java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label53_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:52:16,430 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:52:16,434 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:52:16,451 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:52:16,452 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:52:16,453 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:52:16,454 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:52:16,456 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:52:16,457 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:52:16,458 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:52:16,459 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:52:16,459 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:52:16,460 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:52:16,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:52:16,462 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:52:16,463 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:52:16,464 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:52:16,467 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:52:16,468 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:52:16,472 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:52:16,476 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:52:16,478 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:52:16,483 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 21:52:16,483 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 21:52:16,486 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 21:52:16,487 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 21:52:16,488 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 21:52:16,488 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 21:52:16,490 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 21:52:16,491 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 21:52:16,492 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 21:52:16,492 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 21:52:16,493 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 21:52:16,493 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 21:52:16,494 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 21:52:16,494 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 21:52:16,495 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 21:52:16,510 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:52:16,511 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:52:16,512 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:52:16,512 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:52:16,512 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:52:16,512 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:52:16,512 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:52:16,513 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:52:16,513 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:52:16,513 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:52:16,513 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:52:16,513 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:52:16,514 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:52:16,514 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:52:16,514 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:52:16,515 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:52:16,515 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:52:16,515 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:52:16,515 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:52:16,515 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:52:16,516 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:52:16,516 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:52:16,516 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:52:16,516 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:52:16,516 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:52:16,517 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:52:16,517 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:52:16,517 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:52:16,517 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:52:16,518 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:52:16,518 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:52:16,518 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:52:16,518 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:52:16,518 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:52:16,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:52:16,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:52:16,592 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:52:16,594 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:52:16,594 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:52:16,595 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label53_true-unreach-call.c [2018-10-24 21:52:16,668 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/225a4fe76/924dd97b62fe416d8ace8117ab94cdc6/FLAG2ce000f5c [2018-10-24 21:52:17,381 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:52:17,382 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label53_true-unreach-call.c [2018-10-24 21:52:17,409 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/225a4fe76/924dd97b62fe416d8ace8117ab94cdc6/FLAG2ce000f5c [2018-10-24 21:52:17,426 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/225a4fe76/924dd97b62fe416d8ace8117ab94cdc6 [2018-10-24 21:52:17,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:52:17,440 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:52:17,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:52:17,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:52:17,447 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:52:17,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:52:17" (1/1) ... [2018-10-24 21:52:17,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ae13cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:52:17, skipping insertion in model container [2018-10-24 21:52:17,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:52:17" (1/1) ... [2018-10-24 21:52:17,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:52:17,551 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:52:18,390 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:52:18,396 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:52:18,729 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:52:18,749 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:52:18,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:52:18 WrapperNode [2018-10-24 21:52:18,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:52:18,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:52:18,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:52:18,751 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:52:18,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:52:18" (1/1) ... [2018-10-24 21:52:18,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:52:18" (1/1) ... [2018-10-24 21:52:19,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:52:19,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:52:19,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:52:19,149 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:52:19,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:52:18" (1/1) ... [2018-10-24 21:52:19,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:52:18" (1/1) ... [2018-10-24 21:52:19,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:52:18" (1/1) ... [2018-10-24 21:52:19,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:52:18" (1/1) ... [2018-10-24 21:52:19,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:52:18" (1/1) ... [2018-10-24 21:52:19,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:52:18" (1/1) ... [2018-10-24 21:52:19,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:52:18" (1/1) ... [2018-10-24 21:52:19,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:52:19,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:52:19,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:52:19,440 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:52:19,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:52:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:52:19,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:52:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:52:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 