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/Problem17_label13_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:12:53,159 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:12:53,161 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:12:53,182 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:12:53,182 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:12:53,184 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:12:53,186 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:12:53,188 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:12:53,191 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:12:53,192 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:12:53,202 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:12:53,202 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:12:53,203 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:12:53,207 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:12:53,211 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:12:53,212 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:12:53,214 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:12:53,215 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:12:53,218 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:12:53,224 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:12:53,225 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:12:53,229 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:12:53,235 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-27 00:12:53,248 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:12:53,248 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:12:53,249 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:12:53,252 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:12:53,252 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 [2018-10-27 00:12:53,277 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:12:53,277 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:12:53,278 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:12:53,279 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:12:53,279 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:12:53,279 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:12:53,279 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:12:53,280 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:12:53,280 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 00:12:53,280 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:12:53,280 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:12:53,280 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:12:53,281 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:12:53,282 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:12:53,282 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:12:53,282 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:12:53,282 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:12:53,283 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:12:53,283 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:12:53,283 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:12:53,283 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:12:53,284 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:12:53,284 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:12:53,284 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:12:53,284 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:12:53,285 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:12:53,285 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:12:53,285 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:12:53,285 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:12:53,286 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:12:53,286 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:12:53,286 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:12:53,286 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 00:12:53,286 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 00:12:53,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:12:53,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:12:53,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:12:53,358 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:12:53,359 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:12:53,359 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label13_false-unreach-call.c [2018-10-27 00:12:53,432 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a103e658d/20d15771016649a087a35c32c8634655/FLAG85c0136af [2018-10-27 00:12:54,297 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:12:54,298 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label13_false-unreach-call.c [2018-10-27 00:12:54,330 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a103e658d/20d15771016649a087a35c32c8634655/FLAG85c0136af [2018-10-27 00:12:54,352 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a103e658d/20d15771016649a087a35c32c8634655 [2018-10-27 00:12:54,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:12:54,371 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:12:54,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:12:54,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:12:54,380 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:12:54,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:12:54" (1/1) ... [2018-10-27 00:12:54,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8de4687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:12:54, skipping insertion in model container [2018-10-27 00:12:54,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:12:54" (1/1) ... [2018-10-27 00:12:54,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:12:54,551 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:12:55,687 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:12:55,693 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:12:56,178 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:12:56,207 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:12:56,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:12:56 WrapperNode [2018-10-27 00:12:56,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:12:56,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:12:56,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:12:56,210 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:12:56,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:12:56" (1/1) ... [2018-10-27 00:12:56,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:12:56" (1/1) ... [2018-10-27 00:12:56,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:12:56,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:12:56,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:12:56,747 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:12:56,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:12:56" (1/1) ... [2018-10-27 00:12:56,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:12:56" (1/1) ... [2018-10-27 00:12:56,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:12:56" (1/1) ... [2018-10-27 00:12:56,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:12:56" (1/1) ... [2018-10-27 00:12:56,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:12:56" (1/1) ... [2018-10-27 00:12:56,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:12:56" (1/1) ... [2018-10-27 00:12:57,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:12:56" (1/1) ... [2018-10-27 00:12:57,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:12:57,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:12:57,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:12:57,081 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:12:57,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:12:56" (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 [2018-10-27 00:12:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:12:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:12:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 00:12:57,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 00:12:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 00:12:57,166 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 00:12:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:12:57,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:12:57,167 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:12:57,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:13:11,165 