23 22:41:55,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 4480. [2018-10-23 22:41:55,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4480 states. [2018-10-23 22:41:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4480 states to 4480 states and 6530 transitions. [2018-10-23 22:41:55,961 INFO L78 Accepts]: Start accepts. Automaton has 4480 states and 6530 transitions. Word has length 120 [2018-10-23 22:41:55,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:41:55,962 INFO L481 AbstractCegarLoop]: Abstraction has 4480 states and 6530 transitions. [2018-10-23 22:41:55,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:41:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 4480 states and 6530 transitions. [2018-10-23 22:41:55,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-23 22:41:55,966 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:41:55,967 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-23 22:41:55,967 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:41:55,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:41:55,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1769086126, now seen corresponding path program 1 times [2018-10-23 22:41:55,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:41:55,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:41:55,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:41:55,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:41:55,969 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:41:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:41:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:41:56,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:41:56,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:41:56,298 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:41:56,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:41:56,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:41:56,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:41:56,300 INFO L87 Difference]: Start difference. First operand 4480 states and 6530 transitions. Second operand 6 states. [2018-10-23 22:42:03,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:42:03,974 INFO L93 Difference]: Finished difference Result 16690 states and 25766 transitions. [2018-10-23 22:42:03,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:42:03,976 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-10-23 22:42:03,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:42:04,050 INFO L225 Difference]: With dead ends: 16690 [2018-10-23 22:42:04,050 INFO L226 Difference]: Without dead ends: 12216 [2018-10-23 22:42:04,097 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-23 22:42:04,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12216 states. [2018-10-23 22:42:04,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12216 to 12211. [2018-10-23 22:42:04,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12211 states. [2018-10-23 22:42:04,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12211 states to 12211 states and 17510 transitions. [2018-10-23 22:42:04,461 INFO L78 Accepts]: Start accepts. Automaton has 12211 states and 17510 transitions. Word has length 164 [2018-10-23 22:42:04,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:42:04,462 INFO L481 AbstractCegarLoop]: Abstraction has 12211 states and 17510 transitions. [2018-10-23 22:42:04,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:42:04,462 INFO L276 IsEmpty]: Start isEmpty. Operand 12211 states and 17510 transitions. [2018-10-23 22:42:04,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-23 22:42:04,475 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:42:04,475 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:42:04,476 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:42:04,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:42:04,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1438063964, now seen corresponding path program 1 times [2018-10-23 22:42:04,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:42:04,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:42:04,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:42:04,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:42:04,478 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:42:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:42:04,774 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-23 22:42:04,820 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 14 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-23 22:42:04,821 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 22:42:04,821 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 22:42:04,822 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 237 with the following transitions: [2018-10-23 22:42:04,825 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [191], [193], [196], [204], [212], [220], [228], [236], [244], [252], [260], [268], [276], [284], [292], [300], [308], [316], [324], [332], [340], [348], [356], [364], [372], [380], [388], [396], [404], [412], [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], [680], [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], [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], [992], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-23 22:42:04,911 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 22:42:04,911 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 22:42:06,630 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-23 22:42:09,306 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 22:42:09,308 INFO L272 AbstractInterpreter]: Visited 155 different actions 155 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-23 22:42:09,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:42:09,323 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 22:42:11,480 INFO L232 lantSequenceWeakener]: Weakened 228 states. On average, predicates are now at 77.28% of their original sizes. [2018-10-23 22:42:11,482 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 22:42:12,050 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 22:42:12,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 22:42:12,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2018-10-23 22:42:12,052 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:42:12,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-23 22:42:12,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-23 22:42:12,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-23 22:42:12,053 INFO L87 Difference]: Start difference. First operand 12211 states and 17510 transitions. Second operand 8 states. [2018-10-23 22:42:47,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:42:47,827 INFO L93 Difference]: Finished difference Result 24756 states and 35475 transitions. [2018-10-23 22:42:47,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-23 22:42:47,827 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 236 [2018-10-23 22:42:47,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:42:48,039 INFO L225 Difference]: With dead ends: 24756 [2018-10-23 22:42:48,039 INFO L226 Difference]: Without dead ends: 12551 [2018-10-23 22:42:48,091 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 237 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-23 22:42:48,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12551 states. [2018-10-23 22:42:48,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12551 to 12549. [2018-10-23 22:42:48,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12549 states. [2018-10-23 22:42:48,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12549 states to 12549 states and 17857 transitions. [2018-10-23 22:42:48,449 INFO L78 Accepts]: Start accepts. Automaton has 12549 states and 17857 transitions. Word has length 236 [2018-10-23 22:42:48,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:42:48,450 INFO L481 AbstractCegarLoop]: Abstraction has 12549 states and 17857 transitions. [2018-10-23 22:42:48,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-23 22:42:48,450 INFO L276 IsEmpty]: Start isEmpty. Operand 12549 states and 17857 transitions. [2018-10-23 22:42:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-10-23 22:42:48,471 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:42:48,471 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:42:48,472 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:42:48,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:42:48,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1449851262, now seen corresponding path program 1 times [2018-10-23 22:42:48,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:42:48,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:42:48,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:42:48,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:42:48,474 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:42:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:42:48,791 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-23 22:42:49,133 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 27 proven. 156 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-23 22:42:49,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 22:42:49,134 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 22:42:49,134 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 329 with the following transitions: [2018-10-23 22:42:49,135 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [191], [193], [196], [204], [212], [220], [228], [236], [244], [252], [260], [268], [276], [284], [292], [300], [308], [316], [324], [332], [340], [348], [356], [364], [372], [380], [388], [396], [404], [412], [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], [680], [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], [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], [992], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-23 22:42:49,150 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 22:42:49,150 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 22:42:50,130 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-23 22:43:09,246 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 22:43:09,247 INFO L272 AbstractInterpreter]: Visited 159 different actions 617 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-23 22:43:09,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:43:09,256 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 22:43:14,243 INFO L232 lantSequenceWeakener]: Weakened 43 states. On average, predicates are now at 78.27% of their original sizes. [2018-10-23 22:43:14,243 INFO L411 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-23 22:45:11,287 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 22:45:11,292 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 22:45:11,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 10:45:11 BoogieIcfgContainer [2018-10-23 22:45:11,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 22:45:11,293 INFO L168 Benchmark]: Toolchain (without parser) took 230119.21 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 578.0 MB. Max. memory is 7.1 GB. [2018-10-23 22:45:11,297 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 22:45:11,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1320.12 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-10-23 22:45:11,299 INFO L168 Benchmark]: Boogie Procedure Inliner took 310.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -863.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2018-10-23 22:45:11,300 INFO L168 Benchmark]: Boogie Preprocessor took 153.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-10-23 22:45:11,301 INFO L168 Benchmark]: RCFGBuilder took 6230.31 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: 256.4 MB). Peak memory consumption was 256.4 MB. Max. memory is 7.1 GB. [2018-10-23 22:45:11,302 INFO L168 Benchmark]: TraceAbstraction took 222097.61 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 1.9 GB in the beginning and 3.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 336.4 MB. Max. memory is 7.1 GB. [2018-10-23 22:45:11,312 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1320.12 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 310.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -863.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 153.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6230.31 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: 256.4 MB). Peak memory consumption was 256.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 222097.61 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 1.9 GB in the beginning and 3.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 336.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 28]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 28). Cancelled while BasicCegarLoop was analyzing trace of length 329 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, 222.0s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 68.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 926 SDtfs, 8059 SDslu, 636 SDs, 0 SdLazy, 11578 SolverSat, 3291 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 41.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 280 GetRequests, 240 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12549occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 24.6s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9956515292175976 AbsIntWeakeningRatio, 0.10320284697508897 AbsIntAvgWeakeningVarsNumRemoved, 391.01779359430606 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 85 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 708 NumberOfCodeBlocks, 708 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 702 ConstructedInterpolants, 0 QuantifiedInterpolants, 434278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 47/114 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown