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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 02:52:12,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 02:52:12,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 02:52:12,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-08 02:52:12,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 02:52:12,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 02:52:12,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 02:52:12,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 02:52:12,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 02:52:12,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 02:52:12,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 02:52:12,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 02:52:12,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 02:52:12,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 02:52:12,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 02:52:12,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 02:52:12,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 02:52:12,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 02:52:12,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 02:52:12,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 02:52:12,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 02:52:12,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 02:52:12,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 02:52:12,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 02:52:12,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 02:52:12,325 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 02:52:12,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 02:52:12,326 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 02:52:12,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 02:52:12,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 02:52:12,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 02:52:12,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 02:52:12,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 02:52:12,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 02:52:12,327 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 02:52:12,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 02:52:12,327 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 02:52:12,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 02:52:12,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 02:52:12,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 02:52:12,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 02:52:12,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 02:52:12,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 02:52:12,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 02:52:12,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 02:52:12,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 02:52:12,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 02:52:12,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 02:52:12,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 02:52:12,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 02:52:12,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 02:52:12,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 02:52:12,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 02:52:12,373 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 02:52:12,373 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 02:52:12,374 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i [2019-09-08 02:52:12,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e3a1fbcf/037f85a7539143e2ad71021e8c7b91d0/FLAG6d69116d3 [2019-09-08 02:52:12,833 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 02:52:12,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i [2019-09-08 02:52:12,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e3a1fbcf/037f85a7539143e2ad71021e8c7b91d0/FLAG6d69116d3 [2019-09-08 02:52:13,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e3a1fbcf/037f85a7539143e2ad71021e8c7b91d0 [2019-09-08 02:52:13,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 02:52:13,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 02:52:13,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 02:52:13,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 02:52:13,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 02:52:13,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:52:13" (1/1) ... [2019-09-08 02:52:13,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ca4fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:52:13, skipping insertion in model container [2019-09-08 02:52:13,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:52:13" (1/1) ... [2019-09-08 02:52:13,269 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 02:52:13,288 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 02:52:13,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 02:52:13,513 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 02:52:13,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 02:52:13,554 INFO L192 MainTranslator]: Completed translation [2019-09-08 02:52:13,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:52:13 WrapperNode [2019-09-08 02:52:13,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 02:52:13,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 02:52:13,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 02:52:13,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 02:52:13,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:52:13" (1/1) ... [2019-09-08 02:52:13,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:52:13" (1/1) ... [2019-09-08 02:52:13,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:52:13" (1/1) ... [2019-09-08 02:52:13,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:52:13" (1/1) ... [2019-09-08 02:52:13,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:52:13" (1/1) ... [2019-09-08 02:52:13,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:52:13" (1/1) ... [2019-09-08 02:52:13,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:52:13" (1/1) ... [2019-09-08 02:52:13,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 02:52:13,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 02:52:13,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 02:52:13,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 02:52:13,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:52:13" (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 [2019-09-08 02:52:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 02:52:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 02:52:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-08 02:52:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 02:52:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 02:52:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 02:52:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-08 02:52:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 02:52:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 02:52:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 02:52:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 02:52:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 02:52:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 02:52:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 02:52:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 02:52:13,953 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 02:52:13,953 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 02:52:13,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:52:13 BoogieIcfgContainer [2019-09-08 02:52:13,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 02:52:13,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 02:52:13,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 02:52:13,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 02:52:13,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:52:13" (1/3) ... [2019-09-08 02:52:13,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c030759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:52:13, skipping insertion in model container [2019-09-08 02:52:13,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:52:13" (2/3) ... [2019-09-08 02:52:13,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c030759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:52:13, skipping insertion in model container [2019-09-08 02:52:13,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:52:13" (3/3) ... [2019-09-08 02:52:13,964 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_1-2.i [2019-09-08 02:52:13,977 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 02:52:13,989 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 02:52:14,035 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 02:52:14,076 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 02:52:14,078 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 02:52:14,078 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 02:52:14,079 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 02:52:14,079 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 02:52:14,079 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 02:52:14,079 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 02:52:14,079 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 02:52:14,079 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 02:52:14,096 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-09-08 02:52:14,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-09-08 02:52:14,102 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:52:14,103 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:52:14,104 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:52:14,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:52:14,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1853270157, now seen corresponding path program 1 times [2019-09-08 02:52:14,109 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:52:14,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:52:14,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:52:14,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:52:14,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:52:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 02:52:14,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 02:52:14,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 02:52:14,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 02:52:14,232 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 02:52:14,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 02:52:14,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 02:52:14,245 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2019-09-08 02:52:14,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 02:52:14,268 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2019-09-08 02:52:14,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 02:52:14,270 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-09-08 02:52:14,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 02:52:14,279 INFO L225 Difference]: With dead ends: 36 [2019-09-08 02:52:14,279 INFO L226 Difference]: Without dead ends: 15 [2019-09-08 02:52:14,282 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 [2019-09-08 02:52:14,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-09-08 02:52:14,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-09-08 02:52:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-09-08 02:52:14,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-09-08 02:52:14,319 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2019-09-08 02:52:14,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 02:52:14,320 INFO L475 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-09-08 02:52:14,320 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 02:52:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-09-08 02:52:14,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-09-08 02:52:14,321 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 02:52:14,321 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 02:52:14,321 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 02:52:14,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 02:52:14,322 INFO L82 PathProgramCache]: Analyzing trace with hash -2067386223, now seen corresponding path program 1 times [2019-09-08 02:52:14,322 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 02:52:14,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 02:52:14,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:52:14,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 02:52:14,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 02:52:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 02:52:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 02:52:14,427 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 02:52:14,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 02:52:14 BoogieIcfgContainer [2019-09-08 02:52:14,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 02:52:14,454 INFO L168 Benchmark]: Toolchain (without parser) took 1204.56 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 91.4 MB in the beginning and 142.2 MB in the end (delta: -50.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-09-08 02:52:14,455 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 109.4 MB in the beginning and 109.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 02:52:14,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.38 ms. Allocated memory is still 137.9 MB. Free memory was 91.2 MB in the beginning and 81.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-08 02:52:14,457 INFO L168 Benchmark]: Boogie Preprocessor took 132.51 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 81.1 MB in the beginning and 179.4 MB in the end (delta: -98.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-09-08 02:52:14,458 INFO L168 Benchmark]: RCFGBuilder took 266.33 ms. Allocated memory is still 202.4 MB. Free memory was 179.4 MB in the beginning and 166.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-09-08 02:52:14,459 INFO L168 Benchmark]: TraceAbstraction took 494.88 ms. Allocated memory is still 202.4 MB. Free memory was 166.2 MB in the beginning and 142.2 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-09-08 02:52:14,463 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 109.4 MB in the beginning and 109.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 305.38 ms. Allocated memory is still 137.9 MB. Free memory was 91.2 MB in the beginning and 81.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.51 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 81.1 MB in the beginning and 179.4 MB in the end (delta: -98.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 266.33 ms. Allocated memory is still 202.4 MB. Free memory was 179.4 MB in the beginning and 166.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 494.88 ms. Allocated memory is still 202.4 MB. Free memory was 166.2 MB in the beginning and 142.2 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 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, 0.3s 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...