./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/ldv-regression/oomInt_true-termination.c_true-unreach-call_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/ldv-regression/oomInt_true-termination.c_true-unreach-call_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6e67db8c16273e1bea0fabff61d65ba57872585 ...................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 15:48:10,009 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 15:48:10,011 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 15:48:10,026 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 15:48:10,026 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 15:48:10,027 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 15:48:10,028 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 15:48:10,030 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 15:48:10,032 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 15:48:10,033 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 15:48:10,034 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 15:48:10,034 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 15:48:10,035 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 15:48:10,036 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 15:48:10,037 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 15:48:10,038 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 15:48:10,038 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 15:48:10,040 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 15:48:10,042 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 15:48:10,044 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 15:48:10,045 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 15:48:10,047 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 15:48:10,049 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 15:48:10,050 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 15:48:10,050 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 15:48:10,051 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 15:48:10,052 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 15:48:10,053 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 15:48:10,054 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 15:48:10,055 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 15:48:10,055 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 15:48:10,056 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 15:48:10,056 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 15:48:10,056 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 15:48:10,057 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 15:48:10,058 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 15:48:10,058 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-14 15:48:10,073 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 15:48:10,074 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 15:48:10,075 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 15:48:10,075 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 15:48:10,075 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 15:48:10,075 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 15:48:10,076 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 15:48:10,076 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 15:48:10,076 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 15:48:10,076 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 15:48:10,076 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 15:48:10,076 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 15:48:10,077 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 15:48:10,077 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 15:48:10,077 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 15:48:10,077 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 15:48:10,077 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 15:48:10,078 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 15:48:10,078 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 15:48:10,078 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 15:48:10,078 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 15:48:10,078 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 15:48:10,078 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 15:48:10,079 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 15:48:10,079 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 15:48:10,079 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 15:48:10,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 15:48:10,079 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6e67db8c16273e1bea0fabff61d65ba57872585 [2019-01-14 15:48:10,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 15:48:10,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 15:48:10,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 15:48:10,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 15:48:10,131 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 15:48:10,132 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-regression/oomInt_true-termination.c_true-unreach-call_1.i [2019-01-14 15:48:10,187 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/219b664fd/19c280f623394ab1a768d84f63a59c63/FLAG93932c8de [2019-01-14 15:48:10,629 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 15:48:10,630 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-regression/oomInt_true-termination.c_true-unreach-call_1.i [2019-01-14 15:48:10,636 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/219b664fd/19c280f623394ab1a768d84f63a59c63/FLAG93932c8de [2019-01-14 15:48:10,653 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/219b664fd/19c280f623394ab1a768d84f63a59c63 [2019-01-14 15:48:10,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 15:48:10,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 15:48:10,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 15:48:10,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 15:48:10,665 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 15:48:10,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:48:10" (1/1) ... [2019-01-14 15:48:10,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2907c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:48:10, skipping insertion in model container [2019-01-14 15:48:10,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:48:10" (1/1) ... [2019-01-14 15:48:10,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 15:48:10,699 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 15:48:10,888 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 15:48:10,896 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 15:48:10,913 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 15:48:10,932 INFO L195 MainTranslator]: Completed translation [2019-01-14 15:48:10,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:48:10 WrapperNode [2019-01-14 15:48:10,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 15:48:10,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 15:48:10,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 15:48:10,934 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 15:48:10,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:48:10" (1/1) ... [2019-01-14 15:48:10,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:48:10" (1/1) ... [2019-01-14 15:48:10,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 15:48:10,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 15:48:10,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 15:48:10,976 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 15:48:10,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:48:10" (1/1) ... [2019-01-14 15:48:10,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:48:10" (1/1) ... [2019-01-14 15:48:10,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:48:10" (1/1) ... [2019-01-14 15:48:10,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:48:10" (1/1) ... [2019-01-14 15:48:10,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:48:10" (1/1) ... [2019-01-14 15:48:10,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:48:10" (1/1) ... [2019-01-14 15:48:10,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:48:10" (1/1) ... [2019-01-14 15:48:10,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 15:48:10,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 15:48:10,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 15:48:10,995 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 15:48:10,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:48:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 15:48:11,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 15:48:11,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 15:48:11,424 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 15:48:11,424 INFO L286 CfgBuilder]: Removed 10 assue(true) statements. [2019-01-14 15:48:11,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:48:11 BoogieIcfgContainer [2019-01-14 15:48:11,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 15:48:11,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 15:48:11,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 15:48:11,431 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 15:48:11,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 03:48:10" (1/3) ... [2019-01-14 15:48:11,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3925dad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 03:48:11, skipping insertion in model container [2019-01-14 15:48:11,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:48:10" (2/3) ... [2019-01-14 15:48:11,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3925dad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 03:48:11, skipping insertion in model container [2019-01-14 15:48:11,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:48:11" (3/3) ... [2019-01-14 15:48:11,436 INFO L112 eAbstractionObserver]: Analyzing ICFG oomInt_true-termination.c_true-unreach-call_1.i [2019-01-14 15:48:11,447 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 15:48:11,454 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-14 15:48:11,470 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-14 15:48:11,502 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 15:48:11,502 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 15:48:11,503 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 15:48:11,503 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 15:48:11,503 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 15:48:11,503 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 15:48:11,503 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 15:48:11,503 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 15:48:11,504 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 15:48:11,519 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-01-14 15:48:11,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-14 15:48:11,526 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 15:48:11,527 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-14 15:48:11,532 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 15:48:11,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 15:48:11,541 INFO L82 PathProgramCache]: Analyzing trace with hash 889508777, now seen corresponding path program 1 times [2019-01-14 15:48:11,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 15:48:11,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 15:48:11,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:48:11,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 15:48:11,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:48:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 15:48:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 15:48:11,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 15:48:11,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 15:48:11,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 15:48:11,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 15:48:11,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 15:48:11,976 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 5 states. [2019-01-14 15:48:12,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 15:48:12,158 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-01-14 15:48:12,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 15:48:12,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-01-14 15:48:12,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 15:48:12,167 INFO L225 Difference]: With dead ends: 15 [2019-01-14 15:48:12,167 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 15:48:12,170 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-14 15:48:12,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 15:48:12,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 15:48:12,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 15:48:12,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 15:48:12,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-01-14 15:48:12,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 15:48:12,198 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 15:48:12,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 15:48:12,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 15:48:12,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 15:48:12,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 15:48:12,230 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 15:48:12,231 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-14 15:48:12,231 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 15:48:12,231 INFO L448 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2019-01-14 15:48:12,231 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 15:48:12,232 INFO L444 ceAbstractionStarter]: At program point L23(lines 15 24) the Hoare annotation is: (and (= (+ ULTIMATE.start_abs_int_~i 3) 0) (<= 3 |ULTIMATE.start_abs_int_#res|)) [2019-01-14 15:48:12,232 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 23) no Hoare annotation was computed. [2019-01-14 15:48:12,232 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2019-01-14 15:48:12,232 INFO L448 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2019-01-14 15:48:12,233 INFO L448 ceAbstractionStarter]: For program point L5(lines 32 35) no Hoare annotation was computed. [2019-01-14 15:48:12,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 03:48:12 BoogieIcfgContainer [2019-01-14 15:48:12,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 15:48:12,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 15:48:12,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 15:48:12,244 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 15:48:12,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:48:11" (3/4) ... [2019-01-14 15:48:12,249 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 15:48:12,260 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-14 15:48:12,260 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-14 15:48:12,290 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: i + 3 == 0 && 3 <= \result [2019-01-14 15:48:12,305 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 15:48:12,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 15:48:12,307 INFO L168 Benchmark]: Toolchain (without parser) took 1648.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-01-14 15:48:12,309 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 15:48:12,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.07 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 15:48:12,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.65 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 15:48:12,311 INFO L168 Benchmark]: Boogie Preprocessor took 19.43 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 15:48:12,311 INFO L168 Benchmark]: RCFGBuilder took 430.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-14 15:48:12,312 INFO L168 Benchmark]: TraceAbstraction took 816.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-01-14 15:48:12,313 INFO L168 Benchmark]: Witness Printer took 62.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 15:48:12,318 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.07 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.65 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.43 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 430.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 816.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Witness Printer took 62.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: 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: 15]: Loop Invariant Derived loop invariant: i + 3 == 0 && 3 <= \result - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 6 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 9 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 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...