21:52:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 21:52:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:52:19,519 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:52:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:52:19,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:52:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:52:19,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:52:27,057 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:52:27,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:52:27 BoogieIcfgContainer [2018-10-24 21:52:27,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:52:27,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:52:27,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:52:27,066 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:52:27,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:52:17" (1/3) ... [2018-10-24 21:52:27,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e755663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:52:27, skipping insertion in model container [2018-10-24 21:52:27,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:52:18" (2/3) ... [2018-10-24 21:52:27,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e755663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:52:27, skipping insertion in model container [2018-10-24 21:52:27,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:52:27" (3/3) ... [2018-10-24 21:52:27,071 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label53_true-unreach-call.c [2018-10-24 21:52:27,081 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:52:27,091 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:52:27,110 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:52:27,164 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:52:27,164 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:52:27,165 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:52:27,165 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:52:27,165 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:52:27,165 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:52:27,165 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:52:27,165 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:52:27,196 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-24 21:52:27,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-24 21:52:27,206 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:52:27,207 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] [2018-10-24 21:52:27,209 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:52:27,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:52:27,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1192963812, now seen corresponding path program 1 times [2018-10-24 21:52:27,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:52:27,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:52:27,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:52:27,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:52:27,270 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:52:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:52:27,786 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-10-24 21:52:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:52:27,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:52:27,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:52:27,805 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:52:27,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:52:27,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:52:27,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:52:27,831 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-10-24 21:52:37,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:52:37,858 INFO L93 Difference]: Finished difference Result 1550 states and 2835 transitions. [2018-10-24 21:52:37,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:52:37,860 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2018-10-24 21:52:37,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:52:37,889 INFO L225 Difference]: With dead ends: 1550 [2018-10-24 21:52:37,889 INFO L226 Difference]: Without dead ends: 1106 [2018-10-24 21:52:37,902 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:52:37,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2018-10-24 21:52:38,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 762. [2018-10-24 21:52:38,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2018-10-24 21:52:38,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1263 transitions. [2018-10-24 21:52:38,016 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1263 transitions. Word has length 54 [2018-10-24 21:52:38,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:52:38,017 INFO L481 AbstractCegarLoop]: Abstraction has 762 states and 1263 transitions. [2018-10-24 21:52:38,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:52:38,018 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1263 transitions. [2018-10-24 21:52:38,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-24 21:52:38,026 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:52:38,026 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:52:38,027 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:52:38,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:52:38,027 INFO L82 PathProgramCache]: Analyzing trace with hash -4975238, now seen corresponding path program 1 times [2018-10-24 21:52:38,027 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:52:38,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:52:38,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:52:38,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:52:38,029 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:52:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:52:38,373 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:52:38,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:52:38,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:52:38,374 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:52:38,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:52:38,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:52:38,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:52:38,377 INFO L87 Difference]: Start difference. First operand 762 states and 1263 transitions. Second operand 5 states. [2018-10-24 21:52:46,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:52:46,692 INFO L93 Difference]: Finished difference Result 2245 states and 3758 transitions. [2018-10-24 21:52:46,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:52:46,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2018-10-24 21:52:46,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:52:46,710 INFO L225 Difference]: With dead ends: 2245 [2018-10-24 21:52:46,711 INFO L226 Difference]: Without dead ends: 1489 [2018-10-24 21:52:46,716 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:52:46,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2018-10-24 21:52:46,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1457. [2018-10-24 21:52:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1457 states. [2018-10-24 21:52:46,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2152 transitions. [2018-10-24 21:52:46,812 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2152 transitions. Word has length 127 [2018-10-24 21:52:46,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:52:46,812 INFO L481 AbstractCegarLoop]: Abstraction has 1457 states and 2152 transitions. [2018-10-24 21:52:46,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:52:46,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2152 transitions. [2018-10-24 21:52:46,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-24 21:52:46,816 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:52:46,817 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:52:46,817 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:52:46,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:52:46,817 INFO L82 PathProgramCache]: Analyzing trace with hash -2136699286, now seen corresponding path program 1 times [2018-10-24 21:52:46,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:52:46,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:52:46,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:52:46,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:52:46,819 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:52:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:52:47,113 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:52:47,113 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:52:47,113 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:52:47,114 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 136 with the following transitions: [2018-10-24 21:52:47,117 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], [405], [407], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 21:52:47,202 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:52:47,203 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:52:49,062 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:52:49,064 INFO L272 AbstractInterpreter]: Visited 85 different actions 85 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 21:52:49,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:52:49,073 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:52:50,394 INFO L232 lantSequenceWeakener]: Weakened 130 states. On average, predicates are now at 78.64% of their original sizes. [2018-10-24 21:52:50,394 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:52:50,648 INFO L413 sIntCurrentIteration]: We have 134 unified AI predicates [2018-10-24 21:52:50,649 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:52:50,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:52:50,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2018-10-24 21:52:50,650 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:52:50,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 21:52:50,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 21:52:50,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 21:52:50,652 INFO L87 Difference]: Start difference. First operand 1457 states and 2152 transitions. Second operand 7 states. [2018-10-24 21:52:52,794 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:54:19,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:54:19,722 INFO L93 Difference]: Finished difference Result 3218 states and 4681 transitions. [2018-10-24 21:54:19,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:54:19,722 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 135 [2018-10-24 21:54:19,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:54:19,732 INFO L225 Difference]: With dead ends: 3218 [2018-10-24 21:54:19,732 INFO L226 Difference]: Without dead ends: 1767 [2018-10-24 21:54:19,737 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:54:19,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2018-10-24 21:54:19,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1765. [2018-10-24 21:54:19,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1765 states. [2018-10-24 21:54:19,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 2468 transitions. [2018-10-24 21:54:19,787 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 2468 transitions. Word has length 135 [2018-10-24 21:54:19,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:54:19,788 INFO L481 AbstractCegarLoop]: Abstraction has 1765 states and 2468 transitions. [2018-10-24 21:54:19,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 21:54:19,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2468 transitions. [2018-10-24 21:54:19,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-24 21:54:19,793 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:54:19,793 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 21:54:19,793 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:54:19,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:54:19,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1554168383, now seen corresponding path program 1 times [2018-10-24 21:54:19,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:54:19,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:54:19,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:54:19,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:54:19,796 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:54:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:54:20,242 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:54:20,973 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 48 proven. 120 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 21:54:20,973 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:54:20,973 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:54:20,973 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 232 with the following transitions: [2018-10-24 21:54:20,974 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], [405], [407], [410], [418], [426], [434], [442], [450], [458], [466], [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], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 21:54:20,980 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:54:20,980 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:54:23,509 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:54:28,821 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:54:28,821 INFO L272 AbstractInterpreter]: Visited 104 different actions 299 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 21:54:28,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:54:28,830 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:54:31,648 INFO L232 lantSequenceWeakener]: Weakened 66 states. On average, predicates are now at 80.44% of their original sizes. [2018-10-24 21:54:31,649 INFO L411 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-24 21:56:11,641 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:56:11,646 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:56:11,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:56:11 BoogieIcfgContainer [2018-10-24 21:56:11,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:56:11,647 INFO L168 Benchmark]: Toolchain (without parser) took 234208.40 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 466.8 MB. Max. memory is 7.1 GB. [2018-10-24 21:56:11,648 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 21:56:11,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1308.94 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-10-24 21:56:11,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 398.44 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -863.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2018-10-24 21:56:11,651 INFO L168 Benchmark]: Boogie Preprocessor took 290.46 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2018-10-24 21:56:11,651 INFO L168 Benchmark]: RCFGBuilder took 7618.62 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 316.2 MB). Peak memory consumption was 316.2 MB. Max. memory is 7.1 GB. [2018-10-24 21:56:11,653 INFO L168 Benchmark]: TraceAbstraction took 224586.69 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 1.8 GB in the beginning and 3.4 GB in the end (delta: -1.6 GB). Peak memory consumption was 158.9 MB. Max. memory is 7.1 GB. [2018-10-24 21:56:11,659 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1308.94 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 398.44 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -863.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 290.46 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7618.62 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 316.2 MB). Peak memory consumption was 316.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 224586.69 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 1.8 GB in the beginning and 3.4 GB in the end (delta: -1.6 GB). Peak memory consumption was 158.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 148). Cancelled while BasicCegarLoop was analyzing trace of length 232 with TraceHistMax 3,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 16 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 224.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 107.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 920 SDtfs, 2639 SDslu, 900 SDs, 0 SdLazy, 5041 SolverSat, 1083 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 76.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1765occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.8s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9944557254339861 AbsIntWeakeningRatio, 0.12637362637362637 AbsIntAvgWeakeningVarsNumRemoved, 528.3131868131868 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 378 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 316 NumberOfCodeBlocks, 316 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 313 ConstructedInterpolants, 0 QuantifiedInterpolants, 121653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 51/94 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown