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-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 08:00:20,318 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 08:00:20,320 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 08:00:20,338 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 08:00:20,338 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 08:00:20,340 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 08:00:20,341 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 08:00:20,344 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 08:00:20,346 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 08:00:20,349 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 08:00:20,352 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 08:00:20,352 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 08:00:20,353 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 08:00:20,354 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 08:00:20,358 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 08:00:20,359 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 08:00:20,360 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 08:00:20,370 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 08:00:20,372 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 08:00:20,377 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 08:00:20,378 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 08:00:20,379 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 08:00:20,384 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 08:00:20,384 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 08:00:20,384 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 08:00:20,388 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 08:00:20,389 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 08:00:20,392 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 08:00:20,394 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 08:00:20,396 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 08:00:20,397 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 08:00:20,399 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 08:00:20,399 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 08:00:20,400 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 08:00:20,401 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 08:00:20,401 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 08:00:20,402 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 08:00:20,426 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 08:00:20,427 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 08:00:20,428 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 08:00:20,428 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 08:00:20,429 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 08:00:20,429 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 08:00:20,429 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 08:00:20,429 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 08:00:20,430 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 08:00:20,430 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 08:00:20,430 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 08:00:20,430 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 08:00:20,430 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 08:00:20,431 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 08:00:20,431 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 08:00:20,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 08:00:20,433 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 08:00:20,433 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 08:00:20,433 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 08:00:20,433 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 08:00:20,434 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 08:00:20,434 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 08:00:20,434 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 08:00:20,434 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 08:00:20,434 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 08:00:20,435 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 08:00:20,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 08:00:20,435 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 08:00:20,436 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 08:00:20,436 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 08:00:20,436 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 08:00:20,436 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 08:00:20,436 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 08:00:20,437 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 08:00:20,437 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 08:00:20,437 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 08:00:20,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 08:00:20,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 08:00:20,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 08:00:20,517 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 08:00:20,518 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 08:00:20,519 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c [2018-10-27 08:00:20,596 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a85d70379/9fae8e82e3df43bfa1058deab2d89f23/FLAG34e265e99 [2018-10-27 08:00:21,449 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 08:00:21,451 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c [2018-10-27 08:00:21,491 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a85d70379/9fae8e82e3df43bfa1058deab2d89f23/FLAG34e265e99 [2018-10-27 08:00:21,513 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a85d70379/9fae8e82e3df43bfa1058deab2d89f23 [2018-10-27 08:00:21,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 08:00:21,527 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 08:00:21,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 08:00:21,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 08:00:21,535 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 08:00:21,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:00:21" (1/1) ... [2018-10-27 08:00:21,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b5ccc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:21, skipping insertion in model container [2018-10-27 08:00:21,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:00:21" (1/1) ... [2018-10-27 08:00:21,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 08:00:21,749 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 08:00:23,401 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 08:00:23,406 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 08:00:24,340 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 08:00:24,381 INFO L193 MainTranslator]: Completed translation [2018-10-27 08:00:24,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:24 WrapperNode [2018-10-27 08:00:24,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 08:00:24,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 08:00:24,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 08:00:24,384 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 08:00:24,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:24" (1/1) ... [2018-10-27 08:00:24,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:24" (1/1) ... [2018-10-27 08:00:25,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 08:00:25,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 08:00:25,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 08:00:25,100 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 08:00:25,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:24" (1/1) ... [2018-10-27 08:00:25,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:24" (1/1) ... [2018-10-27 08:00:25,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:24" (1/1) ... [2018-10-27 08:00:25,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:24" (1/1) ... [2018-10-27 08:00:25,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:24" (1/1) ... [2018-10-27 08:00:25,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:24" (1/1) ... [2018-10-27 08:00:25,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:24" (1/1) ... [2018-10-27 08:00:25,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 08:00:25,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 08:00:25,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 08:00:25,513 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 08:00:25,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 08:00:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 08:00:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 08:00:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-27 08:00:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-27 08:00:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-27 08:00:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-27 08:00:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 08:00:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 08:00:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 08:00:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 08:00:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 08:00:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 08:00:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 08:00:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 08:00:36,702 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 08:00:36,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:00:36 BoogieIcfgContainer [2018-10-27 08:00:36,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 08:00:36,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 08:00:36,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 08:00:36,710 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 08:00:36,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:00:21" (1/3) ... [2018-10-27 08:00:36,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747dbb73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:00:36, skipping insertion in model container [2018-10-27 08:00:36,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:00:24" (2/3) ... [2018-10-27 08:00:36,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747dbb73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:00:36, skipping insertion in model container [2018-10-27 08:00:36,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:00:36" (3/3) ... [2018-10-27 08:00:36,715 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label57_true-unreach-call.c [2018-10-27 08:00:36,726 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 08:00:36,736 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 08:00:36,755 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 08:00:36,805 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 08:00:36,805 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 08:00:36,805 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 08:00:36,805 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 08:00:36,805 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 08:00:36,806 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 08:00:36,806 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 08:00:36,806 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 08:00:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-27 08:00:36,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-27 08:00:36,860 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:00:36,861 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:00:36,864 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:00:36,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:00:36,870 INFO L82 PathProgramCache]: Analyzing trace with hash -143907844, now seen corresponding path program 1 times [2018-10-27 08:00:36,873 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:00:36,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:00:36,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:00:36,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:00:36,927 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:00:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:00:37,397 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 08:00:37,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:00:37,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:00:37,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 08:00:37,519 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:00:37,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 08:00:37,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 08:00:37,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 08:00:37,549 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-27 08:00:50,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:00:50,092 INFO L93 Difference]: Finished difference Result 3087 states and 5699 transitions. [2018-10-27 08:00:50,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 08:00:50,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-10-27 08:00:50,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:00:50,135 INFO L225 Difference]: With dead ends: 3087 [2018-10-27 08:00:50,135 INFO L226 Difference]: Without dead ends: 1965 [2018-10-27 08:00:50,147 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 08:00:50,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2018-10-27 08:00:50,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1959. [2018-10-27 08:00:50,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1959 states. [2018-10-27 08:00:50,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 3512 transitions. [2018-10-27 08:00:50,321 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 3512 transitions. Word has length 68 [2018-10-27 08:00:50,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:00:50,322 INFO L481 AbstractCegarLoop]: Abstraction has 1959 states and 3512 transitions. [2018-10-27 08:00:50,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 08:00:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 3512 transitions. [2018-10-27 08:00:50,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-27 08:00:50,332 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:00:50,332 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 08:00:50,333 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:00:50,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:00:50,333 INFO L82 PathProgramCache]: Analyzing trace with hash 484004430, now seen corresponding path program 1 times [2018-10-27 08:00:50,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:00:50,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:00:50,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:00:50,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:00:50,335 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:00:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:00:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:00:50,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:00:50,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 08:00:50,983 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:00:50,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:00:50,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:00:50,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:00:50,986 INFO L87 Difference]: Start difference. First operand 1959 states and 3512 transitions. Second operand 6 states. [2018-10-27 08:01:09,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:01:09,756 INFO L93 Difference]: Finished difference Result 7204 states and 13315 transitions. [2018-10-27 08:01:09,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:01:09,756 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-10-27 08:01:09,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:01:09,791 INFO L225 Difference]: With dead ends: 7204 [2018-10-27 08:01:09,791 INFO L226 Difference]: Without dead ends: 5251 [2018-10-27 08:01:09,804 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:01:09,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5251 states. [2018-10-27 08:01:09,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5251 to 5221. [2018-10-27 08:01:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5221 states. [2018-10-27 08:01:09,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 5221 states and 8297 transitions. [2018-10-27 08:01:09,981 INFO L78 Accepts]: Start accepts. Automaton has 5221 states and 8297 transitions. Word has length 145 [2018-10-27 08:01:09,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:01:09,982 INFO L481 AbstractCegarLoop]: Abstraction has 5221 states and 8297 transitions. [2018-10-27 08:01:09,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:01:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 5221 states and 8297 transitions. [2018-10-27 08:01:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-27 08:01:09,995 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:01:09,995 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:01:09,996 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:01:09,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:01:09,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1149053844, now seen corresponding path program 1 times [2018-10-27 08:01:09,997 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:01:09,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:01:09,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:01:09,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:01:09,999 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:01:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:01:10,293 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:01:10,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:01:10,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 08:01:10,294 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:01:10,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:01:10,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:01:10,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:01:10,295 INFO L87 Difference]: Start difference. First operand 5221 states and 8297 transitions. Second operand 6 states. [2018-10-27 08:01:23,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:01:23,071 INFO L93 Difference]: Finished difference Result 13953 states and 22260 transitions. [2018-10-27 08:01:23,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:01:23,072 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2018-10-27 08:01:23,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:01:23,122 INFO L225 Difference]: With dead ends: 13953 [2018-10-27 08:01:23,122 INFO L226 Difference]: Without dead ends: 8738 [2018-10-27 08:01:23,149 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:01:23,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8738 states. [2018-10-27 08:01:23,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8738 to 8648. [2018-10-27 08:01:23,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8648 states. [2018-10-27 08:01:23,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8648 states to 8648 states and 12558 transitions. [2018-10-27 08:01:23,392 INFO L78 Accepts]: Start accepts. Automaton has 8648 states and 12558 transitions. Word has length 176 [2018-10-27 08:01:23,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:01:23,393 INFO L481 AbstractCegarLoop]: Abstraction has 8648 states and 12558 transitions. [2018-10-27 08:01:23,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:01:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 8648 states and 12558 transitions. [2018-10-27 08:01:23,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-27 08:01:23,404 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:01:23,404 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:01:23,405 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:01:23,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:01:23,405 INFO L82 PathProgramCache]: Analyzing trace with hash -492046690, now seen corresponding path program 1 times [2018-10-27 08:01:23,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:01:23,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:01:23,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:01:23,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:01:23,409 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:01:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:01:23,978 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 122 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 08:01:23,979 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:01:23,979 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:01:23,980 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-10-27 08:01:23,982 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3071], [3073], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3151], [3152], [3155], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-27 08:01:24,033 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:01:24,033 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:01:24,518 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 08:01:24,520 INFO L272 AbstractInterpreter]: Visited 82 different actions 82 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-27 08:01:24,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:01:24,550 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 08:01:25,192 INFO L227 lantSequenceWeakener]: Weakened 212 states. On average, predicates are now at 71.7% of their original sizes. [2018-10-27 08:01:25,192 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 08:01:25,424 INFO L415 sIntCurrentIteration]: We unified 220 AI predicates to 220 [2018-10-27 08:01:25,424 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 08:01:25,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:01:25,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-10-27 08:01:25,426 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:01:25,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:01:25,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:01:25,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:01:25,428 INFO L87 Difference]: Start difference. First operand 8648 states and 12558 transitions. Second operand 6 states. Received shutdown request... [2018-10-27 08:04:30,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 08:04:30,358 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 08:04:30,364 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 08:04:30,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:04:30 BoogieIcfgContainer [2018-10-27 08:04:30,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 08:04:30,366 INFO L168 Benchmark]: Toolchain (without parser) took 248840.40 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -155.6 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-27 08:04:30,367 INFO L168 Benchmark]: CDTParser took 1.32 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 08:04:30,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2854.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2018-10-27 08:04:30,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 716.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 803.7 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2018-10-27 08:04:30,370 INFO L168 Benchmark]: Boogie Preprocessor took 412.88 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: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2018-10-27 08:04:30,371 INFO L168 Benchmark]: RCFGBuilder took 11190.44 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 218.1 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -41.8 MB). Peak memory consumption was 676.7 MB. Max. memory is 7.1 GB. [2018-10-27 08:04:30,372 INFO L168 Benchmark]: TraceAbstraction took 233660.63 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 1.6 GB in the end (delta: 659.8 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-27 08:04:30,378 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 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 2854.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 716.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 803.7 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 412.88 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: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11190.44 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 218.1 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -41.8 MB). Peak memory consumption was 676.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 233660.63 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 1.6 GB in the end (delta: 659.8 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 195]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 195). Cancelled while BasicCegarLoop was constructing difference of abstraction (8648states) and FLOYD_HOARE automaton (currently 6 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (8523 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 233.5s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 229.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2123 SDtfs, 11038 SDslu, 1699 SDs, 0 SdLazy, 17788 SolverSat, 4983 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 204.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 247 GetRequests, 223 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8648occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9976606479817945 AbsIntWeakeningRatio, 0.12272727272727273 AbsIntAvgWeakeningVarsNumRemoved, 16.454545454545453 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 126 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 610 NumberOfCodeBlocks, 610 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 606 ConstructedInterpolants, 0 QuantifiedInterpolants, 352102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 249/320 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown