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/loop-industry-pattern/mod3_true-unreach-call.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 22:16:18,336 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 22:16:18,340 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 22:16:18,357 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 22:16:18,358 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 22:16:18,359 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 22:16:18,360 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 22:16:18,362 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 22:16:18,364 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 22:16:18,365 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 22:16:18,366 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 22:16:18,366 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 22:16:18,367 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 22:16:18,368 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 22:16:18,369 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 22:16:18,370 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 22:16:18,371 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 22:16:18,374 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 22:16:18,379 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 22:16:18,385 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 22:16:18,389 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 22:16:18,391 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 22:16:18,395 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 22:16:18,396 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 22:16:18,396 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 22:16:18,401 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 22:16:18,402 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 22:16:18,403 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 22:16:18,407 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 22:16:18,408 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 22:16:18,408 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 22:16:18,411 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 22:16:18,413 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 22:16:18,414 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 22:16:18,415 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 22:16:18,416 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 22:16:18,416 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 22:16:18,453 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 22:16:18,453 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 22:16:18,454 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 22:16:18,454 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 22:16:18,454 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 22:16:18,454 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 22:16:18,455 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 22:16:18,455 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 22:16:18,455 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 22:16:18,455 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 22:16:18,455 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 22:16:18,455 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 22:16:18,456 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 22:16:18,456 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 22:16:18,457 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 22:16:18,457 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 22:16:18,457 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 22:16:18,457 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 22:16:18,457 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 22:16:18,458 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 22:16:18,458 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 22:16:18,458 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 22:16:18,458 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 22:16:18,459 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 22:16:18,459 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 22:16:18,459 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 22:16:18,459 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 22:16:18,459 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 22:16:18,459 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 22:16:18,460 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 22:16:18,460 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 22:16:18,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 22:16:18,460 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 22:16:18,460 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 22:16:18,461 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 22:16:18,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 22:16:18,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 22:16:18,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 22:16:18,532 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 22:16:18,533 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 22:16:18,533 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+lhb-reducer.c [2018-11-07 22:16:18,606 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76667ba35/dffca97154204700a1fc63c9f3933730/FLAG6a0057699 [2018-11-07 22:16:19,072 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 22:16:19,073 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+lhb-reducer.c [2018-11-07 22:16:19,081 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76667ba35/dffca97154204700a1fc63c9f3933730/FLAG6a0057699 [2018-11-07 22:16:19,103 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76667ba35/dffca97154204700a1fc63c9f3933730 [2018-11-07 22:16:19,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 22:16:19,117 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 22:16:19,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 22:16:19,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 22:16:19,122 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 22:16:19,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:16:19" (1/1) ... [2018-11-07 22:16:19,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121926f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:16:19, skipping insertion in model container [2018-11-07 22:16:19,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:16:19" (1/1) ... [2018-11-07 22:16:19,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 22:16:19,168 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 22:16:19,447 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 22:16:19,453 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 22:16:19,491 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 22:16:19,509 INFO L193 MainTranslator]: Completed translation [2018-11-07 22:16:19,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:16:19 WrapperNode [2018-11-07 22:16:19,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 22:16:19,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 22:16:19,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 22:16:19,512 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 22:16:19,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:16:19" (1/1) ... [2018-11-07 22:16:19,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:16:19" (1/1) ... [2018-11-07 22:16:19,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 22:16:19,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 22:16:19,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 22:16:19,536 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 22:16:19,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:16:19" (1/1) ... [2018-11-07 22:16:19,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:16:19" (1/1) ... [2018-11-07 22:16:19,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:16:19" (1/1) ... [2018-11-07 22:16:19,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:16:19" (1/1) ... [2018-11-07 22:16:19,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:16:19" (1/1) ... [2018-11-07 22:16:19,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:16:19" (1/1) ... [2018-11-07 22:16:19,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:16:19" (1/1) ... [2018-11-07 22:16:19,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 22:16:19,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 22:16:19,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 22:16:19,564 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 22:16:19,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:16:19" (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 22:16:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 22:16:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 22:16:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 22:16:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 22:16:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 22:16:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 22:16:20,183 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 22:16:20,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:16:20 BoogieIcfgContainer [2018-11-07 22:16:20,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 22:16:20,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 22:16:20,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 22:16:20,189 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 22:16:20,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:16:19" (1/3) ... [2018-11-07 22:16:20,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c3493d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:16:20, skipping insertion in model container [2018-11-07 22:16:20,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:16:19" (2/3) ... [2018-11-07 22:16:20,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c3493d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:16:20, skipping insertion in model container [2018-11-07 22:16:20,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:16:20" (3/3) ... [2018-11-07 22:16:20,193 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c.v+lhb-reducer.c [2018-11-07 22:16:20,203 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 22:16:20,211 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 22:16:20,227 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 22:16:20,264 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 22:16:20,264 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 22:16:20,265 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 22:16:20,265 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 22:16:20,265 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 22:16:20,265 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 22:16:20,266 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 22:16:20,266 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 22:16:20,286 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-07 22:16:20,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-07 22:16:20,294 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:16:20,295 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 22:16:20,298 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:16:20,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:16:20,305 INFO L82 PathProgramCache]: Analyzing trace with hash 446778609, now seen corresponding path program 1 times [2018-11-07 22:16:20,307 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:16:20,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:16:20,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:16:20,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:16:20,361 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:16:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:16:20,719 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 22:16:20,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 22:16:20,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 22:16:20,722 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 22:16:20,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 22:16:20,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 22:16:20,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-07 22:16:20,742 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2018-11-07 22:16:27,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:16:27,526 INFO L93 Difference]: Finished difference Result 62 states and 86 transitions. [2018-11-07 22:16:27,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 22:16:27,528 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-07 22:16:27,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:16:27,539 INFO L225 Difference]: With dead ends: 62 [2018-11-07 22:16:27,539 INFO L226 Difference]: Without dead ends: 30 [2018-11-07 22:16:27,542 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 22:16:27,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-11-07 22:16:27,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2018-11-07 22:16:27,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-07 22:16:27,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2018-11-07 22:16:27,580 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 15 [2018-11-07 22:16:27,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:16:27,581 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2018-11-07 22:16:27,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 22:16:27,581 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2018-11-07 22:16:27,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-07 22:16:27,582 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:16:27,582 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 22:16:27,582 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:16:27,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:16:27,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1003929308, now seen corresponding path program 1 times [2018-11-07 22:16:27,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:16:27,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:16:27,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:16:27,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:16:27,585 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:16:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:16:27,922 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 22:16:27,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 22:16:27,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 22:16:27,925 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 22:16:27,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 22:16:27,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 22:16:27,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-07 22:16:27,930 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand 4 states. [2018-11-07 22:16:34,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:16:34,691 INFO L93 Difference]: Finished difference Result 60 states and 78 transitions. [2018-11-07 22:16:34,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 22:16:34,691 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-11-07 22:16:34,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:16:34,693 INFO L225 Difference]: With dead ends: 60 [2018-11-07 22:16:34,693 INFO L226 Difference]: Without dead ends: 35 [2018-11-07 22:16:34,694 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 22:16:34,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-07 22:16:34,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2018-11-07 22:16:34,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-07 22:16:34,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2018-11-07 22:16:34,701 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 16 [2018-11-07 22:16:34,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:16:34,701 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2018-11-07 22:16:34,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 22:16:34,701 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2018-11-07 22:16:34,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-07 22:16:34,702 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:16:34,702 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 22:16:34,703 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:16:34,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:16:34,703 INFO L82 PathProgramCache]: Analyzing trace with hash 774480790, now seen corresponding path program 1 times [2018-11-07 22:16:34,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:16:34,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:16:34,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:16:34,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:16:34,705 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:16:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:16:34,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 22:16:34,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 22:16:34,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 22:16:34,878 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 22:16:34,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 22:16:34,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 22:16:34,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 22:16:34,880 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand 3 states. [2018-11-07 22:16:37,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:16:37,313 INFO L93 Difference]: Finished difference Result 61 states and 77 transitions. [2018-11-07 22:16:37,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 22:16:37,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-11-07 22:16:37,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:16:37,315 INFO L225 Difference]: With dead ends: 61 [2018-11-07 22:16:37,315 INFO L226 Difference]: Without dead ends: 34 [2018-11-07 22:16:37,316 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 22:16:37,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-07 22:16:37,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2018-11-07 22:16:37,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-07 22:16:37,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2018-11-07 22:16:37,324 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 19 [2018-11-07 22:16:37,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:16:37,324 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2018-11-07 22:16:37,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 22:16:37,325 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2018-11-07 22:16:37,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-07 22:16:37,325 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:16:37,326 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 22:16:37,326 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:16:37,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:16:37,327 INFO L82 PathProgramCache]: Analyzing trace with hash -407154346, now seen corresponding path program 1 times [2018-11-07 22:16:37,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:16:37,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:16:37,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:16:37,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:16:37,328 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:16:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:16:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 22:16:37,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 22:16:37,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 22:16:37,540 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 22:16:37,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 22:16:37,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 22:16:37,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 22:16:37,542 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand 3 states. [2018-11-07 22:16:37,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:16:37,933 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2018-11-07 22:16:37,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 22:16:37,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-11-07 22:16:37,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:16:37,935 INFO L225 Difference]: With dead ends: 49 [2018-11-07 22:16:37,935 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 22:16:37,936 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 22:16:37,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 22:16:37,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 22:16:37,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 22:16:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 22:16:37,937 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-11-07 22:16:37,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:16:37,937 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 22:16:37,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 22:16:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 22:16:37,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 22:16:37,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 22:16:38,019 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 22:16:38,019 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-07 22:16:38,019 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 22:16:38,019 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 22:16:38,019 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-07 22:16:38,020 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 22:16:38,020 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 22:16:38,020 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 22:16:38,020 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 141) no Hoare annotation was computed. [2018-11-07 22:16:38,020 INFO L425 ceAbstractionStarter]: For program point L60(lines 60 82) no Hoare annotation was computed. [2018-11-07 22:16:38,020 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 14 149) no Hoare annotation was computed. [2018-11-07 22:16:38,020 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 143) no Hoare annotation was computed. [2018-11-07 22:16:38,020 INFO L428 ceAbstractionStarter]: At program point L81(lines 15 149) the Hoare annotation is: true [2018-11-07 22:16:38,021 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 142) no Hoare annotation was computed. [2018-11-07 22:16:38,021 INFO L428 ceAbstractionStarter]: At program point L140(lines 23 143) the Hoare annotation is: true [2018-11-07 22:16:38,021 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 84) no Hoare annotation was computed. [2018-11-07 22:16:38,021 INFO L428 ceAbstractionStarter]: At program point L132(lines 23 143) the Hoare annotation is: true [2018-11-07 22:16:38,021 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 104) no Hoare annotation was computed. [2018-11-07 22:16:38,021 INFO L421 ceAbstractionStarter]: At program point L120(lines 23 143) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= .cse0 (+ (* 4294967296 (div (+ .cse0 (- 2863311531)) 4294967296)) 4294967295))) [2018-11-07 22:16:38,022 INFO L421 ceAbstractionStarter]: At program point L54(lines 24 112) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= .cse0 (+ (* 4294967296 (div (+ .cse0 (- 2863311531)) 4294967296)) 4294967295))) [2018-11-07 22:16:38,022 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 148) no Hoare annotation was computed. [2018-11-07 22:16:38,022 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2018-11-07 22:16:38,022 INFO L425 ceAbstractionStarter]: For program point L46(lines 46 83) no Hoare annotation was computed. [2018-11-07 22:16:38,022 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 14 149) no Hoare annotation was computed. [2018-11-07 22:16:38,023 INFO L421 ceAbstractionStarter]: At program point L42(lines 24 112) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= (+ .cse0 1) (* 4294967296 (div (+ .cse0 1431655765) 4294967296)))) [2018-11-07 22:16:38,023 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 14 149) the Hoare annotation is: true [2018-11-07 22:16:38,023 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 110) no Hoare annotation was computed. [2018-11-07 22:16:38,023 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 111) no Hoare annotation was computed. [2018-11-07 22:16:38,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:16:38 BoogieIcfgContainer [2018-11-07 22:16:38,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 22:16:38,040 INFO L168 Benchmark]: Toolchain (without parser) took 18923.71 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 735.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -688.7 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. [2018-11-07 22:16:38,042 INFO L168 Benchmark]: CDTParser took 0.28 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. [2018-11-07 22:16:38,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-07 22:16:38,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.85 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 22:16:38,045 INFO L168 Benchmark]: Boogie Preprocessor took 26.68 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 22:16:38,045 INFO L168 Benchmark]: RCFGBuilder took 620.96 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 735.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -783.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2018-11-07 22:16:38,046 INFO L168 Benchmark]: TraceAbstraction took 17853.86 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 84.7 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2018-11-07 22:16:38,051 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 392.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 24.85 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. * Boogie Preprocessor took 26.68 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. * RCFGBuilder took 620.96 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 735.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -783.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17853.86 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 84.7 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1431655765 * main__x <= 4294967296 * ((1431655765 * main__x + -2863311531) / 4294967296) + 4294967295 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1431655765 * main__x <= 4294967296 * ((1431655765 * main__x + -2863311531) / 4294967296) + 4294967295 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1431655765 * main__x + 1 <= 4294967296 * ((1431655765 * main__x + 1431655765) / 4294967296) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 1 error locations. SAFE Result, 17.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 16.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 108 SDtfs, 22 SDslu, 121 SDs, 0 SdLazy, 72 SolverSat, 4 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 15.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 17 NumberOfFragments, 52 HoareAnnotationTreeSize, 10 FomulaSimplifications, 47 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 31 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 5235 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...