java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem18_label42_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 21:14:59,540 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 21:14:59,542 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 21:14:59,555 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 21:14:59,556 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 21:14:59,557 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 21:14:59,560 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 21:14:59,563 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 21:14:59,566 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 21:14:59,567 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 21:14:59,568 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 21:14:59,569 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 21:14:59,575 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 21:14:59,576 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 21:14:59,580 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 21:14:59,581 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 21:14:59,582 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 21:14:59,588 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 21:14:59,592 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 21:14:59,596 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 21:14:59,597 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 21:14:59,599 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 21:14:59,603 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 21:14:59,603 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 21:14:59,603 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 21:14:59,604 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 21:14:59,608 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 21:14:59,609 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 21:14:59,610 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 21:14:59,612 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 21:14:59,613 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 21:14:59,615 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 21:14:59,615 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 21:14:59,615 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 21:14:59,617 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 21:14:59,618 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 21:14:59,618 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 21:14:59,647 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 21:14:59,647 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 21:14:59,649 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 21:14:59,649 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 21:14:59,649 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 21:14:59,649 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 21:14:59,649 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 21:14:59,649 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 21:14:59,650 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 21:14:59,650 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 21:14:59,650 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 21:14:59,650 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 21:14:59,650 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 21:14:59,651 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 21:14:59,651 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 21:14:59,651 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 21:14:59,653 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 21:14:59,653 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 21:14:59,653 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 21:14:59,653 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 21:14:59,653 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 21:14:59,654 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 21:14:59,654 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 21:14:59,654 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 21:14:59,654 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 21:14:59,654 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 21:14:59,655 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 21:14:59,655 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 21:14:59,655 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 21:14:59,655 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 21:14:59,656 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 21:14:59,656 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 21:14:59,656 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 21:14:59,656 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 21:14:59,656 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 21:14:59,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 21:14:59,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 21:14:59,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 21:14:59,733 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 21:14:59,733 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 21:14:59,735 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label42_true-unreach-call.c [2018-11-07 21:14:59,795 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/182c21344/472b98209fae4f6182ebd092c8db945d/FLAG870e88580 [2018-11-07 21:15:00,494 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 21:15:00,495 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label42_true-unreach-call.c [2018-11-07 21:15:00,520 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/182c21344/472b98209fae4f6182ebd092c8db945d/FLAG870e88580 [2018-11-07 21:15:00,537 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/182c21344/472b98209fae4f6182ebd092c8db945d [2018-11-07 21:15:00,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 21:15:00,550 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 21:15:00,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 21:15:00,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 21:15:00,555 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 21:15:00,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:15:00" (1/1) ... [2018-11-07 21:15:00,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5f1b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:00, skipping insertion in model container [2018-11-07 21:15:00,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:15:00" (1/1) ... [2018-11-07 21:15:00,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 21:15:00,709 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 21:15:01,883 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 21:15:01,888 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 21:15:02,387 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 21:15:02,421 INFO L193 MainTranslator]: Completed translation [2018-11-07 21:15:02,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:02 WrapperNode [2018-11-07 21:15:02,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 21:15:02,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 21:15:02,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 21:15:02,423 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 21:15:02,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:02" (1/1) ... [2018-11-07 21:15:02,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:02" (1/1) ... [2018-11-07 21:15:02,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 21:15:02,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 21:15:02,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 21:15:02,736 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 21:15:02,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:02" (1/1) ... [2018-11-07 21:15:02,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:02" (1/1) ... [2018-11-07 21:15:02,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:02" (1/1) ... [2018-11-07 21:15:02,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:02" (1/1) ... [2018-11-07 21:15:02,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:02" (1/1) ... [2018-11-07 21:15:02,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:02" (1/1) ... [2018-11-07 21:15:02,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:02" (1/1) ... [2018-11-07 21:15:02,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 21:15:02,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 21:15:02,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 21:15:02,982 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 21:15:02,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 21:15:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 21:15:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 21:15:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 21:15:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 21:15:03,062 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 21:15:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 21:15:03,062 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 21:15:03,062 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 21:15:03,063 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 21:15:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 21:15:03,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 21:15:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 21:15:03,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 21:15:11,178 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 21:15:11,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:15:11 BoogieIcfgContainer [2018-11-07 21:15:11,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 21:15:11,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 21:15:11,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 21:15:11,184 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 21:15:11,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:15:00" (1/3) ... [2018-11-07 21:15:11,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74ee9791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:15:11, skipping insertion in model container [2018-11-07 21:15:11,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:15:02" (2/3) ... [2018-11-07 21:15:11,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74ee9791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:15:11, skipping insertion in model container [2018-11-07 21:15:11,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:15:11" (3/3) ... [2018-11-07 21:15:11,187 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem18_label42_true-unreach-call.c [2018-11-07 21:15:11,198 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 21:15:11,208 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 21:15:11,225 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 21:15:11,272 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 21:15:11,273 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 21:15:11,273 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 21:15:11,273 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 21:15:11,273 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 21:15:11,273 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 21:15:11,274 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 21:15:11,274 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 21:15:11,313 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2018-11-07 21:15:11,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-07 21:15:11,323 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 21:15:11,324 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 21:15:11,327 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 21:15:11,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:15:11,336 INFO L82 PathProgramCache]: Analyzing trace with hash -385321844, now seen corresponding path program 1 times [2018-11-07 21:15:11,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 21:15:11,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:15:11,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 21:15:11,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:15:11,398 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 21:15:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 21:15:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 21:15:11,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 21:15:11,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 21:15:11,857 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 21:15:11,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 21:15:11,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 21:15:11,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 21:15:11,886 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 3 states. [2018-11-07 21:15:19,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 21:15:19,185 INFO L93 Difference]: Finished difference Result 2251 states and 4322 transitions. [2018-11-07 21:15:19,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 21:15:19,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2018-11-07 21:15:19,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 21:15:19,216 INFO L225 Difference]: With dead ends: 2251 [2018-11-07 21:15:19,216 INFO L226 Difference]: Without dead ends: 1474 [2018-11-07 21:15:19,225 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 21:15:19,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2018-11-07 21:15:19,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1474. [2018-11-07 21:15:19,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1474 states. [2018-11-07 21:15:19,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2801 transitions. [2018-11-07 21:15:19,400 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2801 transitions. Word has length 56 [2018-11-07 21:15:19,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 21:15:19,401 INFO L480 AbstractCegarLoop]: Abstraction has 1474 states and 2801 transitions. [2018-11-07 21:15:19,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 21:15:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2801 transitions. [2018-11-07 21:15:19,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-07 21:15:19,424 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 21:15:19,424 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 21:15:19,425 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 21:15:19,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:15:19,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1814229039, now seen corresponding path program 1 times [2018-11-07 21:15:19,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 21:15:19,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:15:19,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 21:15:19,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:15:19,429 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 21:15:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 21:15:19,751 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 21:15:19,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 21:15:19,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 21:15:19,752 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 21:15:19,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 21:15:19,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 21:15:19,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 21:15:19,754 INFO L87 Difference]: Start difference. First operand 1474 states and 2801 transitions. Second operand 6 states. [2018-11-07 21:15:29,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 21:15:29,342 INFO L93 Difference]: Finished difference Result 4422 states and 8490 transitions. [2018-11-07 21:15:29,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 21:15:29,344 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-11-07 21:15:29,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 21:15:29,364 INFO L225 Difference]: With dead ends: 4422 [2018-11-07 21:15:29,364 INFO L226 Difference]: Without dead ends: 2954 [2018-11-07 21:15:29,369 INFO L604 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 [2018-11-07 21:15:29,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2954 states. [2018-11-07 21:15:29,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2954 to 2928. [2018-11-07 21:15:29,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2928 states. [2018-11-07 21:15:29,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 5043 transitions. [2018-11-07 21:15:29,456 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 5043 transitions. Word has length 131 [2018-11-07 21:15:29,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 21:15:29,457 INFO L480 AbstractCegarLoop]: Abstraction has 2928 states and 5043 transitions. [2018-11-07 21:15:29,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 21:15:29,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 5043 transitions. [2018-11-07 21:15:29,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-07 21:15:29,462 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 21:15:29,464 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 21:15:29,464 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 21:15:29,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:15:29,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1830585943, now seen corresponding path program 1 times [2018-11-07 21:15:29,465 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 21:15:29,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:15:29,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 21:15:29,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:15:29,466 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 21:15:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 21:15:29,742 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 21:15:29,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 21:15:29,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 21:15:29,743 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 21:15:29,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 21:15:29,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 21:15:29,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 21:15:29,744 INFO L87 Difference]: Start difference. First operand 2928 states and 5043 transitions. Second operand 6 states. [2018-11-07 21:15:34,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 21:15:34,984 INFO L93 Difference]: Finished difference Result 7337 states and 12456 transitions. [2018-11-07 21:15:34,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 21:15:34,987 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-11-07 21:15:34,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 21:15:35,013 INFO L225 Difference]: With dead ends: 7337 [2018-11-07 21:15:35,014 INFO L226 Difference]: Without dead ends: 4415 [2018-11-07 21:15:35,022 INFO L604 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 [2018-11-07 21:15:35,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4415 states. [2018-11-07 21:15:35,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4415 to 4397. [2018-11-07 21:15:35,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4397 states. [2018-11-07 21:15:35,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4397 states to 4397 states and 6494 transitions. [2018-11-07 21:15:35,135 INFO L78 Accepts]: Start accepts. Automaton has 4397 states and 6494 transitions. Word has length 143 [2018-11-07 21:15:35,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 21:15:35,136 INFO L480 AbstractCegarLoop]: Abstraction has 4397 states and 6494 transitions. [2018-11-07 21:15:35,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 21:15:35,138 INFO L276 IsEmpty]: Start isEmpty. Operand 4397 states and 6494 transitions. [2018-11-07 21:15:35,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-07 21:15:35,141 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 21:15:35,142 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 21:15:35,142 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 21:15:35,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:15:35,142 INFO L82 PathProgramCache]: Analyzing trace with hash 215050342, now seen corresponding path program 1 times [2018-11-07 21:15:35,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 21:15:35,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:15:35,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 21:15:35,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:15:35,144 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 21:15:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 21:15:35,440 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 21:15:35,559 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 21:15:35,560 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 21:15:35,560 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 21:15:35,560 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-11-07 21:15:35,563 INFO L202 CegarAbsIntRunner]: [0], [1], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1943], [1951], [1959], [1967], [1971], [1973], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2284], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-11-07 21:15:35,610 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 21:15:35,610 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 21:15:36,253 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 21:15:36,254 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 21:15:36,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:15:36,299 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 21:15:36,809 INFO L227 lantSequenceWeakener]: Weakened 162 states. On average, predicates are now at 78.28% of their original sizes. [2018-11-07 21:15:36,810 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 21:15:36,905 INFO L415 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2018-11-07 21:15:36,905 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 21:15:36,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 21:15:36,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2018-11-07 21:15:36,906 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 21:15:36,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 21:15:36,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 21:15:36,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 21:15:36,908 INFO L87 Difference]: Start difference. First operand 4397 states and 6494 transitions. Second operand 7 states. [2018-11-07 21:15:47,438 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 21:16:15,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 21:16:15,585 INFO L93 Difference]: Finished difference Result 9493 states and 13867 transitions. [2018-11-07 21:16:15,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 21:16:15,585 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 168 [2018-11-07 21:16:15,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 21:16:15,607 INFO L225 Difference]: With dead ends: 9493 [2018-11-07 21:16:15,607 INFO L226 Difference]: Without dead ends: 5102 [2018-11-07 21:16:15,619 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-07 21:16:15,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5102 states. [2018-11-07 21:16:15,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5102 to 5100. [2018-11-07 21:16:15,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5100 states. [2018-11-07 21:16:15,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5100 states to 5100 states and 7209 transitions. [2018-11-07 21:16:15,744 INFO L78 Accepts]: Start accepts. Automaton has 5100 states and 7209 transitions. Word has length 168 [2018-11-07 21:16:15,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 21:16:15,745 INFO L480 AbstractCegarLoop]: Abstraction has 5100 states and 7209 transitions. [2018-11-07 21:16:15,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 21:16:15,745 INFO L276 IsEmpty]: Start isEmpty. Operand 5100 states and 7209 transitions. [2018-11-07 21:16:15,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-11-07 21:16:15,751 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 21:16:15,752 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 21:16:15,752 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 21:16:15,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:16:15,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1101070807, now seen corresponding path program 1 times [2018-11-07 21:16:15,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 21:16:15,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:16:15,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 21:16:15,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:16:15,754 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 21:16:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 21:16:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 152 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 21:16:16,849 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 21:16:16,849 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 21:16:16,849 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 356 with the following transitions: [2018-11-07 21:16:16,850 INFO L202 CegarAbsIntRunner]: [0], [1], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1943], [1951], [1959], [1967], [1971], [1973], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2284], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2584], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-11-07 21:16:16,859 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 21:16:16,859 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 21:16:17,413 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 21:16:17,413 INFO L272 AbstractInterpreter]: Visited 195 different actions 383 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 21:16:17,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:16:17,438 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 21:16:18,546 INFO L227 lantSequenceWeakener]: Weakened 68 states. On average, predicates are now at 78.07% of their original sizes. [2018-11-07 21:16:18,546 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 21:16:20,143 INFO L415 sIntCurrentIteration]: We unified 354 AI predicates to 354 [2018-11-07 21:16:20,143 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 21:16:20,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 21:16:20,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [11] total 26 [2018-11-07 21:16:20,144 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 21:16:20,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-07 21:16:20,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-07 21:16:20,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-07 21:16:20,145 INFO L87 Difference]: Start difference. First operand 5100 states and 7209 transitions. Second operand 17 states. [2018-11-07 21:16:51,366 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 21:17:14,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 21:17:14,447 INFO L93 Difference]: Finished difference Result 11992 states and 16819 transitions. [2018-11-07 21:17:14,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-07 21:17:14,447 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 355 [2018-11-07 21:17:14,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 21:17:14,475 INFO L225 Difference]: With dead ends: 11992 [2018-11-07 21:17:14,476 INFO L226 Difference]: Without dead ends: 7601 [2018-11-07 21:17:14,488 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 365 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2018-11-07 21:17:14,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7601 states. [2018-11-07 21:17:14,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7601 to 7364. [2018-11-07 21:17:14,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7364 states. [2018-11-07 21:17:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7364 states to 7364 states and 9513 transitions. [2018-11-07 21:17:14,647 INFO L78 Accepts]: Start accepts. Automaton has 7364 states and 9513 transitions. Word has length 355 [2018-11-07 21:17:14,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 21:17:14,648 INFO L480 AbstractCegarLoop]: Abstraction has 7364 states and 9513 transitions. [2018-11-07 21:17:14,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-07 21:17:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 7364 states and 9513 transitions. [2018-11-07 21:17:14,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2018-11-07 21:17:14,663 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 21:17:14,664 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 21:17:14,664 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 21:17:14,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:17:14,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1760472468, now seen corresponding path program 1 times [2018-11-07 21:17:14,665 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 21:17:14,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:17:14,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 21:17:14,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:17:14,666 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 21:17:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 21:17:15,134 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 21:17:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 21:17:16,254 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 21:17:16,254 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 21:17:16,254 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 585 with the following transitions: [2018-11-07 21:17:16,255 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [37], [739], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [792], [796], [800], [804], [808], [812], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [920], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [964], [968], [972], [976], [980], [984], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1384], [1388], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1468], [1472], [1476], [1480], [1484], [1488], [1492], [1496], [1500], [1504], [1508], [1512], [1516], [1520], [1524], [1528], [1532], [1536], [1540], [1544], [1548], [1552], [1556], [1560], [1564], [1568], [1572], [1576], [1580], [1584], [1588], [1592], [1596], [1600], [1604], [1608], [1612], [1616], [1620], [1622], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1943], [1951], [1959], [1967], [1971], [1973], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-11-07 21:17:16,269 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 21:17:16,269 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 21:17:17,333 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 21:17:17,334 INFO L272 AbstractInterpreter]: Visited 535 different actions 1064 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 21:17:17,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:17:17,340 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 21:17:18,262 INFO L227 lantSequenceWeakener]: Weakened 148 states. On average, predicates are now at 78.73% of their original sizes. [2018-11-07 21:17:18,263 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 21:17:18,945 INFO L415 sIntCurrentIteration]: We unified 583 AI predicates to 583 [2018-11-07 21:17:18,945 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 21:17:18,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 21:17:18,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [30] imperfect sequences [4] total 32 [2018-11-07 21:17:18,946 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 21:17:18,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-11-07 21:17:18,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-11-07 21:17:18,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2018-11-07 21:17:18,948 INFO L87 Difference]: Start difference. First operand 7364 states and 9513 transitions. Second operand 30 states. [2018-11-07 21:18:03,535 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 21:18:28,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 21:18:28,345 INFO L93 Difference]: Finished difference Result 13180 states and 17804 transitions. [2018-11-07 21:18:28,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-11-07 21:18:28,345 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 584 [2018-11-07 21:18:28,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 21:18:28,373 INFO L225 Difference]: With dead ends: 13180 [2018-11-07 21:18:28,373 INFO L226 Difference]: Without dead ends: 8789 [2018-11-07 21:18:28,386 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 621 GetRequests, 555 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=505, Invalid=4051, Unknown=0, NotChecked=0, Total=4556 [2018-11-07 21:18:28,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8789 states. [2018-11-07 21:18:28,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8789 to 8778. [2018-11-07 21:18:28,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8778 states. [2018-11-07 21:18:28,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8778 states to 8778 states and 10957 transitions. [2018-11-07 21:18:28,581 INFO L78 Accepts]: Start accepts. Automaton has 8778 states and 10957 transitions. Word has length 584 [2018-11-07 21:18:28,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 21:18:28,582 INFO L480 AbstractCegarLoop]: Abstraction has 8778 states and 10957 transitions. [2018-11-07 21:18:28,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-11-07 21:18:28,582 INFO L276 IsEmpty]: Start isEmpty. Operand 8778 states and 10957 transitions. [2018-11-07 21:18:28,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2018-11-07 21:18:28,612 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 21:18:28,613 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 21:18:28,614 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 21:18:28,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:18:28,614 INFO L82 PathProgramCache]: Analyzing trace with hash 970909527, now seen corresponding path program 1 times [2018-11-07 21:18:28,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 