java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 20:51:32,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 20:51:32,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 20:51:32,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 20:51:32,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 20:51:32,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 20:51:32,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 20:51:32,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 20:51:32,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 20:51:32,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 20:51:32,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 20:51:32,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 20:51:32,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 20:51:32,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 20:51:32,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 20:51:32,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 20:51:32,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 20:51:32,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 20:51:32,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 20:51:32,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 20:51:32,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 20:51:32,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 20:51:32,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 20:51:32,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 20:51:32,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 20:51:32,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 20:51:32,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 20:51:32,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 20:51:32,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-03 20:51:32,475 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 20:51:32,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 20:51:32,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 20:51:32,476 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 20:51:32,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 20:51:32,476 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 20:51:32,477 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 20:51:32,477 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 20:51:32,477 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 20:51:32,477 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 20:51:32,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 20:51:32,478 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 20:51:32,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 20:51:32,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 20:51:32,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 20:51:32,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 20:51:32,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 20:51:32,479 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 20:51:32,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 20:51:32,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 20:51:32,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 20:51:32,480 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 20:51:32,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 20:51:32,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 20:51:32,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 20:51:32,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 20:51:32,481 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 20:51:32,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 20:51:32,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 20:51:32,481 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 20:51:32,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 20:51:32,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 20:51:32,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 20:51:32,536 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 20:51:32,536 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 20:51:32,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i [2019-09-03 20:51:32,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b64c542d/97c29d9efd63499a8ef445262f7ee065/FLAG66beb8ac7 [2019-09-03 20:51:32,996 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 20:51:32,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i [2019-09-03 20:51:33,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b64c542d/97c29d9efd63499a8ef445262f7ee065/FLAG66beb8ac7 [2019-09-03 20:51:33,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b64c542d/97c29d9efd63499a8ef445262f7ee065 [2019-09-03 20:51:33,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 20:51:33,452 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 20:51:33,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 20:51:33,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 20:51:33,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 20:51:33,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 08:51:33" (1/1) ... [2019-09-03 20:51:33,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e607a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:51:33, skipping insertion in model container [2019-09-03 20:51:33,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 08:51:33" (1/1) ... [2019-09-03 20:51:33,471 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 20:51:33,496 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 20:51:33,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 20:51:33,745 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 20:51:33,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 20:51:33,798 INFO L192 MainTranslator]: Completed translation [2019-09-03 20:51:33,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:51:33 WrapperNode [2019-09-03 20:51:33,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 20:51:33,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 20:51:33,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 20:51:33,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 20:51:33,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:51:33" (1/1) ... [2019-09-03 20:51:33,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:51:33" (1/1) ... [2019-09-03 20:51:33,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:51:33" (1/1) ... [2019-09-03 20:51:33,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:51:33" (1/1) ... [2019-09-03 20:51:33,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:51:33" (1/1) ... [2019-09-03 20:51:33,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:51:33" (1/1) ... [2019-09-03 20:51:33,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:51:33" (1/1) ... [2019-09-03 20:51:33,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 20:51:33,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 20:51:33,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 20:51:33,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 20:51:33,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:51:33" (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 [2019-09-03 20:51:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 20:51:34,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 20:51:34,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 20:51:34,013 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 20:51:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 20:51:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 20:51:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 20:51:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-03 20:51:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 20:51:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-03 20:51:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-03 20:51:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-03 20:51:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-03 20:51:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 20:51:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 20:51:34,219 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 20:51:34,219 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 20:51:34,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 08:51:34 BoogieIcfgContainer [2019-09-03 20:51:34,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 20:51:34,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-03 20:51:34,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-03 20:51:34,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-03 20:51:34,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.09 08:51:33" (1/3) ... [2019-09-03 20:51:34,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43270fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 08:51:34, skipping insertion in model container [2019-09-03 20:51:34,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:51:33" (2/3) ... [2019-09-03 20:51:34,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43270fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 08:51:34, skipping insertion in model container [2019-09-03 20:51:34,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 08:51:34" (3/3) ... [2019-09-03 20:51:34,228 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_1-2.i [2019-09-03 20:51:34,238 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-03 20:51:34,246 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-03 20:51:34,274 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-03 20:51:34,332 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-03 20:51:34,333 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-03 20:51:34,333 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-03 20:51:34,333 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-03 20:51:34,333 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-03 20:51:34,333 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-03 20:51:34,334 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-03 20:51:34,334 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-03 20:51:34,353 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-09-03 20:51:34,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-09-03 20:51:34,363 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 20:51:34,364 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 20:51:34,368 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 20:51:34,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 20:51:34,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1853270157, now seen corresponding path program 1 times [2019-09-03 20:51:34,397 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-03 20:51:34,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:51:34,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 20:51:34,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:51:34,436 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-03 20:51:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 20:51:34,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-03 20:51:34,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-03 20:51:34,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-03 20:51:34,513 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-03 20:51:34,516 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-03 20:51:34,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-03 20:51:34,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-03 20:51:34,530 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2019-09-03 20:51:34,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 20:51:34,543 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2019-09-03 20:51:34,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-03 20:51:34,544 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-09-03 20:51:34,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 20:51:34,552 INFO L225 Difference]: With dead ends: 22 [2019-09-03 20:51:34,552 INFO L226 Difference]: Without dead ends: 15 [2019-09-03 20:51:34,554 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-03 20:51:34,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-09-03 20:51:34,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-09-03 20:51:34,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-09-03 20:51:34,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-09-03 20:51:34,589 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2019-09-03 20:51:34,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 20:51:34,589 INFO L475 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-09-03 20:51:34,589 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-03 20:51:34,590 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-09-03 20:51:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-09-03 20:51:34,591 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 20:51:34,591 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 20:51:34,591 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 20:51:34,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 20:51:34,592 INFO L82 PathProgramCache]: Analyzing trace with hash -2067386223, now seen corresponding path program 1 times [2019-09-03 20:51:34,592 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-03 20:51:34,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:51:34,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 20:51:34,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:51:34,593 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-03 20:51:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-03 20:51:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-03 20:51:34,692 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-03 20:51:34,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.09 08:51:34 BoogieIcfgContainer [2019-09-03 20:51:34,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-03 20:51:34,724 INFO L168 Benchmark]: Toolchain (without parser) took 1270.96 ms. Allocated memory was 129.0 MB in the beginning and 197.7 MB in the end (delta: 68.7 MB). Free memory was 84.3 MB in the beginning and 136.1 MB in the end (delta: -51.8 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-09-03 20:51:34,725 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 129.0 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 20:51:34,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.05 ms. Allocated memory is still 129.0 MB. Free memory was 84.1 MB in the beginning and 74.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-03 20:51:34,727 INFO L168 Benchmark]: Boogie Preprocessor took 153.69 ms. Allocated memory was 129.0 MB in the beginning and 197.7 MB in the end (delta: 68.7 MB). Free memory was 74.5 MB in the beginning and 173.2 MB in the end (delta: -98.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-03 20:51:34,728 INFO L168 Benchmark]: RCFGBuilder took 267.60 ms. Allocated memory is still 197.7 MB. Free memory was 173.2 MB in the beginning and 160.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-09-03 20:51:34,729 INFO L168 Benchmark]: TraceAbstraction took 499.19 ms. Allocated memory is still 197.7 MB. Free memory was 159.5 MB in the beginning and 136.1 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-09-03 20:51:34,733 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 129.0 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 344.05 ms. Allocated memory is still 129.0 MB. Free memory was 84.1 MB in the beginning and 74.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 153.69 ms. Allocated memory was 129.0 MB in the beginning and 197.7 MB in the end (delta: 68.7 MB). Free memory was 74.5 MB in the beginning and 173.2 MB in the end (delta: -98.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 267.60 ms. Allocated memory is still 197.7 MB. Free memory was 173.2 MB in the beginning and 160.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 499.19 ms. Allocated memory is still 197.7 MB. Free memory was 159.5 MB in the beginning and 136.1 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L21] unsigned int array[10000]; [L22] unsigned int index = 0; [L23] unsigned int tmp = 0; VAL [array={1:0}, index=0, tmp=0] [L25] COND TRUE 1 [L26] index = __VERIFIER_nondet_uint() [L27] COND TRUE index >= 10000 VAL [array={1:0}, index=10000, tmp=0] [L34] EXPR tmp < 10000 && array[tmp] == tmp [L34] EXPR array[tmp] [L34] EXPR tmp < 10000 && array[tmp] == tmp VAL [array={1:0}, array[tmp]=1, index=10000, tmp=0, tmp < 10000 && array[tmp] == tmp=0] [L34] CALL __VERIFIER_assert(tmp < 10000 && array[tmp] == tmp) VAL [\old(cond)=0] [L11] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L12] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...