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/Problem15_label11_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 19:10:23,985 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 19:10:23,988 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 19:10:24,004 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 19:10:24,004 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 19:10:24,005 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 19:10:24,007 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 19:10:24,011 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 19:10:24,012 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 19:10:24,016 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 19:10:24,016 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 19:10:24,018 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 19:10:24,019 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 19:10:24,020 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 19:10:24,021 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 19:10:24,029 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 19:10:24,030 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 19:10:24,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 19:10:24,036 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 19:10:24,041 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 19:10:24,042 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 19:10:24,044 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 19:10:24,047 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 19:10:24,047 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 19:10:24,047 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 19:10:24,048 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 19:10:24,049 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 19:10:24,050 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 19:10:24,053 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 19:10:24,054 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 19:10:24,054 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 19:10:24,056 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 19:10:24,056 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 19:10:24,057 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 19:10:24,057 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 19:10:24,058 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 19:10:24,058 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 [2018-11-12 19:10:24,089 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 19:10:24,089 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 19:10:24,090 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 19:10:24,090 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 19:10:24,090 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 19:10:24,090 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 19:10:24,093 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 19:10:24,094 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 19:10:24,094 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 19:10:24,094 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 19:10:24,094 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 19:10:24,094 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 19:10:24,094 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 19:10:24,096 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 19:10:24,096 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 19:10:24,096 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 19:10:24,096 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 19:10:24,096 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 19:10:24,097 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 19:10:24,097 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 19:10:24,097 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 19:10:24,097 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 19:10:24,097 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 19:10:24,098 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 19:10:24,099 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 19:10:24,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 19:10:24,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 19:10:24,100 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 19:10:24,100 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 19:10:24,100 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 19:10:24,100 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 19:10:24,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 19:10:24,101 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 19:10:24,101 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 19:10:24,101 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 19:10:24,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 19:10:24,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 19:10:24,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 19:10:24,180 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 19:10:24,180 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 19:10:24,181 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label11_true-unreach-call.c [2018-11-12 19:10:24,255 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538fc46e1/de2b086bd33b435c9dffa6c093312acf/FLAG364c1599e [2018-11-12 19:10:24,894 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 19:10:24,897 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label11_true-unreach-call.c [2018-11-12 19:10:24,921 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538fc46e1/de2b086bd33b435c9dffa6c093312acf/FLAG364c1599e [2018-11-12 19:10:24,939 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538fc46e1/de2b086bd33b435c9dffa6c093312acf [2018-11-12 19:10:24,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 19:10:24,953 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 19:10:24,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 19:10:24,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 19:10:24,960 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 19:10:24,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:10:24" (1/1) ... [2018-11-12 19:10:24,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602d4844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:10:24, skipping insertion in model container [2018-11-12 19:10:24,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:10:24" (1/1) ... [2018-11-12 19:10:24,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 19:10:25,082 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 19:10:25,917 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:10:25,922 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 19:10:26,240 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:10:26,262 INFO L193 MainTranslator]: Completed translation [2018-11-12 19:10:26,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:10:26 WrapperNode [2018-11-12 19:10:26,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 19:10:26,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 19:10:26,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 19:10:26,264 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 19:10:26,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:10:26" (1/1) ... [2018-11-12 19:10:26,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:10:26" (1/1) ... [2018-11-12 19:10:26,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 19:10:26,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 19:10:26,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 19:10:26,485 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 19:10:26,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:10:26" (1/1) ... [2018-11-12 19:10:26,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:10:26" (1/1) ... [2018-11-12 19:10:26,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:10:26" (1/1) ... [2018-11-12 19:10:26,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:10:26" (1/1) ... [2018-11-12 19:10:26,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:10:26" (1/1) ... [2018-11-12 19:10:26,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:10:26" (1/1) ... [2018-11-12 19:10:26,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:10:26" (1/1) ... [2018-11-12 19:10:26,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 19:10:26,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 19:10:26,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 19:10:26,660 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 19:10:26,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:10:26" (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 [2018-11-12 19:10:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 19:10:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 19:10:26,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 19:10:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 19:10:26,729 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 19:10:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 19:10:26,730 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 19:10:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 19:10:26,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 19:10:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 19:10:26,730 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 19:10:32,561 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 19:10:32,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:10:32 BoogieIcfgContainer [2018-11-12 19:10:32,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 19:10:32,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 19:10:32,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 19:10:32,567 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 19:10:32,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:10:24" (1/3) ... [2018-11-12 19:10:32,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684a8ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:10:32, skipping insertion in model container [2018-11-12 19:10:32,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:10:26" (2/3) ... [2018-11-12 19:10:32,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684a8ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:10:32, skipping insertion in model container [2018-11-12 19:10:32,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:10:32" (3/3) ... [2018-11-12 19:10:32,571 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label11_true-unreach-call.c [2018-11-12 19:10:32,582 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 19:10:32,591 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 19:10:32,607 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 19:10:32,648 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 19:10:32,649 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 19:10:32,649 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 19:10:32,649 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 19:10:32,649 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 19:10:32,649 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 19:10:32,650 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 19:10:32,650 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 19:10:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-11-12 19:10:32,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-12 19:10:32,694 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:10:32,695 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:10:32,698 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:10:32,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:10:32,704 INFO L82 PathProgramCache]: Analyzing trace with hash -383317628, now seen corresponding path program 1 times [2018-11-12 19:10:32,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:10:32,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:10:32,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:10:32,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:10:32,757 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:10:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:10:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:10:33,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:10:33,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 19:10:33,236 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:10:33,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 19:10:33,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 19:10:33,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 19:10:33,263 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-11-12 19:10:39,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:10:39,216 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-11-12 19:10:39,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 19:10:39,218 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-12 19:10:39,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:10:39,247 INFO L225 Difference]: With dead ends: 1558 [2018-11-12 19:10:39,248 INFO L226 Difference]: Without dead ends: 1114 [2018-11-12 19:10:39,259 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 19:10:39,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-11-12 19:10:39,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 759. [2018-11-12 19:10:39,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2018-11-12 19:10:39,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1355 transitions. [2018-11-12 19:10:39,406 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1355 transitions. Word has length 62 [2018-11-12 19:10:39,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:10:39,407 INFO L480 AbstractCegarLoop]: Abstraction has 759 states and 1355 transitions. [2018-11-12 19:10:39,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 19:10:39,407 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1355 transitions. [2018-11-12 19:10:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-12 19:10:39,418 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:10:39,418 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:10:39,418 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:10:39,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:10:39,419 INFO L82 PathProgramCache]: Analyzing trace with hash -679699185, now seen corresponding path program 1 times [2018-11-12 19:10:39,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:10:39,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:10:39,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:10:39,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:10:39,421 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:10:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:10:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:10:39,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:10:39,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 19:10:39,661 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:10:39,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 19:10:39,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 19:10:39,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 19:10:39,664 INFO L87 Difference]: Start difference. First operand 759 states and 1355 transitions. Second operand 4 states. [2018-11-12 19:10:44,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:10:44,395 INFO L93 Difference]: Finished difference Result 2755 states and 5131 transitions. [2018-11-12 19:10:44,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 19:10:44,396 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2018-11-12 19:10:44,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:10:44,413 INFO L225 Difference]: With dead ends: 2755 [2018-11-12 19:10:44,413 INFO L226 Difference]: Without dead ends: 2002 [2018-11-12 19:10:44,422 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 19:10:44,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2018-11-12 19:10:44,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1999. [2018-11-12 19:10:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1999 states. [2018-11-12 19:10:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 3228 transitions. [2018-11-12 19:10:44,517 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 3228 transitions. Word has length 132 [2018-11-12 19:10:44,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:10:44,517 INFO L480 AbstractCegarLoop]: Abstraction has 1999 states and 3228 transitions. [2018-11-12 19:10:44,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 19:10:44,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 3228 transitions. [2018-11-12 19:10:44,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-12 19:10:44,533 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:10:44,537 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:10:44,537 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:10:44,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:10:44,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1833978789, now seen corresponding path program 1 times [2018-11-12 19:10:44,538 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:10:44,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:10:44,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:10:44,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:10:44,540 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:10:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:10:44,766 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:10:44,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:10:44,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 19:10:44,767 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:10:44,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 19:10:44,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 19:10:44,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 19:10:44,769 INFO L87 Difference]: Start difference. First operand 1999 states and 3228 transitions. Second operand 5 states. [2018-11-12 19:10:50,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:10:50,487 INFO L93 Difference]: Finished difference Result 6002 states and 9890 transitions. [2018-11-12 19:10:50,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-12 19:10:50,487 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 179 [2018-11-12 19:10:50,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:10:50,518 INFO L225 Difference]: With dead ends: 6002 [2018-11-12 19:10:50,518 INFO L226 Difference]: Without dead ends: 4009 [2018-11-12 19:10:50,531 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 19:10:50,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4009 states. [2018-11-12 19:10:50,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4009 to 3952. [2018-11-12 19:10:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3952 states. [2018-11-12 19:10:50,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 5722 transitions. [2018-11-12 19:10:50,671 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 5722 transitions. Word has length 179 [2018-11-12 19:10:50,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:10:50,672 INFO L480 AbstractCegarLoop]: Abstraction has 3952 states and 5722 transitions. [2018-11-12 19:10:50,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 19:10:50,672 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 5722 transitions. [2018-11-12 19:10:50,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2018-11-12 19:10:50,692 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:10:50,693 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-12 19:10:50,693 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:10:50,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:10:50,694 INFO L82 PathProgramCache]: Analyzing trace with hash 2147437264, now seen corresponding path program 1 times [2018-11-12 19:10:50,694 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:10:50,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:10:50,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:10:50,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:10:50,695 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:10:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:10:51,872 WARN L179 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2018-11-12 19:10:52,508 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 324 proven. 78 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-12 19:10:52,509 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:10:52,509 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:10:52,510 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 444 with the following transitions: [2018-11-12 19:10:52,512 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [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], [1191], [1202], [1206], [1209], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-12 19:10:52,574 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:10:52,575 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:10:53,568 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 19:10:53,573 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:10:53,576 INFO L272 AbstractInterpreter]: Visited 207 different actions 207 times. Never merged. Never widened. Performed 2342 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2342 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 24 variables. [2018-11-12 19:10:53,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:10:53,620 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:10:54,726 INFO L227 lantSequenceWeakener]: Weakened 431 states. On average, predicates are now at 77.74% of their original sizes. [2018-11-12 19:10:54,727 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:10:55,035 INFO L415 sIntCurrentIteration]: We unified 442 AI predicates to 442 [2018-11-12 19:10:55,035 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:10:55,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:10:55,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2018-11-12 19:10:55,037 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:10:55,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-12 19:10:55,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-12 19:10:55,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-12 19:10:55,038 INFO L87 Difference]: Start difference. First operand 3952 states and 5722 transitions. Second operand 8 states. [2018-11-12 19:11:28,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:11:28,478 INFO L93 Difference]: Finished difference Result 8208 states and 11776 transitions. [2018-11-12 19:11:28,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-12 19:11:28,478 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 443 [2018-11-12 19:11:28,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:11:28,499 INFO L225 Difference]: With dead ends: 8208 [2018-11-12 19:11:28,499 INFO L226 Difference]: Without dead ends: 4262 [2018-11-12 19:11:28,516 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 444 GetRequests, 436 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-12 19:11:28,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4262 states. [2018-11-12 19:11:28,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4262 to 4260. [2018-11-12 19:11:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4260 states. [2018-11-12 19:11:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4260 states to 4260 states and 6039 transitions. [2018-11-12 19:11:28,618 INFO L78 Accepts]: Start accepts. Automaton has 4260 states and 6039 transitions. Word has length 443 [2018-11-12 19:11:28,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:11:28,619 INFO L480 AbstractCegarLoop]: Abstraction has 4260 states and 6039 transitions. [2018-11-12 19:11:28,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-12 19:11:28,619 INFO L276 IsEmpty]: Start isEmpty. Operand 4260 states and 6039 transitions. [2018-11-12 19:11:28,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2018-11-12 19:11:28,637 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:11:28,638 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-12 19:11:28,638 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:11:28,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:11:28,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1235760953, now seen corresponding path program 1 times [2018-11-12 19:11:28,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:11:28,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:11:28,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:11:28,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:11:28,641 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:11:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:11:29,644 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 249 proven. 80 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-12 19:11:29,645 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:11:29,645 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:11:29,645 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 518 with the following transitions: [2018-11-12 19:11:29,647 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [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], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [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], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-12 19:11:29,657 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:11:29,658 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:11:29,978 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 19:11:30,570 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:11:30,570 INFO L272 AbstractInterpreter]: Visited 284 different actions 562 times. Merged at 5 different actions 5 times. Never widened. Performed 10861 root evaluator evaluations with a maximum evaluation depth of 6. Performed 10861 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 19:11:30,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:11:30,610 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:11:32,539 INFO L227 lantSequenceWeakener]: Weakened 67 states. On average, predicates are now at 78.54% of their original sizes. [2018-11-12 19:11:32,539 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:11:34,532 INFO L415 sIntCurrentIteration]: We unified 516 AI predicates to 516 [2018-11-12 19:11:34,532 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:11:34,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:11:34,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [9] total 22 [2018-11-12 19:11:34,535 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:11:34,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-12 19:11:34,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-12 19:11:34,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2018-11-12 19:11:34,537 INFO L87 Difference]: Start difference. First operand 4260 states and 6039 transitions. Second operand 15 states. [2018-11-12 19:12:34,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:12:34,546 INFO L93 Difference]: Finished difference Result 9416 states and 13305 transitions. [2018-11-12 19:12:34,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-12 19:12:34,546 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 517 [2018-11-12 19:12:34,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:12:34,569 INFO L225 Difference]: With dead ends: 9416 [2018-11-12 19:12:34,569 INFO L226 Difference]: Without dead ends: 5470 [2018-11-12 19:12:34,599 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 524 GetRequests, 503 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2018-11-12 19:12:34,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5470 states. [2018-11-12 19:12:34,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5470 to 5465. [2018-11-12 19:12:34,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5465 states. [2018-11-12 19:12:34,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5465 states to 5465 states and 7326 transitions. [2018-11-12 19:12:34,727 INFO L78 Accepts]: Start accepts. Automaton has 5465 states and 7326 transitions. Word has length 517 [2018-11-12 19:12:34,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:12:34,728 INFO L480 AbstractCegarLoop]: Abstraction has 5465 states and 7326 transitions. [2018-11-12 19:12:34,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-12 19:12:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 5465 states and 7326 transitions. [2018-11-12 19:12:34,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2018-11-12 19:12:34,752 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:12:34,752 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-12 19:12:34,753 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:12:34,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:12:34,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1779225895, now seen corresponding path program 1 times [2018-11-12 19:12:34,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:12:34,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:12:34,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:12:34,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:12:34,758 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:12:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:12:35,938 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 559 proven. 78 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-12 19:12:35,938 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:12:35,939 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:12:35,939 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 540 with the following transitions: [2018-11-12 19:12:35,939 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [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], [1191], [1202], [1206], [1209], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-12 19:12:35,946 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:12:35,947 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:12:36,001 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 19:12:37,879 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:12:37,879 INFO L272 AbstractInterpreter]: Visited 211 different actions 1441 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Performed 25052 root evaluator evaluations with a maximum evaluation depth of 6. Performed 25052 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 19:12:37,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:12:37,889 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:12:38,969 INFO L227 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 77.29% of their original sizes. [2018-11-12 19:12:38,969 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:12:44,473 INFO L415 sIntCurrentIteration]: We unified 538 AI predicates to 538 [2018-11-12 19:12:44,473 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:12:44,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:12:44,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [10] total 23 [2018-11-12 19:12:44,474 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:12:44,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-12 19:12:44,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-12 19:12:44,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2018-11-12 19:12:44,475 INFO L87 Difference]: Start difference. First operand 5465 states and 7326 transitions. Second operand 15 states. [2018-11-12 19:13:17,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:13:17,034 INFO L93 Difference]: Finished difference Result 11162 states and 14954 transitions. [2018-11-12 19:13:17,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-12 19:13:17,035 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 539 [2018-11-12 19:13:17,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:13:17,060 INFO L225 Difference]: With dead ends: 11162 [2018-11-12 19:13:17,061 INFO L226 Difference]: Without dead ends: 7216 [2018-11-12 19:13:17,076 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 544 GetRequests, 227 SyntacticMatches, 298 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2983 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-12 19:13:17,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7216 states. [2018-11-12 19:13:17,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7216 to 6700. [2018-11-12 19:13:17,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6700 states. [2018-11-12 19:13:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6700 states to 6700 states and 8621 transitions. [2018-11-12 19:13:17,229 INFO L78 Accepts]: Start accepts. Automaton has 6700 states and 8621 transitions. Word has length 539 [2018-11-12 19:13:17,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:13:17,230 INFO L480 AbstractCegarLoop]: Abstraction has 6700 states and 8621 transitions. [2018-11-12 19:13:17,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-12 19:13:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 6700 states and 8621 transitions. [2018-11-12 19:13:17,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2018-11-12 19:13:17,249 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:13:17,249 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-12 19:13:17,250 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:13:17,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:13:17,250 INFO L82 PathProgramCache]: Analyzing trace with hash -935820649, now seen corresponding path program 1 times [2018-11-12 19:13:17,250 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:13:17,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:13:17,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:13:17,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:13:17,252 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:13:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:13:18,131 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 362 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-12 19:13:18,132 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:13:18,132 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:13:18,132 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 550 with the following transitions: [2018-11-12 19:13:18,133 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [699], [704], [706], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [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], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [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], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-12 19:13:18,139 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:13:18,139 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:13:18,328 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 19:13:19,177 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:13:19,177 INFO L272 AbstractInterpreter]: Visited 284 different actions 1123 times. Merged at 7 different actions 20 times. Never widened. Performed 18263 root evaluator evaluations with a maximum evaluation depth of 6. Performed 18263 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 19:13:19,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:13:19,186 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:13:20,302 INFO L227 lantSequenceWeakener]: Weakened 544 states. On average, predicates are now at 80.34% of their original sizes. [2018-11-12 19:13:20,302 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:13:20,412 INFO L415 sIntCurrentIteration]: We unified 548 AI predicates to 548 [2018-11-12 19:13:20,412 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:13:20,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:13:20,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-12 19:13:20,413 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:13:20,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 19:13:20,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 19:13:20,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-12 19:13:20,415 INFO L87 Difference]: Start difference. First operand 6700 states and 8621 transitions. Second operand 11 states. [2018-11-12 19:13:52,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:13:52,227 INFO L93 Difference]: Finished difference Result 12925 states and 17924 transitions. [2018-11-12 19:13:52,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-12 19:13:52,227 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 549 [2018-11-12 19:13:52,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:13:52,265 INFO L225 Difference]: With dead ends: 12925 [2018-11-12 19:13:52,265 INFO L226 Difference]: Without dead ends: 8979 [2018-11-12 19:13:52,290 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 560 GetRequests, 539 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2018-11-12 19:13:52,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8979 states. [2018-11-12 19:13:52,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8979 to 8939. [2018-11-12 19:13:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8939 states. [2018-11-12 19:13:52,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8939 states to 8939 states and 11516 transitions. [2018-11-12 19:13:52,488 INFO L78 Accepts]: Start accepts. Automaton has 8939 states and 11516 transitions. Word has length 549 [2018-11-12 19:13:52,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:13:52,489 INFO L480 AbstractCegarLoop]: Abstraction has 8939 states and 11516 transitions. [2018-11-12 19:13:52,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 19:13:52,490 INFO L276 IsEmpty]: Start isEmpty. Operand 8939 states and 11516 transitions. [2018-11-12 19:13:52,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2018-11-12 19:13:52,508 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:13:52,508 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-12 19:13:52,509 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:13:52,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:13:52,509 INFO L82 PathProgramCache]: Analyzing trace with hash 729444138, now seen corresponding path program 1 times [2018-11-12 19:13:52,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:13:52,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:13:52,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:13:52,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:13:52,510 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:13:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:13:52,981 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2018-11-12 19:13:52,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:13:52,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 19:13:52,982 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:13:52,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 19:13:52,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 19:13:52,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 19:13:52,983 INFO L87 Difference]: Start difference. First operand 8939 states and 11516 transitions. Second operand 4 states. Received shutdown request... [2018-11-12 19:14:02,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 19:14:02,593 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 19:14:02,601 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 19:14:02,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:14:02 BoogieIcfgContainer [2018-11-12 19:14:02,602 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 19:14:02,603 INFO L168 Benchmark]: Toolchain (without parser) took 217651.46 ms. Allocated memory was 1.5 GB in the beginning and 5.9 GB in the end (delta: 4.3 GB). Free memory was 1.4 GB in the beginning and 4.7 GB in the end (delta: -3.3 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-11-12 19:14:02,608 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-12 19:14:02,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1309.48 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-11-12 19:14:02,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 220.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 770.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -916.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2018-11-12 19:14:02,611 INFO L168 Benchmark]: Boogie Preprocessor took 174.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-11-12 19:14:02,611 INFO L168 Benchmark]: RCFGBuilder took 5902.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 295.6 MB). Peak memory consumption was 295.6 MB. Max. memory is 7.1 GB. [2018-11-12 19:14:02,612 INFO L168 Benchmark]: TraceAbstraction took 210039.81 ms. Allocated memory was 2.3 GB in the beginning and 5.9 GB in the end (delta: 3.6 GB). Free memory was 1.9 GB in the beginning and 4.7 GB in the end (delta: -2.8 GB). Peak memory consumption was 755.9 MB. Max. memory is 7.1 GB. [2018-11-12 19:14:02,623 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 1309.48 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 220.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 770.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -916.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 174.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5902.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 295.6 MB). Peak memory consumption was 295.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 210039.81 ms. Allocated memory was 2.3 GB in the beginning and 5.9 GB in the end (delta: 3.6 GB). Free memory was 1.9 GB in the beginning and 4.7 GB in the end (delta: -2.8 GB). Peak memory consumption was 755.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 172]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 172). Cancelled while BasicCegarLoop was constructing difference of abstraction (8939states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (15410 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 209.9s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 184.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2512 SDtfs, 13672 SDslu, 2787 SDs, 0 SdLazy, 22417 SolverSat, 2569 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2097 GetRequests, 1718 SyntacticMatches, 298 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3157 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8939occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.0s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9980002892665178 AbsIntWeakeningRatio, 0.06555772994129158 AbsIntAvgWeakeningVarsNumRemoved, 17.065557729941293 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 7 MinimizatonAttempts, 978 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 2972 NumberOfCodeBlocks, 2972 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 2964 ConstructedInterpolants, 0 QuantifiedInterpolants, 5791860 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 2432/2670 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown