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_CON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label11_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 10:30:08,473 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 10:30:08,476 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 10:30:08,489 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 10:30:08,489 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 10:30:08,490 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 10:30:08,492 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 10:30:08,494 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 10:30:08,495 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 10:30:08,496 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 10:30:08,497 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 10:30:08,498 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 10:30:08,499 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 10:30:08,500 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 10:30:08,501 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 10:30:08,502 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 10:30:08,503 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 10:30:08,505 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 10:30:08,507 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 10:30:08,508 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 10:30:08,510 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 10:30:08,511 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 10:30:08,514 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 10:30:08,514 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 10:30:08,514 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 10:30:08,516 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 10:30:08,517 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 10:30:08,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 10:30:08,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 10:30:08,520 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 10:30:08,520 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 10:30:08,521 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 10:30:08,521 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 10:30:08,521 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 10:30:08,522 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 10:30:08,523 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 10:30:08,524 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf [2018-08-08 10:30:08,541 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 10:30:08,542 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 10:30:08,543 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 10:30:08,543 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 10:30:08,544 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 10:30:08,544 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 10:30:08,544 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 10:30:08,544 INFO L133 SettingsManager]: * Octagon Domain=false [2018-08-08 10:30:08,545 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-08-08 10:30:08,545 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 10:30:08,545 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 10:30:08,545 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 10:30:08,546 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 10:30:08,546 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 10:30:08,546 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 10:30:08,547 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 10:30:08,547 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 10:30:08,547 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 10:30:08,547 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 10:30:08,548 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 10:30:08,548 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 10:30:08,549 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 10:30:08,549 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 10:30:08,549 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 10:30:08,549 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 10:30:08,549 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 10:30:08,549 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 10:30:08,550 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 10:30:08,550 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 10:30:08,550 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 10:30:08,550 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 10:30:08,551 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 10:30:08,551 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 10:30:08,551 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 10:30:08,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 10:30:08,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 10:30:08,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 10:30:08,650 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 10:30:08,650 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 10:30:08,651 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label11_true-unreach-call.c [2018-08-08 10:30:09,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022ad7b1b/08d572d59f704318af8a64021660170a/FLAG1f60e627a [2018-08-08 10:30:09,338 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 10:30:09,341 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label11_true-unreach-call.c [2018-08-08 10:30:09,365 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022ad7b1b/08d572d59f704318af8a64021660170a/FLAG1f60e627a [2018-08-08 10:30:09,387 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022ad7b1b/08d572d59f704318af8a64021660170a [2018-08-08 10:30:09,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 10:30:09,405 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 10:30:09,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 10:30:09,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 10:30:09,417 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 10:30:09,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:30:09" (1/1) ... [2018-08-08 10:30:09,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319e9e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:30:09, skipping insertion in model container [2018-08-08 10:30:09,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:30:09" (1/1) ... [2018-08-08 10:30:09,648 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 10:30:10,042 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 10:30:10,059 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 10:30:10,259 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 10:30:10,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:30:10 WrapperNode [2018-08-08 10:30:10,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 10:30:10,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 10:30:10,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 10:30:10,345 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 10:30:10,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:30:10" (1/1) ... [2018-08-08 10:30:10,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:30:10" (1/1) ... [2018-08-08 10:30:10,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 10:30:10,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 10:30:10,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 10:30:10,502 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 10:30:10,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:30:10" (1/1) ... [2018-08-08 10:30:10,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:30:10" (1/1) ... [2018-08-08 10:30:10,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:30:10" (1/1) ... [2018-08-08 10:30:10,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:30:10" (1/1) ... [2018-08-08 10:30:10,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:30:10" (1/1) ... [2018-08-08 10:30:10,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:30:10" (1/1) ... [2018-08-08 10:30:10,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:30:10" (1/1) ... [2018-08-08 10:30:10,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 10:30:10,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 10:30:10,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 10:30:10,893 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 10:30:10,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:30:10" (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 10:30:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 10:30:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 10:30:10,971 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 10:30:10,971 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 10:30:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 10:30:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 10:30:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 10:30:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 10:30:16,393 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 10:30:16,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:30:16 BoogieIcfgContainer [2018-08-08 10:30:16,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 10:30:16,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 10:30:16,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 10:30:16,404 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 10:30:16,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 10:30:09" (1/3) ... [2018-08-08 10:30:16,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be5da77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 10:30:16, skipping insertion in model container [2018-08-08 10:30:16,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:30:10" (2/3) ... [2018-08-08 10:30:16,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be5da77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 10:30:16, skipping insertion in model container [2018-08-08 10:30:16,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:30:16" (3/3) ... [2018-08-08 10:30:16,410 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label11_true-unreach-call.c [2018-08-08 10:30:16,424 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 10:30:16,442 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 10:30:16,512 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 10:30:16,513 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 10:30:16,513 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 10:30:16,514 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 10:30:16,514 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 10:30:16,514 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 10:30:16,514 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 10:30:16,514 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 10:30:16,514 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 10:30:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-08-08 10:30:16,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-08-08 10:30:16,575 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 10:30:16,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 10:30:16,577 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 10:30:16,583 INFO L82 PathProgramCache]: Analyzing trace with hash 586215740, now seen corresponding path program 1 times [2018-08-08 10:30:16,586 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 10:30:16,587 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 69 with the following transitions: [2018-08-08 10:30:16,590 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], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-08-08 10:30:16,628 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 10:30:16,628 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 10:30:17,316 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 10:30:17,318 INFO L272 AbstractInterpreter]: Visited 67 different actions 67 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-08-08 10:30:17,362 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 10:30:17,702 INFO L232 lantSequenceWeakener]: Weakened 65 states. On average, predicates are now at 75.47% of their original sizes. [2018-08-08 10:30:17,702 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 10:30:17,867 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 10:30:17,868 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 10:30:17,869 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-08-08 10:30:17,869 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 10:30:17,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-08-08 10:30:17,882 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-08-08 10:30:17,883 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-08-08 10:30:17,885 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 5 states. [2018-08-08 10:30:21,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 10:30:21,488 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-08-08 10:30:21,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-08-08 10:30:21,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2018-08-08 10:30:21,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 10:30:21,512 INFO L225 Difference]: With dead ends: 776 [2018-08-08 10:30:21,513 INFO L226 Difference]: Without dead ends: 481 [2018-08-08 10:30:21,524 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-08-08 10:30:21,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-08-08 10:30:21,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-08-08 10:30:21,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-08-08 10:30:21,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-08-08 10:30:21,604 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 68 [2018-08-08 10:30:21,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 10:30:21,604 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-08-08 10:30:21,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-08-08 10:30:21,605 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-08-08 10:30:21,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-08-08 10:30:21,614 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 10:30:21,615 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, 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] [2018-08-08 10:30:21,615 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 10:30:21,615 INFO L82 PathProgramCache]: Analyzing trace with hash -743169051, now seen corresponding path program 1 times [2018-08-08 10:30:21,616 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 10:30:21,616 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-08-08 10:30:21,617 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], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [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 10:30:21,626 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 10:30:21,627 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 10:31:14,707 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 10:31:14,707 INFO L272 AbstractInterpreter]: Visited 124 different actions 242 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-08-08 10:31:14,721 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 10:31:33,417 INFO L232 lantSequenceWeakener]: Weakened 182 states. On average, predicates are now at 74.06% of their original sizes. [2018-08-08 10:31:33,417 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 10:31:33,763 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 10:31:33,763 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 10:31:33,763 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 10:31:33,763 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 10:31:33,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 10:31:33,767 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 10:31:33,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-08-08 10:31:33,768 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 9 states. [2018-08-08 10:31:39,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 10:31:39,691 INFO L93 Difference]: Finished difference Result 957 states and 1542 transitions. [2018-08-08 10:31:39,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-08-08 10:31:39,693 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 185 [2018-08-08 10:31:39,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 10:31:39,699 INFO L225 Difference]: With dead ends: 957 [2018-08-08 10:31:39,700 INFO L226 Difference]: Without dead ends: 674 [2018-08-08 10:31:39,703 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 190 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-08-08 10:31:39,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-08-08 10:31:39,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 668. [2018-08-08 10:31:39,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2018-08-08 10:31:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 897 transitions. [2018-08-08 10:31:39,741 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 897 transitions. Word has length 185 [2018-08-08 10:31:39,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 10:31:39,743 INFO L480 AbstractCegarLoop]: Abstraction has 668 states and 897 transitions. [2018-08-08 10:31:39,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-08 10:31:39,743 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 897 transitions. [2018-08-08 10:31:39,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-08-08 10:31:39,748 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 10:31:39,748 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, 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] [2018-08-08 10:31:39,749 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 10:31:39,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1602758185, now seen corresponding path program 1 times [2018-08-08 10:31:39,749 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 10:31:39,750 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-08-08 10:31:39,750 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], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [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] [2018-08-08 10:31:39,754 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 10:31:39,754 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 10:32:32,005 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 10:32:32,005 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. [2018-08-08 10:32:32,010 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 10:32:50,376 INFO L232 lantSequenceWeakener]: Weakened 197 states. On average, predicates are now at 74.06% of their original sizes. [2018-08-08 10:32:50,376 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 10:32:50,518 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 10:32:50,518 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 10:32:50,519 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-08-08 10:32:50,519 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 10:32:50,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-08-08 10:32:50,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-08-08 10:32:50,520 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-08-08 10:32:50,520 INFO L87 Difference]: Start difference. First operand 668 states and 897 transitions. Second operand 11 states. [2018-08-08 10:32:56,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 10:32:56,776 INFO L93 Difference]: Finished difference Result 1350 states and 2149 transitions. [2018-08-08 10:32:56,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 10:32:56,786 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 200 [2018-08-08 10:32:56,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 10:32:56,793 INFO L225 Difference]: With dead ends: 1350 [2018-08-08 10:32:56,793 INFO L226 Difference]: Without dead ends: 1067 [2018-08-08 10:32:56,796 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 207 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2018-08-08 10:32:56,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2018-08-08 10:32:56,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1060. [2018-08-08 10:32:56,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1060 states. [2018-08-08 10:32:56,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1330 transitions. [2018-08-08 10:32:56,834 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1330 transitions. Word has length 200 [2018-08-08 10:32:56,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 10:32:56,835 INFO L480 AbstractCegarLoop]: Abstraction has 1060 states and 1330 transitions. [2018-08-08 10:32:56,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-08-08 10:32:56,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1330 transitions. [2018-08-08 10:32:56,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-08-08 10:32:56,841 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 10:32:56,841 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, 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] [2018-08-08 10:32:56,842 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 10:32:56,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1832137122, now seen corresponding path program 1 times [2018-08-08 10:32:56,842 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 10:32:56,842 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-08-08 10:32:56,843 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], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [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], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-08-08 10:32:56,847 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 10:32:56,847 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 10:33:59,114 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 10:33:59,115 INFO L272 AbstractInterpreter]: Visited 155 different actions 304 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-08-08 10:33:59,144 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 10:34:21,011 INFO L232 lantSequenceWeakener]: Weakened 213 states. On average, predicates are now at 73.92% of their original sizes. [2018-08-08 10:34:21,011 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 10:34:21,107 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 10:34:21,107 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 10:34:21,107 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 10:34:21,108 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 10:34:21,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 10:34:21,108 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 10:34:21,108 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-08-08 10:34:21,109 INFO L87 Difference]: Start difference. First operand 1060 states and 1330 transitions. Second operand 9 states. Received shutdown request... [2018-08-08 10:34:22,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 10:34:22,158 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 10:34:22,164 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 10:34:22,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 10:34:22 BoogieIcfgContainer [2018-08-08 10:34:22,165 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 10:34:22,166 INFO L168 Benchmark]: Toolchain (without parser) took 252764.37 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 969.0 MB in the end (delta: 430.8 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-08-08 10:34:22,168 INFO L168 Benchmark]: CDTParser took 0.19 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 10:34:22,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 937.33 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 10:34:22,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.90 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 10:34:22,170 INFO L168 Benchmark]: Boogie Preprocessor took 390.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 813.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -935.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. [2018-08-08 10:34:22,171 INFO L168 Benchmark]: RCFGBuilder took 5506.31 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 186.6 MB). Peak memory consumption was 186.6 MB. Max. memory is 7.1 GB. [2018-08-08 10:34:22,172 INFO L168 Benchmark]: TraceAbstraction took 245764.82 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.1 GB in the beginning and 969.0 MB in the end (delta: 1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-08-08 10:34:22,177 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 937.33 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 156.90 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 390.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 813.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -935.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5506.31 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 186.6 MB). Peak memory consumption was 186.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 245764.82 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.1 GB in the beginning and 969.0 MB in the end (delta: 1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 189]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 189). Cancelled while BasicCegarLoop was constructing difference of abstraction (1060states) and FLOYD_HOARE automaton (currently 6 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (89 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 245.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 16.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 879 SDtfs, 2498 SDslu, 1306 SDs, 0 SdLazy, 8551 SolverSat, 723 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 682 GetRequests, 639 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1060occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 168.4s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9979356082513975 AbsIntWeakeningRatio, 0.12481203007518797 AbsIntAvgWeakeningVarsNumRemoved, 2.186466165413534 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 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_label11_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_10-34-22-191.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label11_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_10-34-22-191.csv Completed graceful shutdown