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_label40_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 05:45:26,323 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 05:45:26,326 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 05:45:26,338 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 05:45:26,338 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 05:45:26,339 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 05:45:26,341 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 05:45:26,342 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 05:45:26,344 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 05:45:26,345 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 05:45:26,346 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 05:45:26,346 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 05:45:26,347 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 05:45:26,348 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 05:45:26,349 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 05:45:26,350 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 05:45:26,351 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 05:45:26,355 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 05:45:26,358 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 05:45:26,362 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 05:45:26,364 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 05:45:26,370 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 05:45:26,372 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 05:45:26,372 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 05:45:26,372 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 05:45:26,373 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 05:45:26,374 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 05:45:26,378 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 05:45:26,379 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 05:45:26,380 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 05:45:26,380 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 05:45:26,381 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-08-08 05:45:26,386 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 [2018-08-08 05:45:26,414 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 05:45:26,414 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 05:45:26,415 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 05:45:26,415 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 05:45:26,419 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 05:45:26,419 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 05:45:26,420 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 05:45:26,420 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 05:45:26,420 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 05:45:26,420 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 05:45:26,420 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 05:45:26,421 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 05:45:26,422 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 05:45:26,422 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 05:45:26,422 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 05:45:26,422 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 05:45:26,424 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 05:45:26,424 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 05:45:26,424 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 05:45:26,424 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 05:45:26,424 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 05:45:26,425 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 05:45:26,425 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 05:45:26,425 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 05:45:26,425 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 05:45:26,426 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 05:45:26,426 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 05:45:26,426 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 05:45:26,426 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 05:45:26,426 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 05:45:26,427 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 05:45:26,427 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 05:45:26,427 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 05:45:26,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 05:45:26,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 05:45:26,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 05:45:26,514 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 05:45:26,514 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 05:45:26,516 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label40_true-unreach-call.c [2018-08-08 05:45:26,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f60279c8b/38067cd63f614eee93ef36d0e293b0d6/FLAG426a7a8e9 [2018-08-08 05:45:27,248 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 05:45:27,249 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label40_true-unreach-call.c [2018-08-08 05:45:27,271 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f60279c8b/38067cd63f614eee93ef36d0e293b0d6/FLAG426a7a8e9 [2018-08-08 05:45:27,288 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f60279c8b/38067cd63f614eee93ef36d0e293b0d6 [2018-08-08 05:45:27,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 05:45:27,306 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 05:45:27,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 05:45:27,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 05:45:27,314 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 05:45:27,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:45:27" (1/1) ... [2018-08-08 05:45:27,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85aa627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:45:27, skipping insertion in model container [2018-08-08 05:45:27,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:45:27" (1/1) ... [2018-08-08 05:45:27,549 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 05:45:27,951 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 05:45:27,969 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 05:45:28,264 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 05:45:28,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:45:28 WrapperNode [2018-08-08 05:45:28,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 05:45:28,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 05:45:28,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 05:45:28,354 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 05:45:28,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:45:28" (1/1) ... [2018-08-08 05:45:28,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:45:28" (1/1) ... [2018-08-08 05:45:28,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 05:45:28,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 05:45:28,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 05:45:28,564 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 05:45:28,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:45:28" (1/1) ... [2018-08-08 05:45:28,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:45:28" (1/1) ... [2018-08-08 05:45:28,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:45:28" (1/1) ... [2018-08-08 05:45:28,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:45:28" (1/1) ... [2018-08-08 05:45:28,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:45:28" (1/1) ... [2018-08-08 05:45:28,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:45:28" (1/1) ... [2018-08-08 05:45:28,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:45:28" (1/1) ... [2018-08-08 05:45:28,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 05:45:28,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 05:45:28,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 05:45:28,970 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 05:45:28,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:45:28" (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 [2018-08-08 05:45:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 05:45:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 05:45:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 05:45:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 05:45:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 05:45:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 05:45:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 05:45:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 05:45:34,442 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 05:45:34,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:45:34 BoogieIcfgContainer [2018-08-08 05:45:34,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 05:45:34,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 05:45:34,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 05:45:34,448 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 05:45:34,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 05:45:27" (1/3) ... [2018-08-08 05:45:34,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349c16c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 05:45:34, skipping insertion in model container [2018-08-08 05:45:34,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:45:28" (2/3) ... [2018-08-08 05:45:34,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349c16c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 05:45:34, skipping insertion in model container [2018-08-08 05:45:34,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:45:34" (3/3) ... [2018-08-08 05:45:34,453 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label40_true-unreach-call.c [2018-08-08 05:45:34,462 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 05:45:34,471 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 05:45:34,525 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 05:45:34,526 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 05:45:34,526 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 05:45:34,526 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 05:45:34,526 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 05:45:34,526 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 05:45:34,526 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 05:45:34,527 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 05:45:34,527 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 05:45:34,557 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-08-08 05:45:34,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-08-08 05:45:34,567 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:45:34,569 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:45:34,570 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:45:34,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1597771487, now seen corresponding path program 1 times [2018-08-08 05:45:34,579 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:45:34,580 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 52 with the following transitions: [2018-08-08 05:45:34,583 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [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], [309], [311], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-08-08 05:45:34,651 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:45:34,652 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:45:37,656 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:45:37,657 INFO L272 AbstractInterpreter]: Visited 50 different actions 50 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-08-08 05:45:37,675 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:45:38,774 INFO L232 lantSequenceWeakener]: Weakened 49 states. On average, predicates are now at 75.41% of their original sizes. [2018-08-08 05:45:38,774 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:45:39,142 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:45:39,143 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:45:39,144 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 05:45:39,144 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:45:39,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 05:45:39,158 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 05:45:39,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 05:45:39,161 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-08-08 05:45:48,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:45:48,614 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-08-08 05:45:48,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 05:45:48,618 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-08-08 05:45:48,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:45:48,636 INFO L225 Difference]: With dead ends: 776 [2018-08-08 05:45:48,636 INFO L226 Difference]: Without dead ends: 481 [2018-08-08 05:45:48,645 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 05:45:48,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-08-08 05:45:48,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-08-08 05:45:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-08-08 05:45:48,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-08-08 05:45:48,763 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 51 [2018-08-08 05:45:48,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:45:48,764 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-08-08 05:45:48,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 05:45:48,764 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-08-08 05:45:48,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-08-08 05:45:48,779 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:45:48,779 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, 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] [2018-08-08 05:45:48,780 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:45:48,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1775157657, now seen corresponding path program 1 times [2018-08-08 05:45:48,780 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:45:48,781 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-08-08 05:45:48,781 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [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], [309], [311], [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] [2018-08-08 05:45:48,796 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:45:48,797 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:46:15,108 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 05:48:55,871 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:48:55,872 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. [2018-08-08 05:48:55,892 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-08-08 05:49:38,709 INFO L232 lantSequenceWeakener]: Weakened 166 states. On average, predicates are now at 73.83% of their original sizes. [2018-08-08 05:49:38,709 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:49:38,786 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 05:49:38,791 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 05:49:38,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 05:49:38 BoogieIcfgContainer [2018-08-08 05:49:38,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 05:49:38,793 INFO L168 Benchmark]: Toolchain (without parser) took 251488.76 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -663.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-08-08 05:49:38,795 INFO L168 Benchmark]: CDTParser took 0.54 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. [2018-08-08 05:49:38,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1044.19 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-08-08 05:49:38,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 209.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 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. [2018-08-08 05:49:38,798 INFO L168 Benchmark]: Boogie Preprocessor took 405.68 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 787.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -910.3 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2018-08-08 05:49:38,800 INFO L168 Benchmark]: RCFGBuilder took 5473.65 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 201.1 MB). Peak memory consumption was 201.1 MB. Max. memory is 7.1 GB. [2018-08-08 05:49:38,801 INFO L168 Benchmark]: TraceAbstraction took 244347.84 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 2.1 GB in the end (delta: -49.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-08-08 05:49:38,809 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 1044.19 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 209.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 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 405.68 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 787.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -910.3 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5473.65 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 201.1 MB). Peak memory consumption was 201.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 244347.84 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 2.1 GB in the end (delta: -49.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 138). Cancelled while BasicCegarLoop was analyzing trace of length 169 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 244.2s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 9.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 303 SDtfs, 193 SDslu, 267 SDs, 0 SdLazy, 1399 SolverSat, 179 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=479occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 190.2s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9930322280552695 AbsIntWeakeningRatio, 0.17511520737327188 AbsIntAvgWeakeningVarsNumRemoved, 277.7926267281106 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 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_label40_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_05-49-38-835.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label40_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_05-49-38-835.csv Completed graceful shutdown