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:13:11,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:13:11 BoogieIcfgContainer [2018-10-27 00:13:11,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:13:11,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:13:11,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:13:11,176 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:13:11,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:12:54" (1/3) ... [2018-10-27 00:13:11,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b3a4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:13:11, skipping insertion in model container [2018-10-27 00:13:11,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:12:56" (2/3) ... [2018-10-27 00:13:11,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b3a4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:13:11, skipping insertion in model container [2018-10-27 00:13:11,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:13:11" (3/3) ... [2018-10-27 00:13:11,181 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label13_false-unreach-call.c [2018-10-27 00:13:11,192 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:13:11,207 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:13:11,226 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:13:11,282 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:13:11,283 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:13:11,283 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:13:11,283 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:13:11,283 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:13:11,283 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:13:11,284 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:13:11,284 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:13:11,333 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-10-27 00:13:11,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 00:13:11,346 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:13:11,348 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] [2018-10-27 00:13:11,350 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:13:11,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:13:11,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1178650194, now seen corresponding path program 1 times [2018-10-27 00:13:11,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:13:11,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:13:11,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:13:11,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:13:11,427 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:13:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:13:11,893 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-27 00:13:11,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:13:11,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:13:11,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:13:11,905 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:13:11,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:13:11,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:13:11,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:13:11,931 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-10-27 00:13:22,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:13:22,743 INFO L93 Difference]: Finished difference Result 2166 states and 4013 transitions. [2018-10-27 00:13:22,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:13:22,752 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-10-27 00:13:22,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:13:22,797 INFO L225 Difference]: With dead ends: 2166 [2018-10-27 00:13:22,797 INFO L226 Difference]: Without dead ends: 1556 [2018-10-27 00:13:22,809 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 [2018-10-27 00:13:22,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2018-10-27 00:13:22,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1068. [2018-10-27 00:13:22,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1068 states. [2018-10-27 00:13:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1850 transitions. [2018-10-27 00:13:22,973 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1850 transitions. Word has length 37 [2018-10-27 00:13:22,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:13:22,974 INFO L481 AbstractCegarLoop]: Abstraction has 1068 states and 1850 transitions. [2018-10-27 00:13:22,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:13:22,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1850 transitions. [2018-10-27 00:13:22,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-27 00:13:22,981 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:13:22,981 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:13:22,982 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:13:22,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:13:22,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1514580025, now seen corresponding path program 1 times [2018-10-27 00:13:22,982 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:13:22,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:13:22,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:13:22,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:13:22,984 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:13:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:13:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:13:23,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:13:23,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:13:23,407 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:13:23,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:13:23,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:13:23,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:13:23,410 INFO L87 Difference]: Start difference. First operand 1068 states and 1850 transitions. Second operand 6 states. [2018-10-27 00:13:30,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:13:30,782 INFO L93 Difference]: Finished difference Result 3059 states and 5419 transitions. [2018-10-27 00:13:30,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:13:30,783 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-10-27 00:13:30,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:13:30,800 INFO L225 Difference]: With dead ends: 3059 [2018-10-27 00:13:30,801 INFO L226 Difference]: Without dead ends: 1997 [2018-10-27 00:13:30,805 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 [2018-10-27 00:13:30,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2018-10-27 00:13:30,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1975. [2018-10-27 00:13:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1975 states. [2018-10-27 00:13:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 3181 transitions. [2018-10-27 00:13:30,890 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 3181 transitions. Word has length 113 [2018-10-27 00:13:30,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:13:30,891 INFO L481 AbstractCegarLoop]: Abstraction has 1975 states and 3181 transitions. [2018-10-27 00:13:30,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:13:30,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 3181 transitions. [2018-10-27 00:13:30,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-27 00:13:30,904 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:13:30,904 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:13:30,904 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:13:30,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:13:30,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1724480335, now seen corresponding path program 1 times [2018-10-27 00:13:30,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:13:30,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:13:30,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:13:30,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:13:30,907 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:13:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:13:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:13:31,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:13:31,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:13:31,122 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:13:31,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:13:31,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:13:31,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:13:31,124 INFO L87 Difference]: Start difference. First operand 1975 states and 3181 transitions. Second operand 6 states. [2018-10-27 00:13:38,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:13:38,834 INFO L93 Difference]: Finished difference Result 4880 states and 7834 transitions. [2018-10-27 00:13:38,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:13:38,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2018-10-27 00:13:38,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:13:38,854 INFO L225 Difference]: With dead ends: 4880 [2018-10-27 00:13:38,855 INFO L226 Difference]: Without dead ends: 2911 [2018-10-27 00:13:38,864 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 [2018-10-27 00:13:38,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2911 states. [2018-10-27 00:13:38,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2911 to 2880. [2018-10-27 00:13:38,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2880 states. [2018-10-27 00:13:38,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 3936 transitions. [2018-10-27 00:13:38,952 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 3936 transitions. Word has length 117 [2018-10-27 00:13:38,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:13:38,953 INFO L481 AbstractCegarLoop]: Abstraction has 2880 states and 3936 transitions. [2018-10-27 00:13:38,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:13:38,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 3936 transitions. [2018-10-27 00:13:38,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:13:38,955 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:13:38,956 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:13:38,956 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:13:38,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:13:38,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1253038034, now seen corresponding path program 1 times [2018-10-27 00:13:38,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:13:38,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:13:38,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:13:38,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:13:38,958 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:13:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:13:39,229 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:13:39,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:13:39,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:13:39,230 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:13:39,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:13:39,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:13:39,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:13:39,232 INFO L87 Difference]: Start difference. First operand 2880 states and 3936 transitions. Second operand 4 states. [2018-10-27 00:13:44,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:13:44,859 INFO L93 Difference]: Finished difference Result 5754 states and 7882 transitions. [2018-10-27 00:13:44,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:13:44,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2018-10-27 00:13:44,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:13:44,881 INFO L225 Difference]: With dead ends: 5754 [2018-10-27 00:13:44,882 INFO L226 Difference]: Without dead ends: 2880 [2018-10-27 00:13:44,893 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 [2018-10-27 00:13:44,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2018-10-27 00:13:44,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2880. [2018-10-27 00:13:44,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2880 states. [2018-10-27 00:13:44,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 3720 transitions. [2018-10-27 00:13:44,969 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 3720 transitions. Word has length 147 [2018-10-27 00:13:44,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:13:44,974 INFO L481 AbstractCegarLoop]: Abstraction has 2880 states and 3720 transitions. [2018-10-27 00:13:44,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:13:44,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 3720 transitions. [2018-10-27 00:13:44,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-27 00:13:44,977 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:13:44,977 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 00:13:44,978 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:13:44,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:13:44,978 INFO L82 PathProgramCache]: Analyzing trace with hash 535521912, now seen corresponding path program 1 times [2018-10-27 00:13:44,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:13:44,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:13:44,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:13:44,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:13:44,981 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:13:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:13:45,253 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-27 00:13:45,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:13:45,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:13:45,253 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:13:45,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:13:45,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:13:45,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:13:45,255 INFO L87 Difference]: Start difference. First operand 2880 states and 3720 transitions. Second operand 4 states. [2018-10-27 00:13:53,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:13:53,578 INFO L93 Difference]: Finished difference Result 11062 states and 14732 transitions. [2018-10-27 00:13:53,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:13:53,580 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 201 [2018-10-27 00:13:53,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:13:53,616 INFO L225 Difference]: With dead ends: 11062 [2018-10-27 00:13:53,616 INFO L226 Difference]: Without dead ends: 8188 [2018-10-27 00:13:53,627 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 [2018-10-27 00:13:53,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8188 states. [2018-10-27 00:13:53,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8188 to 8188. [2018-10-27 00:13:53,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8188 states. [2018-10-27 00:13:53,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8188 states to 8188 states and 10116 transitions. [2018-10-27 00:13:53,830 INFO L78 Accepts]: Start accepts. Automaton has 8188 states and 10116 transitions. Word has length 201 [2018-10-27 00:13:53,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:13:53,831 INFO L481 AbstractCegarLoop]: Abstraction has 8188 states and 10116 transitions. [2018-10-27 00:13:53,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:13:53,831 INFO L276 IsEmpty]: Start isEmpty. Operand 8188 states and 10116 transitions. [2018-10-27 00:13:53,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 00:13:53,838 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:13:53,838 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 00:13:53,839 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:13:53,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:13:53,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1601051847, now seen corresponding path program 1 times [2018-10-27 00:13:53,839 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:13:53,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:13:53,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:13:53,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:13:53,841 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:13:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:13:54,525 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 00:13:54,679 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 60 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:13:54,680 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:13:54,680 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:13:54,681 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-10-27 00:13:54,683 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [906], [908], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1231], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1283], [1287], [1291], [1295], [1299], [1303], [1307], [1318], [1322], [1326], [1330], [1334], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-27 00:13:54,768 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:13:54,768 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:13:57,337 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 00:13:57,808 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:13:57,809 INFO L272 AbstractInterpreter]: Visited 115 different actions 115 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-27 00:13:57,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:13:57,824 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:14:00,096 INFO L227 lantSequenceWeakener]: Weakened 216 states. On average, predicates are now at 75.4% of their original sizes. [2018-10-27 00:14:00,097 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 00:14:00,548 INFO L415 sIntCurrentIteration]: We unified 223 AI predicates to 223 [2018-10-27 00:14:00,548 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 00:14:00,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 00:14:00,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-10-27 00:14:00,550 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:14:00,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 00:14:00,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 00:14:00,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:14:00,551 INFO L87 Difference]: Start difference. First operand 8188 states and 10116 transitions. Second operand 8 states. [2018-10-27 00:16:39,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:16:39,799 INFO L93 Difference]: Finished difference Result 16806 states and 20694 transitions. [2018-10-27 00:16:39,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:16:39,799 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 224 [2018-10-27 00:16:39,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:16:39,836 INFO L225 Difference]: With dead ends: 16806 [2018-10-27 00:16:39,836 INFO L226 Difference]: Without dead ends: 8624 [2018-10-27 00:16:39,860 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 225 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-27 00:16:39,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2018-10-27 00:16:40,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 8622. [2018-10-27 00:16:40,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8622 states. [2018-10-27 00:16:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8622 states to 8622 states and 10561 transitions. [2018-10-27 00:16:40,072 INFO L78 Accepts]: Start accepts. Automaton has 8622 states and 10561 transitions. Word has length 224 [2018-10-27 00:16:40,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:16:40,073 INFO L481 AbstractCegarLoop]: Abstraction has 8622 states and 10561 transitions. [2018-10-27 00:16:40,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 00:16:40,073 INFO L276 IsEmpty]: Start isEmpty. Operand 8622 states and 10561 transitions. [2018-10-27 00:16:40,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-27 00:16:40,082 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:16:40,082 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:16:40,083 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:16:40,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:16:40,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1873400049, now seen corresponding path program 1 times [2018-10-27 00:16:40,084 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:16:40,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:16:40,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:16:40,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:16:40,085 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:16:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 100 proven. 142 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 00:16:40,857 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:16:40,857 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:16:40,857 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 277 with the following transitions: [2018-10-27 00:16:40,858 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [906], [908], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [1224], [1227], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1282], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-27 00:16:40,866 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:16:40,867 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:16:42,176 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-27 00:16:53,489 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-10-27 00:16:53,490 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-10-27 00:16:53,491 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 00:16:53,491 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:16:53,491 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 00:16:53,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:16:53,501 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 00:16:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:53,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:16:53,633 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-27 00:16:53,834 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 00:16:53,834 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 00:16:53,840 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 00:16:53,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:16:53 BoogieIcfgContainer [2018-10-27 00:16:53,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:16:53,841 INFO L168 Benchmark]: Toolchain (without parser) took 239471.97 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -800.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-27 00:16:53,843 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 00:16:53,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1833.43 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-27 00:16:53,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 536.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -902.6 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. [2018-10-27 00:16:53,845 INFO L168 Benchmark]: Boogie Preprocessor took 333.15 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. [2018-10-27 00:16:53,846 INFO L168 Benchmark]: RCFGBuilder took 14086.39 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 471.1 MB). Peak memory consumption was 471.1 MB. Max. memory is 7.1 GB. [2018-10-27 00:16:53,848 INFO L168 Benchmark]: TraceAbstraction took 222668.80 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 1.6 GB in the beginning and 2.2 GB in the end (delta: -549.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-27 00:16:53,854 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1833.43 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 536.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -902.6 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 333.15 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 14086.39 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 471.1 MB). Peak memory consumption was 471.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 222668.80 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 1.6 GB in the beginning and 2.2 GB in the end (delta: -549.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 98). Cancelled while BasicCegarLoop was analyzing trace of length 277 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while XnfDer was eliminating 1 quantified variables from 2 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 222.5s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 199.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2675 SDtfs, 7918 SDslu, 1713 SDs, 0 SdLazy, 14713 SolverSat, 3167 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 159.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 261 GetRequests, 231 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8622occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 15.7s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9956536736805794 AbsIntWeakeningRatio, 0.1210762331838565 AbsIntAvgWeakeningVarsNumRemoved, 1045.2286995515694 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 543 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 839 NumberOfCodeBlocks, 839 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 833 ConstructedInterpolants, 0 QuantifiedInterpolants, 669598 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 291/363 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown