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/loops/veris.c_NetBSD-libc_loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 12:57:41,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 12:57:41,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 12:57:41,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 12:57:41,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 12:57:41,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 12:57:41,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 12:57:41,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 12:57:41,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 12:57:41,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 12:57:41,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 12:57:41,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 12:57:41,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 12:57:41,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 12:57:41,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 12:57:41,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 12:57:41,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 12:57:41,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 12:57:41,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 12:57:41,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 12:57:41,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 12:57:41,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 12:57:41,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 12:57:41,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 12:57:41,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 12:57:41,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 12:57:41,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 12:57:41,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 12:57:41,458 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 [2019-09-20 12:57:41,480 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 12:57:41,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 12:57:41,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 12:57:41,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 12:57:41,483 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 12:57:41,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 12:57:41,483 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 12:57:41,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 12:57:41,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 12:57:41,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 12:57:41,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 12:57:41,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 12:57:41,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 12:57:41,486 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 12:57:41,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 12:57:41,486 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 12:57:41,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 12:57:41,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 12:57:41,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 12:57:41,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 12:57:41,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 12:57:41,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 12:57:41,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 12:57:41,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 12:57:41,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 12:57:41,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 12:57:41,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 12:57:41,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 12:57:41,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 12:57:41,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 12:57:41,533 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 12:57:41,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 12:57:41,538 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 12:57:41,538 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 12:57:41,539 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-09-20 12:57:41,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a54c421f/bc822fb4e16d46378eee23c7e23d7cfb/FLAGce3cc0616 [2019-09-20 12:57:42,014 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 12:57:42,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-09-20 12:57:42,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a54c421f/bc822fb4e16d46378eee23c7e23d7cfb/FLAGce3cc0616 [2019-09-20 12:57:42,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a54c421f/bc822fb4e16d46378eee23c7e23d7cfb [2019-09-20 12:57:42,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 12:57:42,422 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 12:57:42,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 12:57:42,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 12:57:42,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 12:57:42,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:57:42" (1/1) ... [2019-09-20 12:57:42,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337b8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:42, skipping insertion in model container [2019-09-20 12:57:42,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:57:42" (1/1) ... [2019-09-20 12:57:42,438 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 12:57:42,454 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 12:57:42,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 12:57:42,634 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 12:57:42,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 12:57:42,663 INFO L192 MainTranslator]: Completed translation [2019-09-20 12:57:42,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:42 WrapperNode [2019-09-20 12:57:42,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 12:57:42,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 12:57:42,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 12:57:42,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 12:57:42,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:42" (1/1) ... [2019-09-20 12:57:42,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:42" (1/1) ... [2019-09-20 12:57:42,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:42" (1/1) ... [2019-09-20 12:57:42,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:42" (1/1) ... [2019-09-20 12:57:42,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:42" (1/1) ... [2019-09-20 12:57:42,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:42" (1/1) ... [2019-09-20 12:57:42,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:42" (1/1) ... [2019-09-20 12:57:42,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 12:57:42,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 12:57:42,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 12:57:42,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 12:57:42,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:42" (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 [2019-09-20 12:57:42,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 12:57:42,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 12:57:42,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 12:57:42,849 INFO L138 BoogieDeclarations]: Found implementation of procedure glob2 [2019-09-20 12:57:42,850 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 12:57:42,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 12:57:42,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 12:57:42,850 INFO L130 BoogieDeclarations]: Found specification of procedure glob2 [2019-09-20 12:57:42,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 12:57:42,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 12:57:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 12:57:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 12:57:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 12:57:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 12:57:42,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 12:57:43,101 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 12:57:43,102 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 12:57:43,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:57:43 BoogieIcfgContainer [2019-09-20 12:57:43,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 12:57:43,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 12:57:43,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 12:57:43,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 12:57:43,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 12:57:42" (1/3) ... [2019-09-20 12:57:43,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770e98fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:57:43, skipping insertion in model container [2019-09-20 12:57:43,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:57:42" (2/3) ... [2019-09-20 12:57:43,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770e98fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:57:43, skipping