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-c6af20d [2019-09-03 19:21:56,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 19:21:56,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 19:21:56,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 19:21:56,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 19:21:56,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 19:21:56,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 19:21:56,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 19:21:56,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 19:21:56,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 19:21:56,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 19:21:56,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 19:21:56,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 19:21:56,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 19:21:56,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 19:21:56,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 19:21:56,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 19:21:56,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 19:21:56,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 19:21:56,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 19:21:56,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 19:21:56,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 19:21:56,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 19:21:56,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 19:21:56,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 19:21:56,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 19:21:56,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 19:21:56,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 19:21:56,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 19:21:56,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 19:21:56,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 19:21:56,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 19:21:56,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 19:21:56,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 19:21:56,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 19:21:56,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 19:21:56,678 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 [2019-09-03 19:21:56,698 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 19:21:56,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 19:21:56,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-03 19:21:56,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-03 19:21:56,699 INFO L138 SettingsManager]: * Use SBE=true [2019-09-03 19:21:56,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 19:21:56,700 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 19:21:56,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-03 19:21:56,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 19:21:56,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 19:21:56,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 19:21:56,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 19:21:56,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 19:21:56,701 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 19:21:56,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 19:21:56,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-03 19:21:56,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 19:21:56,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 19:21:56,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 19:21:56,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-03 19:21:56,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-03 19:21:56,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 19:21:56,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 19:21:56,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 19:21:56,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-03 19:21:56,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-03 19:21:56,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 19:21:56,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 19:21:56,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-03 19:21:56,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 19:21:56,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 19:21:56,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 19:21:56,752 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 19:21:56,753 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 19:21:56,755 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-09-03 19:21:56,819 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95088a4ca/dd48dc46973b4aeb9ee9736552cf07e0/FLAGaf4fb904a [2019-09-03 19:21:57,242 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 19:21:57,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-09-03 19:21:57,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95088a4ca/dd48dc46973b4aeb9ee9736552cf07e0/FLAGaf4fb904a [2019-09-03 19:21:57,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95088a4ca/dd48dc46973b4aeb9ee9736552cf07e0 [2019-09-03 19:21:57,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 19:21:57,649 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 19:21:57,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 19:21:57,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 19:21:57,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 19:21:57,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 07:21:57" (1/1) ... [2019-09-03 19:21:57,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f070b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:21:57, skipping insertion in model container [2019-09-03 19:21:57,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 07:21:57" (1/1) ... [2019-09-03 19:21:57,664 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 19:21:57,682 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 19:21:57,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 19:21:57,887 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 19:21:57,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 19:21:58,014 INFO L192 MainTranslator]: Completed translation [2019-09-03 19:21:58,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:21:58 WrapperNode [2019-09-03 19:21:58,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 19:21:58,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 19:21:58,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 19:21:58,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 19:21:58,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:21:58" (1/1) ... [2019-09-03 19:21:58,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:21:58" (1/1) ... [2019-09-03 19:21:58,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:21:58" (1/1) ... [2019-09-03 19:21:58,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:21:58" (1/1) ... [2019-09-03 19:21:58,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:21:58" (1/1) ... [2019-09-03 19:21:58,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:21:58" (1/1) ... [2019-09-03 19:21:58,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:21:58" (1/1) ... [2019-09-03 19:21:58,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 19:21:58,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 19:21:58,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 19:21:58,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 19:21:58,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:21:58" (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 19:21:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 19:21:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 19:21:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 19:21:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure glob2 [2019-09-03 19:21:58,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 19:21:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 19:21:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 19:21:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure glob2 [2019-09-03 19:21:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-03 19:21:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 19:21:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-03 19:21:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-03 19:21:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 19:21:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 19:21:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-03 19:21:58,343 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 19:21:58,343 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 19:21:58,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 07:21:58 BoogieIcfgContainer [2019-09-03 19:21:58,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 19:21:58,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-03 19:21:58,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-03 19:21:58,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-03 19:21:58,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.09 07:21:57" (1/3) ... [2019-09-03 19:21:58,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1871bb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 07:21:58, skipping insertion in model container [2019-09-03 19:21:58,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:21:58" (2/3) ... [2019-09-03 19:21:58,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1871bb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 07:21:58, skipping insertion in model container [2019-09-03 19:21:58,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 07:21:58" (3/3) ... [2019-09-03 19:21:58,368 INFO L109 eAbstractionObserver]: Analyzing ICFG veris.c_NetBSD-libc_loop.i [2019-09-03 19:21:58,389 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-03 19:21:58,403 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-03 19:21:58,443 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-03 19:21:58,470 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-03 19:21:58,471 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-03 19:21:58,471 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-03 19:21:58,471 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-03 19:21:58,471 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-03 19:21:58,472 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-03 19:21:58,472 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-03 19:21:58,472 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-03 19:21:58,472 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-03 19:21:58,487 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-09-03 19:21:58,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-09-03 19:21:58,492 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 19:21:58,492 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 19:21:58,494 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 19:21:58,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 19:21:58,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1626450083, now seen corresponding path program 1 times [2019-09-03 19:21:58,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-03 19:21:58,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-03 19:21:58,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:21:58,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 19:21:58,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:21:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 19:21:58,815 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 19:21:58,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-03 19:21:58,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-03 19:21:58,823 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-03 19:21:58,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-03 19:21:58,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-03 19:21:58,836 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 8 states. [2019-09-03 19:21:58,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 19:21:58,996 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2019-09-03 19:21:58,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-03 19:21:58,998 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-09-03 19:21:58,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 19:21:59,006 INFO L225 Difference]: With dead ends: 42 [2019-09-03 19:21:59,006 INFO L226 Difference]: Without dead ends: 0 [2019-09-03 19:21:59,011 INFO L628 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 [2019-09-03 19:21:59,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-03 19:21:59,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-03 19:21:59,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-03 19:21:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-03 19:21:59,038 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-09-03 19:21:59,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 19:21:59,039 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-03 19:21:59,039 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-03 19:21:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-03 19:21:59,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-03 19:21:59,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-03 19:21:59,161 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-03 19:21:59,162 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-03 19:21:59,162 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-03 19:21:59,162 INFO L446 ceAbstractionStarter]: At program point glob2ENTRY(lines 14 25) the Hoare annotation is: true [2019-09-03 19:21:59,162 INFO L443 ceAbstractionStarter]: For program point glob2EXIT(lines 14 25) no Hoare annotation was computed. [2019-09-03 19:21:59,162 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))) [2019-09-03 19:21:59,163 INFO L443 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2019-09-03 19:21:59,163 INFO L443 ceAbstractionStarter]: For program point L18-2(lines 18 22) no Hoare annotation was computed. [2019-09-03 19:21:59,163 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))) [2019-09-03 19:21:59,163 INFO L443 ceAbstractionStarter]: For program point L18-4(lines 18 22) no Hoare annotation was computed. [2019-09-03 19:21:59,163 INFO L443 ceAbstractionStarter]: For program point glob2FINAL(lines 14 25) no Hoare annotation was computed. [2019-09-03 19:21:59,164 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-03 19:21:59,164 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-03 19:21:59,164 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-03 19:21:59,164 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-03 19:21:59,164 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 27 38) the Hoare annotation is: true [2019-09-03 19:21:59,165 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 27 38) no Hoare annotation was computed. [2019-09-03 19:21:59,165 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 27 38) no Hoare annotation was computed. [2019-09-03 19:21:59,165 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)) [2019-09-03 19:21:59,165 INFO L443 ceAbstractionStarter]: For program point L35-1(line 35) no Hoare annotation was computed. [2019-09-03 19:21:59,165 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-09-03 19:21:59,165 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-09-03 19:21:59,166 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-09-03 19:21:59,166 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-09-03 19:21:59,166 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-09-03 19:21:59,166 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-09-03 19:21:59,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.09 07:21:59 BoogieIcfgContainer [2019-09-03 19:21:59,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-03 19:21:59,188 INFO L168 Benchmark]: Toolchain (without parser) took 1534.28 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 90.9 MB in the beginning and 108.2 MB in the end (delta: -17.3 MB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. [2019-09-03 19:21:59,190 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 135.8 MB. Free memory was 109.9 MB in the beginning and 109.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 19:21:59,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.35 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 90.6 MB in the beginning and 176.9 MB in the end (delta: -86.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-09-03 19:21:59,192 INFO L168 Benchmark]: Boogie Preprocessor took 38.52 ms. Allocated memory is still 199.2 MB. Free memory was 176.9 MB in the beginning and 174.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-03 19:21:59,194 INFO L168 Benchmark]: RCFGBuilder took 290.62 ms. Allocated memory is still 199.2 MB. Free memory was 174.7 MB in the beginning and 160.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-09-03 19:21:59,195 INFO L168 Benchmark]: TraceAbstraction took 827.28 ms. Allocated memory is still 199.2 MB. Free memory was 160.3 MB in the beginning and 108.2 MB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 7.1 GB. [2019-09-03 19:21:59,204 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 135.8 MB. Free memory was 109.9 MB in the beginning and 109.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 365.35 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 90.6 MB in the beginning and 176.9 MB in the end (delta: -86.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.52 ms. Allocated memory is still 199.2 MB. Free memory was 176.9 MB in the beginning and 174.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 290.62 ms. Allocated memory is still 199.2 MB. Free memory was 174.7 MB in the beginning and 160.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 827.28 ms. Allocated memory is still 199.2 MB. Free memory was 160.3 MB in the beginning and 108.2 MB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 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, 0.1s 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, 0.1s 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...