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-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label40_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 15:22:22,368 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 15:22:22,370 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 15:22:22,389 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 15:22:22,389 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 15:22:22,391 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 15:22:22,394 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 15:22:22,397 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 15:22:22,400 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 15:22:22,401 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 15:22:22,402 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 15:22:22,402 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 15:22:22,410 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 15:22:22,411 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 15:22:22,413 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 15:22:22,413 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 15:22:22,415 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 15:22:22,417 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 15:22:22,423 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 15:22:22,427 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 15:22:22,428 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 15:22:22,429 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 15:22:22,432 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-27 15:22:22,442 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 15:22:22,443 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 15:22:22,443 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 15:22:22,444 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 15:22:22,444 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-10-27 15:22:22,474 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 15:22:22,474 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 15:22:22,478 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 15:22:22,478 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 15:22:22,478 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 15:22:22,479 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 15:22:22,479 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 15:22:22,479 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 15:22:22,479 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 15:22:22,480 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 15:22:22,480 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 15:22:22,481 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 15:22:22,481 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 15:22:22,482 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 15:22:22,482 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 15:22:22,482 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 15:22:22,482 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 15:22:22,482 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 15:22:22,483 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 15:22:22,485 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 15:22:22,485 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 15:22:22,485 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 15:22:22,485 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 15:22:22,486 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 15:22:22,486 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 15:22:22,486 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 15:22:22,486 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 15:22:22,486 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 15:22:22,487 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 15:22:22,487 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 15:22:22,487 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 15:22:22,487 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 15:22:22,487 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 15:22:22,489 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 15:22:22,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 15:22:22,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 15:22:22,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 15:22:22,571 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 15:22:22,572 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 15:22:22,572 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label40_true-unreach-call.c [2018-10-27 15:22:22,628 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e23385f89/0c65754d4a5b42eda0b3133c06ca2503/FLAGcbbbd3722 [2018-10-27 15:22:23,468 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 15:22:23,469 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label40_true-unreach-call.c [2018-10-27 15:22:23,511 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e23385f89/0c65754d4a5b42eda0b3133c06ca2503/FLAGcbbbd3722 [2018-10-27 15:22:23,527 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e23385f89/0c65754d4a5b42eda0b3133c06ca2503 [2018-10-27 15:22:23,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 15:22:23,540 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 15:22:23,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 15:22:23,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 15:22:23,545 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 15:22:23,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:22:23" (1/1) ... [2018-10-27 15:22:23,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c12104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:23, skipping insertion in model container [2018-10-27 15:22:23,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:22:23" (1/1) ... [2018-10-27 15:22:23,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 15:22:23,827 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 15:22:25,831 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 15:22:25,837 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 15:22:27,055 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 15:22:27,110 INFO L193 MainTranslator]: Completed translation [2018-10-27 15:22:27,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:27 WrapperNode [2018-10-27 15:22:27,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 15:22:27,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 15:22:27,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 15:22:27,112 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 15:22:27,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:27" (1/1) ... [2018-10-27 15:22:27,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:27" (1/1) ... [2018-10-27 15:22:27,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 15:22:27,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 15:22:27,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 15:22:27,871 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 15:22:27,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:27" (1/1) ... [2018-10-27 15:22:27,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:27" (1/1) ... [2018-10-27 15:22:27,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:27" (1/1) ... [2018-10-27 15:22:27,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:27" (1/1) ... [2018-10-27 15:22:28,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:27" (1/1) ... [2018-10-27 15:22:28,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:27" (1/1) ... [2018-10-27 15:22:28,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:27" (1/1) ... [2018-10-27 15:22:28,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 15:22:28,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 15:22:28,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 15:22:28,303 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 15:22:28,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:27" (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 15:22:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 15:22:28,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 15:22:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-27 15:22:28,377 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-27 15:22:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-27 15:22:28,378 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-27 15:22:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-27 15:22:28,378 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-27 15:22:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-27 15:22:28,378 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-27 15:22:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 15:22:28,379 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 15:22:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 15:22:28,380 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 15:22:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 15:22:28,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 15:22:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 15:22:28,381 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 15:22:47,043 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 15:22:47,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:22:47 BoogieIcfgContainer [2018-10-27 15:22:47,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 15:22:47,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 15:22:47,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 15:22:47,049 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 15:22:47,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:22:23" (1/3) ... [2018-10-27 15:22:47,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e4871f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:22:47, skipping insertion in model container [2018-10-27 15:22:47,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:27" (2/3) ... [2018-10-27 15:22:47,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e4871f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:22:47, skipping insertion in model container [2018-10-27 15:22:47,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:22:47" (3/3) ... [2018-10-27 15:22:47,053 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label40_true-unreach-call.c [2018-10-27 15:22:47,063 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 15:22:47,076 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 15:22:47,094 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 15:22:47,154 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 15:22:47,154 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 15:22:47,154 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 15:22:47,155 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 15:22:47,155 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 15:22:47,155 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 15:22:47,155 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 15:22:47,155 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 15:22:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-27 15:22:47,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-27 15:22:47,229 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:22:47,230 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:22:47,233 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:22:47,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:22:47,238 INFO L82 PathProgramCache]: Analyzing trace with hash 779425490, now seen corresponding path program 1 times [2018-10-27 15:22:47,241 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:22:47,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:22:47,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:22:47,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:22:47,296 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:22:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:22:47,738 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 15:22:47,867 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 15:22:47,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 15:22:47,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 15:22:47,870 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:22:47,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 15:22:47,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 15:22:47,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 15:22:47,896 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-27 15:23:02,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:23:02,955 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-10-27 15:23:02,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 15:23:02,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-10-27 15:23:02,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:23:03,007 INFO L225 Difference]: With dead ends: 4998 [2018-10-27 15:23:03,008 INFO L226 Difference]: Without dead ends: 3218 [2018-10-27 15:23:03,021 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 [2018-10-27 15:23:03,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-10-27 15:23:03,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-10-27 15:23:03,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-10-27 15:23:03,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-10-27 15:23:03,225 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 53 [2018-10-27 15:23:03,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:23:03,226 INFO L481 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-10-27 15:23:03,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 15:23:03,227 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-10-27 15:23:03,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-27 15:23:03,234 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:23:03,235 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:03,235 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:23:03,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:23:03,236 INFO L82 PathProgramCache]: Analyzing trace with hash 401616796, now seen corresponding path program 1 times [2018-10-27 15:23:03,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:23:03,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:23:03,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:23:03,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:23:03,238 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:23:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:23:03,612 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 15:23:04,000 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 15:23:04,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 15:23:04,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 15:23:04,001 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:23:04,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 15:23:04,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 15:23:04,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 15:23:04,005 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-10-27 15:23:33,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:23:33,488 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-10-27 15:23:33,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 15:23:33,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-10-27 15:23:33,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:23:33,532 INFO L225 Difference]: With dead ends: 9340 [2018-10-27 15:23:33,533 INFO L226 Difference]: Without dead ends: 6131 [2018-10-27 15:23:33,544 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 15:23:33,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-10-27 15:23:33,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-10-27 15:23:33,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-10-27 15:23:33,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-10-27 15:23:33,720 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 125 [2018-10-27 15:23:33,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:23:33,721 INFO L481 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-10-27 15:23:33,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 15:23:33,721 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-10-27 15:23:33,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-27 15:23:33,725 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:23:33,726 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:33,726 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:23:33,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:23:33,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1122712729, now seen corresponding path program 1 times [2018-10-27 15:23:33,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:23:33,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:23:33,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:23:33,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:23:33,728 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:23:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:23:34,054 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 15:23:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 15:23:34,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 15:23:34,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 15:23:34,109 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:23:34,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 15:23:34,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 15:23:34,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 15:23:34,111 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-10-27 15:23:57,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:23:57,793 INFO L93 Difference]: Finished difference Result 21091 states and 34228 transitions. [2018-10-27 15:23:57,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 15:23:57,794 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-10-27 15:23:57,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:23:57,869 INFO L225 Difference]: With dead ends: 21091 [2018-10-27 15:23:57,870 INFO L226 Difference]: Without dead ends: 15006 [2018-10-27 15:23:57,894 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 15:23:57,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15006 states. [2018-10-27 15:23:58,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15006 to 14817. [2018-10-27 15:23:58,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14817 states. [2018-10-27 15:23:58,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14817 states to 14817 states and 22424 transitions. [2018-10-27 15:23:58,280 INFO L78 Accepts]: Start accepts. Automaton has 14817 states and 22424 transitions. Word has length 127 [2018-10-27 15:23:58,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:23:58,281 INFO L481 AbstractCegarLoop]: Abstraction has 14817 states and 22424 transitions. [2018-10-27 15:23:58,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 15:23:58,281 INFO L276 IsEmpty]: Start isEmpty. Operand 14817 states and 22424 transitions. [2018-10-27 15:23:58,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 15:23:58,289 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:23:58,289 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:58,289 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:23:58,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:23:58,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1500340952, now seen corresponding path program 1 times [2018-10-27 15:23:58,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:23:58,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:23:58,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:23:58,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:23:58,296 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:23:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:23:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 15:23:58,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 15:23:58,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 15:23:58,683 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:23:58,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 15:23:58,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 15:23:58,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-27 15:23:58,684 INFO L87 Difference]: Start difference. First operand 14817 states and 22424 transitions. Second operand 6 states. [2018-10-27 15:24:53,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:24:53,542 INFO L93 Difference]: Finished difference Result 58684 states and 93370 transitions. [2018-10-27 15:24:53,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 15:24:53,542 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-10-27 15:24:53,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:24:53,760 INFO L225 Difference]: With dead ends: 58684 [2018-10-27 15:24:53,761 INFO L226 Difference]: Without dead ends: 43873 [2018-10-27 15:24:53,841 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-27 15:24:53,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43873 states. [2018-10-27 15:24:54,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43873 to 43779. [2018-10-27 15:24:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43779 states. [2018-10-27 15:24:55,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43779 states to 43779 states and 63266 transitions. [2018-10-27 15:24:55,123 INFO L78 Accepts]: Start accepts. Automaton has 43779 states and 63266 transitions. Word has length 149 [2018-10-27 15:24:55,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:24:55,123 INFO L481 AbstractCegarLoop]: Abstraction has 43779 states and 63266 transitions. [2018-10-27 15:24:55,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 15:24:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 43779 states and 63266 transitions. [2018-10-27 15:24:55,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 15:24:55,129 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:24:55,129 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:55,129 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:24:55,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:24:55,130 INFO L82 PathProgramCache]: Analyzing trace with hash 463189276, now seen corresponding path program 1 times [2018-10-27 15:24:55,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:24:55,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:24:55,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:24:55,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:24:55,135 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:24:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:24:55,468 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 15:24:55,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 15:24:55,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 15:24:55,469 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:24:55,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 15:24:55,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 15:24:55,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 15:24:55,470 INFO L87 Difference]: Start difference. First operand 43779 states and 63266 transitions. Second operand 5 states. [2018-10-27 15:25:28,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:25:28,606 INFO L93 Difference]: Finished difference Result 132704 states and 204434 transitions. [2018-10-27 15:25:28,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 15:25:28,608 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2018-10-27 15:25:28,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:25:28,931 INFO L225 Difference]: With dead ends: 132704 [2018-10-27 15:25:28,932 INFO L226 Difference]: Without dead ends: 88931 [2018-10-27 15:25:29,027 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 15:25:29,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88931 states. [2018-10-27 15:25:30,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88931 to 88211. [2018-10-27 15:25:30,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88211 states. [2018-10-27 15:25:30,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88211 states to 88211 states and 122114 transitions. [2018-10-27 15:25:30,986 INFO L78 Accepts]: Start accepts. Automaton has 88211 states and 122114 transitions. Word has length 158 [2018-10-27 15:25:30,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:25:30,986 INFO L481 AbstractCegarLoop]: Abstraction has 88211 states and 122114 transitions. [2018-10-27 15:25:30,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 15:25:30,989 INFO L276 IsEmpty]: Start isEmpty. Operand 88211 states and 122114 transitions. [2018-10-27 15:25:30,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-27 15:25:30,996 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:25:30,997 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:25:30,997 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:25:30,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:25:30,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1081973083, now seen corresponding path program 1 times [2018-10-27 15:25:30,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:25:30,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:25:30,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:25:30,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:25:30,999 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:25:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:25:31,316 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 15:25:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 15:25:31,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 15:25:31,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 15:25:31,724 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:25:31,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 15:25:31,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 15:25:31,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 15:25:31,725 INFO L87 Difference]: Start difference. First operand 88211 states and 122114 transitions. Second operand 6 states. [2018-10-27 15:25:57,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:25:57,139 INFO L93 Difference]: Finished difference Result 208099 states and 304624 transitions. [2018-10-27 15:25:57,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 15:25:57,140 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 186 [2018-10-27 15:25:57,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:25:57,497 INFO L225 Difference]: With dead ends: 208099 [2018-10-27 15:25:57,497 INFO L226 Difference]: Without dead ends: 119894 [2018-10-27 15:25:57,675 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 15:25:57,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119894 states. [2018-10-27 15:25:59,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119894 to 119539. [2018-10-27 15:25:59,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119539 states. [2018-10-27 15:26:00,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119539 states to 119539 states and 161762 transitions. [2018-10-27 15:26:00,968 INFO L78 Accepts]: Start accepts. Automaton has 119539 states and 161762 transitions. Word has length 186 [2018-10-27 15:26:00,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:26:00,969 INFO L481 AbstractCegarLoop]: Abstraction has 119539 states and 161762 transitions. [2018-10-27 15:26:00,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 15:26:00,969 INFO L276 IsEmpty]: Start isEmpty. Operand 119539 states and 161762 transitions. [2018-10-27 15:26:00,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 15:26:00,987 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:26:00,987 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-27 15:26:00,987 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:26:00,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:26:00,988 INFO L82 PathProgramCache]: Analyzing trace with hash 106766042, now seen corresponding path program 1 times [2018-10-27 15:26:00,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:26:00,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:26:00,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:26:00,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:26:00,990 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:26:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:26:01,274 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 15:26:01,671 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 92 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 15:26:01,671 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:26:01,671 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:26:01,672 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-10-27 15:26:01,677 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5550], [5552], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5722], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5877], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-27 15:26:01,726 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 15:26:01,726 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 15:26:02,312 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 15:26:02,320 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 15:26:02,323 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-27 15:26:02,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:26:02,366 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 15:26:02,951 INFO L227 lantSequenceWeakener]: Weakened 213 states. On average, predicates are now at 75.6% of their original sizes. [2018-10-27 15:26:02,953 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 15:26:03,172 INFO L415 sIntCurrentIteration]: We unified 223 AI predicates to 223 [2018-10-27 15:26:03,173 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 15:26:03,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 15:26:03,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-27 15:26:03,174 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:26:03,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 15:26:03,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 15:26:03,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-27 15:26:03,175 INFO L87 Difference]: Start difference. First operand 119539 states and 161762 transitions. Second operand 7 states. Received shutdown request... [2018-10-27 15:26:15,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 15:26:15,877 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 15:26:15,883 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 15:26:15,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:26:15 BoogieIcfgContainer [2018-10-27 15:26:15,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 15:26:15,884 INFO L168 Benchmark]: Toolchain (without parser) took 232345.15 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -830.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-27 15:26:15,886 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-10-27 15:26:15,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3569.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. [2018-10-27 15:26:15,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 758.88 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 876.6 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. [2018-10-27 15:26:15,888 INFO L168 Benchmark]: Boogie Preprocessor took 431.47 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 7.1 GB. [2018-10-27 15:26:15,889 INFO L168 Benchmark]: RCFGBuilder took 18741.82 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 160.4 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 528.5 MB). Peak memory consumption was 688.9 MB. Max. memory is 7.1 GB. [2018-10-27 15:26:15,890 INFO L168 Benchmark]: TraceAbstraction took 208838.26 ms. Allocated memory was 2.6 GB in the beginning and 3.9 GB in the end (delta: 1.3 GB). Free memory was 1.7 GB in the beginning and 2.2 GB in the end (delta: -526.9 MB). Peak memory consumption was 773.8 MB. Max. memory is 7.1 GB. [2018-10-27 15:26:15,896 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 3569.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 758.88 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 876.6 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 431.47 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18741.82 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 160.4 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 528.5 MB). Peak memory consumption was 688.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 208838.26 ms. Allocated memory was 2.6 GB in the beginning and 3.9 GB in the end (delta: 1.3 GB). Free memory was 1.7 GB in the beginning and 2.2 GB in the end (delta: -526.9 MB). Peak memory consumption was 773.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 154). Cancelled while BasicCegarLoop was constructing difference of abstraction (119539states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (7492 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 208.7s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 195.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3684 SDtfs, 38730 SDslu, 4276 SDs, 0 SdLazy, 65844 SolverSat, 15590 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 163.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 276 GetRequests, 232 SyntacticMatches, 5 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119539occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9978789651240423 AbsIntWeakeningRatio, 0.12556053811659193 AbsIntAvgWeakeningVarsNumRemoved, 19.30493273542601 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 7.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 1401 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1022 NumberOfCodeBlocks, 1022 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1015 ConstructedInterpolants, 0 QuantifiedInterpolants, 662486 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 327/392 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown