./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.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/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.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 77e92a11a4549a6f714898b45c2d349723607a29 .............................................................................................................................................................................................................................................................................................................................................................. 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 17:30:31,797 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 17:30:31,798 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 17:30:31,809 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 17:30:31,810 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 17:30:31,810 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 17:30:31,812 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 17:30:31,820 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 17:30:31,822 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 17:30:31,823 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 17:30:31,824 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 17:30:31,824 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 17:30:31,825 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 17:30:31,826 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 17:30:31,827 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 17:30:31,828 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 17:30:31,828 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 17:30:31,830 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 17:30:31,832 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 17:30:31,833 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 17:30:31,834 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 17:30:31,835 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 17:30:31,837 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 17:30:31,837 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 17:30:31,838 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 17:30:31,839 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 17:30:31,840 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 17:30:31,840 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 17:30:31,841 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 17:30:31,842 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 17:30:31,842 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 17:30:31,843 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 17:30:31,843 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 17:30:31,843 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 17:30:31,844 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 17:30:31,845 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 17:30:31,845 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-14 17:30:31,859 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 17:30:31,859 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 17:30:31,860 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 17:30:31,860 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 17:30:31,861 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 17:30:31,861 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 17:30:31,861 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 17:30:31,861 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 17:30:31,861 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 17:30:31,861 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 17:30:31,862 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 17:30:31,862 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 17:30:31,862 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 17:30:31,862 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 17:30:31,862 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 17:30:31,862 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 17:30:31,863 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 17:30:31,863 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 17:30:31,863 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 17:30:31,863 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 17:30:31,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 17:30:31,863 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 17:30:31,864 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 17:30:31,864 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 17:30:31,864 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 17:30:31,864 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 17:30:31,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 17:30:31,864 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 -> 77e92a11a4549a6f714898b45c2d349723607a29 [2019-01-14 17:30:31,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 17:30:31,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 17:30:31,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 17:30:31,915 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 17:30:31,916 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 17:30:31,916 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2019-01-14 17:30:31,968 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6de06463/350cb4c0cc4845ea9060033d0689c12b/FLAGc41e8db8d [2019-01-14 17:30:32,373 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 17:30:32,373 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2019-01-14 17:30:32,381 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6de06463/350cb4c0cc4845ea9060033d0689c12b/FLAGc41e8db8d [2019-01-14 17:30:32,755 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6de06463/350cb4c0cc4845ea9060033d0689c12b [2019-01-14 17:30:32,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 17:30:32,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 17:30:32,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 17:30:32,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 17:30:32,766 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 17:30:32,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 05:30:32" (1/1) ... [2019-01-14 17:30:32,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4938ab0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:30:32, skipping insertion in model container [2019-01-14 17:30:32,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 05:30:32" (1/1) ... [2019-01-14 17:30:32,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 17:30:32,795 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 17:30:32,973 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 17:30:32,976 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 17:30:32,995 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 17:30:33,008 INFO L195 MainTranslator]: Completed translation [2019-01-14 17:30:33,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:30:33 WrapperNode [2019-01-14 17:30:33,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 17:30:33,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 17:30:33,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 17:30:33,010 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 17:30:33,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:30:33" (1/1) ... [2019-01-14 17:30:33,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:30:33" (1/1) ... [2019-01-14 17:30:33,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 17:30:33,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 17:30:33,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 17:30:33,053 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 17:30:33,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:30:33" (1/1) ... [2019-01-14 17:30:33,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:30:33" (1/1) ... [2019-01-14 17:30:33,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:30:33" (1/1) ... [2019-01-14 17:30:33,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:30:33" (1/1) ... [2019-01-14 17:30:33,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:30:33" (1/1) ... [2019-01-14 17:30:33,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:30:33" (1/1) ... [2019-01-14 17:30:33,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:30:33" (1/1) ... [2019-01-14 17:30:33,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 17:30:33,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 17:30:33,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 17:30:33,076 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 17:30:33,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:30:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 17:30:33,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 17:30:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 17:30:33,541 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 17:30:33,542 INFO L286 CfgBuilder]: Removed 9 assue(true) statements. [2019-01-14 17:30:33,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 05:30:33 BoogieIcfgContainer [2019-01-14 17:30:33,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 17:30:33,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 17:30:33,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 17:30:33,547 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 17:30:33,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 05:30:32" (1/3) ... [2019-01-14 17:30:33,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b19e441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 05:30:33, skipping insertion in model container [2019-01-14 17:30:33,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:30:33" (2/3) ... [2019-01-14 17:30:33,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b19e441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 05:30:33, skipping insertion in model container [2019-01-14 17:30:33,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 05:30:33" (3/3) ... [2019-01-14 17:30:33,550 INFO L112 eAbstractionObserver]: Analyzing ICFG MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2019-01-14 17:30:33,559 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 17:30:33,566 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-01-14 17:30:33,580 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-01-14 17:30:33,607 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 17:30:33,607 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 17:30:33,607 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 17:30:33,608 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 17:30:33,608 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 17:30:33,608 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 17:30:33,608 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 17:30:33,608 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 17:30:33,608 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 17:30:33,623 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-01-14 17:30:33,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-14 17:30:33,629 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 17:30:33,630 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 17:30:33,633 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 17:30:33,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 17:30:33,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1314021635, now seen corresponding path program 1 times [2019-01-14 17:30:33,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 17:30:33,641 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 17:30:33,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:30:33,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 17:30:33,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:30:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 17:30:33,843 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 17:30:33,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 17:30:33,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 17:30:33,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 17:30:33,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 17:30:33,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 17:30:33,862 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 5 states. [2019-01-14 17:30:34,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 17:30:34,001 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2019-01-14 17:30:34,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 17:30:34,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-01-14 17:30:34,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 17:30:34,011 INFO L225 Difference]: With dead ends: 39 [2019-01-14 17:30:34,012 INFO L226 Difference]: Without dead ends: 17 [2019-01-14 17:30:34,015 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-14 17:30:34,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-01-14 17:30:34,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-01-14 17:30:34,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-14 17:30:34,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2019-01-14 17:30:34,042 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 12 [2019-01-14 17:30:34,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 17:30:34,043 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2019-01-14 17:30:34,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 17:30:34,043 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2019-01-14 17:30:34,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-14 17:30:34,044 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 17:30:34,044 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 17:30:34,044 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 17:30:34,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 17:30:34,045 INFO L82 PathProgramCache]: Analyzing trace with hash 54563046, now seen corresponding path program 1 times [2019-01-14 17:30:34,045 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 17:30:34,045 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 17:30:34,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:30:34,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 17:30:34,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:30:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 17:30:34,246 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 17:30:34,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 17:30:34,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-14 17:30:34,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-14 17:30:34,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 17:30:34,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 17:30:34,249 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 6 states. [2019-01-14 17:30:34,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 17:30:34,560 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-01-14 17:30:34,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 17:30:34,560 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-01-14 17:30:34,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 17:30:34,561 INFO L225 Difference]: With dead ends: 24 [2019-01-14 17:30:34,561 INFO L226 Difference]: Without dead ends: 22 [2019-01-14 17:30:34,562 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-14 17:30:34,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-01-14 17:30:34,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2019-01-14 17:30:34,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-14 17:30:34,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-01-14 17:30:34,568 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 14 [2019-01-14 17:30:34,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 17:30:34,569 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-01-14 17:30:34,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-14 17:30:34,569 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-01-14 17:30:34,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-14 17:30:34,570 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 17:30:34,570 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 17:30:34,570 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 17:30:34,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 17:30:34,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1692557492, now seen corresponding path program 1 times [2019-01-14 17:30:34,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 17:30:34,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 17:30:34,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:30:34,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 17:30:34,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:30:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 17:30:34,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-14 17:30:34,812 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 17:30:34,813 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-14 17:30:34,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 17:30:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 17:30:34,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 17:30:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 17:30:35,148 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 17:30:35,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2019-01-14 17:30:35,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-14 17:30:35,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-14 17:30:35,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-01-14 17:30:35,149 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 12 states. [2019-01-14 17:30:35,616 WARN L181 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2019-01-14 17:30:36,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 17:30:36,051 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-01-14 17:30:36,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-01-14 17:30:36,054 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 20 [2019-01-14 17:30:36,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 17:30:36,055 INFO L225 Difference]: With dead ends: 28 [2019-01-14 17:30:36,055 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 17:30:36,056 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2019-01-14 17:30:36,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 17:30:36,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 17:30:36,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 17:30:36,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 17:30:36,058 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-01-14 17:30:36,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 17:30:36,059 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 17:30:36,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-14 17:30:36,059 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 17:30:36,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 17:30:36,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 17:30:36,241 WARN L181 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 20 [2019-01-14 17:30:36,354 WARN L181 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 25 [2019-01-14 17:30:36,476 WARN L181 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 19 [2019-01-14 17:30:36,479 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2019-01-14 17:30:36,480 INFO L444 ceAbstractionStarter]: At program point L35-3(lines 35 39) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~leader_len~0)) (.cse1 (+ (* 2 ULTIMATE.start_main_~ielen~0) ULTIMATE.start_main_~p~0)) (.cse2 (<= 1 ULTIMATE.start_main_~p~0))) (or (and .cse0 (<= .cse1 (+ ULTIMATE.start_main_~bufsize_0~0 (* 2 ULTIMATE.start_main_~i~0))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse2) (and .cse0 (<= .cse1 ULTIMATE.start_main_~bufsize_0~0) .cse2 (<= (+ ULTIMATE.start_main_~bufsize~0 ULTIMATE.start_main_~p~0) ULTIMATE.start_main_~bufsize_0~0) (<= 0 ULTIMATE.start_main_~i~0)))) [2019-01-14 17:30:36,480 INFO L448 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2019-01-14 17:30:36,481 INFO L451 ceAbstractionStarter]: At program point L40(lines 11 42) the Hoare annotation is: true [2019-01-14 17:30:36,481 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-01-14 17:30:36,481 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 17:30:36,481 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 17:30:36,481 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2019-01-14 17:30:36,482 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 11 42) no Hoare annotation was computed. [2019-01-14 17:30:36,482 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-01-14 17:30:36,482 INFO L444 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~leader_len~0) (<= (+ ULTIMATE.start_main_~p~0 2) ULTIMATE.start_main_~bufsize_0~0) (<= (+ (* 2 ULTIMATE.start_main_~ielen~0) ULTIMATE.start_main_~p~0) (+ ULTIMATE.start_main_~bufsize_0~0 (* 2 ULTIMATE.start_main_~i~0))) (<= 1 ULTIMATE.start_main_~p~0) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) [2019-01-14 17:30:36,482 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2019-01-14 17:30:36,482 INFO L448 ceAbstractionStarter]: For program point L4-3(lines 4 6) no Hoare annotation was computed. [2019-01-14 17:30:36,482 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 17:30:36,482 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-01-14 17:30:36,483 INFO L444 ceAbstractionStarter]: At program point L4-5(lines 3 8) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~leader_len~0) (<= (+ ULTIMATE.start_main_~p~0 2) ULTIMATE.start_main_~bufsize_0~0) (<= (+ (* 2 ULTIMATE.start_main_~ielen~0) ULTIMATE.start_main_~p~0) (+ ULTIMATE.start_main_~bufsize_0~0 (* 2 ULTIMATE.start_main_~i~0))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 1 ULTIMATE.start_main_~p~0)) [2019-01-14 17:30:36,483 INFO L448 ceAbstractionStarter]: For program point L25(lines 11 42) no Hoare annotation was computed. [2019-01-14 17:30:36,483 INFO L448 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2019-01-14 17:30:36,483 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-01-14 17:30:36,483 INFO L448 ceAbstractionStarter]: For program point L5-1(line 5) no Hoare annotation was computed. [2019-01-14 17:30:36,483 INFO L448 ceAbstractionStarter]: For program point L26(lines 11 42) no Hoare annotation was computed. [2019-01-14 17:30:36,483 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-01-14 17:30:36,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 05:30:36 BoogieIcfgContainer [2019-01-14 17:30:36,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 17:30:36,499 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 17:30:36,499 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 17:30:36,499 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 17:30:36,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 05:30:33" (3/4) ... [2019-01-14 17:30:36,504 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 17:30:36,514 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-01-14 17:30:36,514 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 17:30:36,567 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 17:30:36,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 17:30:36,568 INFO L168 Benchmark]: Toolchain (without parser) took 3807.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.3 MB in the beginning and 976.4 MB in the end (delta: -25.1 MB). Peak memory consumption was 122.7 MB. Max. memory is 11.5 GB. [2019-01-14 17:30:36,569 INFO L168 Benchmark]: CDTParser took 0.16 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 17:30:36,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.38 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 17:30:36,570 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.14 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 17:30:36,571 INFO L168 Benchmark]: Boogie Preprocessor took 23.05 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-14 17:30:36,571 INFO L168 Benchmark]: RCFGBuilder took 467.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-01-14 17:30:36,572 INFO L168 Benchmark]: TraceAbstraction took 2955.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.4 MB in the end (delta: 148.4 MB). Peak memory consumption was 148.4 MB. Max. memory is 11.5 GB. [2019-01-14 17:30:36,573 INFO L168 Benchmark]: Witness Printer took 68.14 ms. Allocated memory is still 1.2 GB. Free memory is still 976.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 17:30:36,577 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 247.38 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 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 42.14 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.05 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 467.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2955.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.4 MB in the end (delta: 148.4 MB). Peak memory consumption was 148.4 MB. Max. memory is 11.5 GB. * Witness Printer took 68.14 ms. Allocated memory is still 1.2 GB. Free memory is still 976.4 MB. There was no memory consumed. Max. memory is 11.5 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 - 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 2 specifications checked. All of them hold - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: (((1 <= leader_len && p + 2 <= bufsize_0) && 2 * ielen + p <= bufsize_0 + 2 * i) && 1 == cond) && 1 <= p - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (((1 <= leader_len && 2 * ielen + p <= bufsize_0 + 2 * i) && 1 == cond) && 1 <= p) || ((((1 <= leader_len && 2 * ielen + p <= bufsize_0) && 1 <= p) && bufsize + p <= bufsize_0) && 0 <= i) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: (((1 <= leader_len && p + 2 <= bufsize_0) && 2 * ielen + p <= bufsize_0 + 2 * i) && 1 <= p) && cond == 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 2 error locations. SAFE Result, 2.8s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 59 SDslu, 113 SDs, 0 SdLazy, 119 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 16 NumberOfFragments, 98 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 245 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 4953 SizeOfPredicates, 8 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 1/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...