21:18:28,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:18:28,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 21:18:28,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:18:28,617 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 21:18:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 21:18:30,770 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 152 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 21:18:30,771 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 21:18:30,771 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 21:18:30,771 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 772 with the following transitions: [2018-11-07 21:18:30,772 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [37], [739], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [792], [796], [800], [804], [808], [812], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [920], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [964], [968], [972], [976], [980], [984], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1384], [1388], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1468], [1472], [1476], [1480], [1484], [1488], [1492], [1496], [1500], [1504], [1508], [1512], [1516], [1520], [1524], [1528], [1532], [1536], [1540], [1544], [1548], [1552], [1556], [1560], [1564], [1568], [1572], [1576], [1580], [1584], [1588], [1592], [1596], [1600], [1604], [1608], [1612], [1616], [1620], [1622], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1943], [1951], [1959], [1967], [1971], [1973], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2584], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-11-07 21:18:30,781 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 21:18:30,781 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 21:18:32,449 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 21:18:32,449 INFO L272 AbstractInterpreter]: Visited 536 different actions 1606 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 21:18:32,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:18:32,457 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 21:18:34,124 INFO L227 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 81.82% of their original sizes. [2018-11-07 21:18:34,125 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 21:18:34,777 INFO L415 sIntCurrentIteration]: We unified 770 AI predicates to 770 [2018-11-07 21:18:34,777 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 21:18:34,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 21:18:34,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [11] total 32 [2018-11-07 21:18:34,778 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 21:18:34,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-07 21:18:34,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-07 21:18:34,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2018-11-07 21:18:34,780 INFO L87 Difference]: Start difference. First operand 8778 states and 10957 transitions. Second operand 23 states. Received shutdown request... [2018-11-07 21:18:40,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 21:18:40,056 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 21:18:40,061 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 21:18:40,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:18:40 BoogieIcfgContainer [2018-11-07 21:18:40,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 21:18:40,062 INFO L168 Benchmark]: Toolchain (without parser) took 219513.27 ms. Allocated memory was 1.5 GB in the beginning and 4.5 GB in the end (delta: 3.0 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-11-07 21:18:40,063 INFO L168 Benchmark]: CDTParser took 0.30 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. [2018-11-07 21:18:40,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1870.93 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. [2018-11-07 21:18:40,064 INFO L168 Benchmark]: Boogie Procedure Inliner took 313.00 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -933.1 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2018-11-07 21:18:40,065 INFO L168 Benchmark]: Boogie Preprocessor took 245.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2018-11-07 21:18:40,066 INFO L168 Benchmark]: RCFGBuilder took 8197.65 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 508.4 MB). Peak memory consumption was 508.4 MB. Max. memory is 7.1 GB. [2018-11-07 21:18:40,067 INFO L168 Benchmark]: TraceAbstraction took 208881.34 ms. Allocated memory was 2.3 GB in the beginning and 4.5 GB in the end (delta: 2.2 GB). Free memory was 1.7 GB in the beginning and 3.0 GB in the end (delta: -1.3 GB). Peak memory consumption was 878.4 MB. Max. memory is 7.1 GB. [2018-11-07 21:18:40,073 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 1870.93 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 313.00 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -933.1 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 245.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8197.65 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 508.4 MB). Peak memory consumption was 508.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 208881.34 ms. Allocated memory was 2.3 GB in the beginning and 4.5 GB in the end (delta: 2.2 GB). Free memory was 1.7 GB in the beginning and 3.0 GB in the end (delta: -1.3 GB). Peak memory consumption was 878.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 156]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 156). Cancelled while BasicCegarLoop was constructing difference of abstraction (8778states) and FLOYD_HOARE automaton (currently 9 states, 23 states before enhancement),while ReachableStatesComputation was computing reachable states (144 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 775 locations, 1 error locations. TIMEOUT Result, 208.8s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 190.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2678 SDtfs, 23526 SDslu, 1108 SDs, 0 SdLazy, 36570 SolverSat, 4671 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 74.6s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1954 GetRequests, 1811 SyntacticMatches, 4 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1438 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8778occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.1s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.998389946248515 AbsIntWeakeningRatio, 0.0576307363927428 AbsIntAvgWeakeningVarsNumRemoved, 12.161152614727856 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 294 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2208 NumberOfCodeBlocks, 2208 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 2201 ConstructedInterpolants, 0 QuantifiedInterpolants, 7684485 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 406/691 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown