java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label07_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 11:30:16,566 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 11:30:16,568 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 11:30:16,583 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 11:30:16,583 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 11:30:16,585 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 11:30:16,586 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 11:30:16,587 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 11:30:16,589 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 11:30:16,590 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 11:30:16,591 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 11:30:16,591 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 11:30:16,592 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 11:30:16,593 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 11:30:16,594 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 11:30:16,596 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 11:30:16,596 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 11:30:16,598 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 11:30:16,603 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 11:30:16,607 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 11:30:16,608 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 11:30:16,614 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 11:30:16,618 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-15 11:30:16,628 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 11:30:16,628 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 11:30:16,629 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 11:30:16,633 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 11:30:16,634 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-15 11:30:16,652 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 11:30:16,655 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 11:30:16,656 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 11:30:16,656 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 11:30:16,656 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 11:30:16,656 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 11:30:16,656 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 11:30:16,657 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 11:30:16,657 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 11:30:16,657 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 11:30:16,657 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 11:30:16,659 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 11:30:16,660 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 11:30:16,660 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 11:30:16,660 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 11:30:16,660 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 11:30:16,660 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 11:30:16,662 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 11:30:16,662 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 11:30:16,663 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 11:30:16,663 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 11:30:16,663 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 11:30:16,663 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 11:30:16,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 11:30:16,664 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 11:30:16,664 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 11:30:16,664 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 11:30:16,665 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 11:30:16,665 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 11:30:16,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 11:30:16,665 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 11:30:16,666 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 11:30:16,666 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 11:30:16,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 11:30:16,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 11:30:16,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 11:30:16,746 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 11:30:16,747 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 11:30:16,748 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label07_true-unreach-call.c [2018-09-15 11:30:17,082 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc535b3c8/2a729494a1a64a1383f5dfd24bd1ffaa/FLAG6186a02da [2018-09-15 11:30:17,429 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 11:30:17,431 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label07_true-unreach-call.c [2018-09-15 11:30:17,451 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc535b3c8/2a729494a1a64a1383f5dfd24bd1ffaa/FLAG6186a02da [2018-09-15 11:30:17,474 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc535b3c8/2a729494a1a64a1383f5dfd24bd1ffaa [2018-09-15 11:30:17,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 11:30:17,494 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 11:30:17,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 11:30:17,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 11:30:17,504 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 11:30:17,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:30:17" (1/1) ... [2018-09-15 11:30:17,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@164d8960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:17, skipping insertion in model container [2018-09-15 11:30:17,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:30:17" (1/1) ... [2018-09-15 11:30:17,522 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 11:30:18,160 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:30:18,179 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 11:30:18,410 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:30:18,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:18 WrapperNode [2018-09-15 11:30:18,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 11:30:18,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 11:30:18,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 11:30:18,492 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 11:30:18,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:18" (1/1) ... [2018-09-15 11:30:18,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:18" (1/1) ... [2018-09-15 11:30:18,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 11:30:18,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 11:30:18,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 11:30:18,689 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 11:30:18,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:18" (1/1) ... [2018-09-15 11:30:18,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:18" (1/1) ... [2018-09-15 11:30:18,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:18" (1/1) ... [2018-09-15 11:30:18,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:18" (1/1) ... [2018-09-15 11:30:19,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:18" (1/1) ... [2018-09-15 11:30:19,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:18" (1/1) ... [2018-09-15 11:30:19,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:18" (1/1) ... [2018-09-15 11:30:19,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 11:30:19,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 11:30:19,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 11:30:19,078 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 11:30:19,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 11:30:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 11:30:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 11:30:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 11:30:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 11:30:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 11:30:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 11:30:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 11:30:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 11:30:24,555 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 11:30:24,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:30:24 BoogieIcfgContainer [2018-09-15 11:30:24,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 11:30:24,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 11:30:24,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 11:30:24,562 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 11:30:24,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 11:30:17" (1/3) ... [2018-09-15 11:30:24,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b60376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:30:24, skipping insertion in model container [2018-09-15 11:30:24,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:30:18" (2/3) ... [2018-09-15 11:30:24,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b60376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:30:24, skipping insertion in model container [2018-09-15 11:30:24,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:30:24" (3/3) ... [2018-09-15 11:30:24,567 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label07_true-unreach-call.c [2018-09-15 11:30:24,578 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 11:30:24,589 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 11:30:24,652 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 11:30:24,653 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 11:30:24,653 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 11:30:24,653 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 11:30:24,654 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 11:30:24,654 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 11:30:24,654 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 11:30:24,654 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 11:30:24,654 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 11:30:24,696 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-15 11:30:24,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-15 11:30:24,703 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:30:24,705 INFO L376 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] [2018-09-15 11:30:24,706 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:30:24,712 INFO L82 PathProgramCache]: Analyzing trace with hash 816116164, now seen corresponding path program 1 times [2018-09-15 11:30:24,715 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:30:24,716 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 31 with the following transitions: [2018-09-15 11:30:24,719 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-15 11:30:24,799 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:30:24,800 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:30:26,482 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:30:26,484 INFO L272 AbstractInterpreter]: Visited 29 different actions 29 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-15 11:30:26,519 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:30:27,078 INFO L232 lantSequenceWeakener]: Weakened 28 states. On average, predicates are now at 74.28% of their original sizes. [2018-09-15 11:30:27,079 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:30:27,381 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:30:27,383 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:30:27,383 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 11:30:27,384 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:30:27,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 11:30:27,404 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 11:30:27,407 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:30:27,410 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-15 11:30:34,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:30:34,033 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-15 11:30:34,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 11:30:34,037 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-09-15 11:30:34,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:30:34,057 INFO L225 Difference]: With dead ends: 776 [2018-09-15 11:30:34,058 INFO L226 Difference]: Without dead ends: 481 [2018-09-15 11:30:34,067 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:30:34,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-15 11:30:34,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-15 11:30:34,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-15 11:30:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-15 11:30:34,163 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 30 [2018-09-15 11:30:34,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:30:34,164 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-15 11:30:34,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 11:30:34,164 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-15 11:30:34,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-15 11:30:34,175 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:30:34,175 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:30:34,176 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:30:34,177 INFO L82 PathProgramCache]: Analyzing trace with hash -985637683, now seen corresponding path program 1 times [2018-09-15 11:30:34,177 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:30:34,177 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-09-15 11:30:34,178 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:30:34,191 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:30:34,191 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:30:42,751 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 11:31:49,827 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:31:49,827 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 11:31:49,876 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:32:07,400 INFO L232 lantSequenceWeakener]: Weakened 145 states. On average, predicates are now at 73.39% of their original sizes. [2018-09-15 11:32:07,400 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:32:09,165 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:32:09,166 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:32:09,166 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 11:32:09,166 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:32:09,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 11:32:09,169 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 11:32:09,169 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 11:32:09,169 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 11 states. [2018-09-15 11:32:28,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:32:28,229 INFO L93 Difference]: Finished difference Result 957 states and 1541 transitions. [2018-09-15 11:32:28,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 11:32:28,230 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2018-09-15 11:32:28,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:32:28,237 INFO L225 Difference]: With dead ends: 957 [2018-09-15 11:32:28,237 INFO L226 Difference]: Without dead ends: 674 [2018-09-15 11:32:28,240 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 119 SyntacticMatches, 18 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-15 11:32:28,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-09-15 11:32:28,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 670. [2018-09-15 11:32:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2018-09-15 11:32:28,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 887 transitions. [2018-09-15 11:32:28,286 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 887 transitions. Word has length 147 [2018-09-15 11:32:28,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:32:28,287 INFO L480 AbstractCegarLoop]: Abstraction has 670 states and 887 transitions. [2018-09-15 11:32:28,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 11:32:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 887 transitions. [2018-09-15 11:32:28,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-09-15 11:32:28,290 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:32:28,291 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:32:28,291 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:32:28,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1768666457, now seen corresponding path program 1 times [2018-09-15 11:32:28,292 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:32:28,292 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-09-15 11:32:28,293 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:32:28,300 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:32:28,301 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:33:05,949 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:33:05,949 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 11:33:05,953 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:33:22,239 INFO L232 lantSequenceWeakener]: Weakened 155 states. On average, predicates are now at 73.37% of their original sizes. [2018-09-15 11:33:22,240 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:33:23,739 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:33:23,740 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:33:23,740 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 11:33:23,740 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:33:23,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 11:33:23,742 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 11:33:23,742 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 11:33:23,743 INFO L87 Difference]: Start difference. First operand 670 states and 887 transitions. Second operand 11 states. [2018-09-15 11:33:43,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:33:43,345 INFO L93 Difference]: Finished difference Result 1149 states and 1747 transitions. [2018-09-15 11:33:43,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 11:33:43,347 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 157 [2018-09-15 11:33:43,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:33:43,354 INFO L225 Difference]: With dead ends: 1149 [2018-09-15 11:33:43,354 INFO L226 Difference]: Without dead ends: 866 [2018-09-15 11:33:43,356 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 129 SyntacticMatches, 18 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-15 11:33:43,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2018-09-15 11:33:43,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 861. [2018-09-15 11:33:43,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-15 11:33:43,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1092 transitions. [2018-09-15 11:33:43,392 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1092 transitions. Word has length 157 [2018-09-15 11:33:43,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:33:43,392 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1092 transitions. [2018-09-15 11:33:43,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 11:33:43,393 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1092 transitions. [2018-09-15 11:33:43,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-09-15 11:33:43,396 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:33:43,397 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:33:43,397 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:33:43,397 INFO L82 PathProgramCache]: Analyzing trace with hash -786366209, now seen corresponding path program 1 times [2018-09-15 11:33:43,397 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:33:43,398 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-09-15 11:33:43,398 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:33:43,403 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:33:43,404 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:34:20,586 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:34:20,586 INFO L272 AbstractInterpreter]: Visited 139 different actions 272 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 11:34:20,616 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:34:35,266 INFO L232 lantSequenceWeakener]: Weakened 160 states. On average, predicates are now at 73.43% of their original sizes. [2018-09-15 11:34:35,266 INFO L412 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-09-15 11:34:35,413 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 11:34:35,417 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 11:34:35,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 11:34:35 BoogieIcfgContainer [2018-09-15 11:34:35,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 11:34:35,419 INFO L168 Benchmark]: Toolchain (without parser) took 257930.44 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -229.9 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-09-15 11:34:35,421 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-15 11:34:35,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 996.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-09-15 11:34:35,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.96 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-15 11:34:35,423 INFO L168 Benchmark]: Boogie Preprocessor took 388.57 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 816.8 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -945.9 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2018-09-15 11:34:35,424 INFO L168 Benchmark]: RCFGBuilder took 5479.56 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 184.9 MB). Peak memory consumption was 184.9 MB. Max. memory is 7.1 GB. [2018-09-15 11:34:35,424 INFO L168 Benchmark]: TraceAbstraction took 250860.20 ms. Allocated memory was 2.4 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 435.9 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-09-15 11:34:35,430 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 996.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 195.96 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 388.57 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 816.8 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -945.9 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5479.56 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 184.9 MB). Peak memory consumption was 184.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 250860.20 ms. Allocated memory was 2.4 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 435.9 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 75). Cancelled while BasicCegarLoop was analyzing trace of length 163 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 250.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 45.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 894 SDtfs, 1896 SDslu, 1504 SDs, 0 SdLazy, 8314 SolverSat, 555 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 347 GetRequests, 273 SyntacticMatches, 36 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=861occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 152.3s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9933457087928639 AbsIntWeakeningRatio, 0.16869918699186992 AbsIntAvgWeakeningVarsNumRemoved, 84.40243902439025 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label07_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_11-34-35-444.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label07_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_11-34-35-444.csv Completed graceful shutdown