insertion in model container [2019-09-20 12:57:43,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:57:43" (3/3) ... [2019-09-20 12:57:43,120 INFO L109 eAbstractionObserver]: Analyzing ICFG veris.c_NetBSD-libc_loop.i [2019-09-20 12:57:43,131 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 12:57:43,141 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 12:57:43,157 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 12:57:43,185 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 12:57:43,186 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 12:57:43,186 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 12:57:43,186 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 12:57:43,186 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 12:57:43,186 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 12:57:43,187 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 12:57:43,187 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 12:57:43,187 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 12:57:43,201 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-09-20 12:57:43,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-09-20 12:57:43,206 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 12:57:43,207 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 12:57:43,208 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 12:57:43,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 12:57:43,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1626450083, now seen corresponding path program 1 times [2019-09-20 12:57:43,215 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 12:57:43,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 12:57:43,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:43,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 12:57:43,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 12:57:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 12:57:43,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 12:57:43,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 12:57:43,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 12:57:43,557 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 12:57:43,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 12:57:43,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 12:57:43,569 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 8 states. [2019-09-20 12:57:43,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 12:57:43,763 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2019-09-20 12:57:43,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 12:57:43,765 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-09-20 12:57:43,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 12:57:43,777 INFO L225 Difference]: With dead ends: 42 [2019-09-20 12:57:43,777 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 12:57:43,783 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-09-20 12:57:43,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 12:57:43,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 12:57:43,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 12:57:43,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 12:57:43,807 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-09-20 12:57:43,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 12:57:43,807 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 12:57:43,807 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 12:57:43,808 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 12:57:43,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 12:57:43,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 12:57:43,915 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 12:57:43,916 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-20 12:57:43,916 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 12:57:43,917 INFO L446 ceAbstractionStarter]: At program point glob2ENTRY(lines 14 25) the Hoare annotation is: true [2019-09-20 12:57:43,917 INFO L443 ceAbstractionStarter]: For program point glob2EXIT(lines 14 25) no Hoare annotation was computed. [2019-09-20 12:57:43,917 INFO L439 ceAbstractionStarter]: At program point L20(line 20) the Hoare annotation is: (or (not (= ~tmp~0.base |glob2_#in~pathbuf.base|)) (and (<= glob2_~p~0.offset ~tmp~0.offset) (<= glob2_~pathlim.offset ~tmp~0.offset) (= ~tmp~0.base glob2_~p~0.base)) (not (<= |glob2_#in~pathlim.offset| ~tmp~0.offset))) [2019-09-20 12:57:43,917 INFO L443 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2019-09-20 12:57:43,917 INFO L443 ceAbstractionStarter]: For program point L18-2(lines 18 22) no Hoare annotation was computed. [2019-09-20 12:57:43,918 INFO L439 ceAbstractionStarter]: At program point L18-3(lines 18 22) the Hoare annotation is: (or (and (<= glob2_~pathlim.offset ~tmp~0.offset) (= ~tmp~0.base glob2_~p~0.base)) (not (= ~tmp~0.base |glob2_#in~pathbuf.base|)) (not (<= |glob2_#in~pathlim.offset| ~tmp~0.offset))) [2019-09-20 12:57:43,918 INFO L443 ceAbstractionStarter]: For program point L18-4(lines 18 22) no Hoare annotation was computed. [2019-09-20 12:57:43,918 INFO L443 ceAbstractionStarter]: For program point glob2FINAL(lines 14 25) no Hoare annotation was computed. [2019-09-20 12:57:43,918 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 12:57:43,918 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-20 12:57:43,919 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 12:57:43,919 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 12:57:43,919 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 27 38) the Hoare annotation is: true [2019-09-20 12:57:43,919 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 27 38) no Hoare annotation was computed. [2019-09-20 12:57:43,919 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 27 38) no Hoare annotation was computed. [2019-09-20 12:57:43,920 INFO L439 ceAbstractionStarter]: At program point L35(line 35) the Hoare annotation is: (and (= ~tmp~0.base |main_~#pathbuf~0.base|) (<= main_~bound~0.offset ~tmp~0.offset)) [2019-09-20 12:57:43,920 INFO L443 ceAbstractionStarter]: For program point L35-1(line 35) no Hoare annotation was computed. [2019-09-20 12:57:43,920 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-09-20 12:57:43,920 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-09-20 12:57:43,921 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-09-20 12:57:43,921 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-09-20 12:57:43,921 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-09-20 12:57:43,921 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-09-20 12:57:43,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 12:57:43 BoogieIcfgContainer [2019-09-20 12:57:43,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 12:57:43,939 INFO L168 Benchmark]: Toolchain (without parser) took 1515.71 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 87.4 MB in the beginning and 109.0 MB in the end (delta: -21.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:43,940 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-20 12:57:43,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.94 ms. Allocated memory is still 140.0 MB. Free memory was 87.2 MB in the beginning and 77.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:43,942 INFO L168 Benchmark]: Boogie Preprocessor took 126.08 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 77.5 MB in the beginning and 177.1 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:43,943 INFO L168 Benchmark]: RCFGBuilder took 312.42 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 162.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:43,944 INFO L168 Benchmark]: TraceAbstraction took 832.25 ms. Allocated memory is still 200.3 MB. Free memory was 162.0 MB in the beginning and 109.0 MB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2019-09-20 12:57:43,948 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.94 ms. Allocated memory is still 140.0 MB. Free memory was 87.2 MB in the beginning and 77.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.08 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 77.5 MB in the beginning and 177.1 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 312.42 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 162.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 832.25 ms. Allocated memory is still 200.3 MB. Free memory was 162.0 MB in the beginning and 109.0 MB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((pathlim <= tmp && tmp == p) || !(tmp == pathbuf)) || !(pathlim <= tmp) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 26 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 17 SDslu, 61 SDs, 0 SdLazy, 64 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 10 PreInvPairs, 12 NumberOfFragments, 48 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 27 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 504 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 correct! Received shutdown request...