./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/ldv-regression/rule57_ebda_blast_true-termination.c_false-unreach-call.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/rule57_ebda_blast_true-termination.c_false-unreach-call.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 b39600b9df22c6d48a4a2c98275a4ced37851cc3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 15:47:25,850 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 15:47:25,852 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 15:47:25,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 15:47:25,868 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 15:47:25,870 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 15:47:25,873 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 15:47:25,875 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 15:47:25,878 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 15:47:25,879 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 15:47:25,880 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 15:47:25,880 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 15:47:25,882 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 15:47:25,884 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 15:47:25,885 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 15:47:25,886 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 15:47:25,894 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 15:47:25,898 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 15:47:25,899 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 15:47:25,903 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 15:47:25,904 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 15:47:25,906 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 15:47:25,910 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 15:47:25,910 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 15:47:25,910 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 15:47:25,911 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 15:47:25,912 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 15:47:25,913 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 15:47:25,914 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 15:47:25,915 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 15:47:25,915 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 15:47:25,916 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 15:47:25,917 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 15:47:25,917 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 15:47:25,918 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 15:47:25,918 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 15:47:25,921 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-14 15:47:25,947 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 15:47:25,947 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 15:47:25,949 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 15:47:25,949 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 15:47:25,949 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 15:47:25,950 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 15:47:25,950 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 15:47:25,950 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 15:47:25,950 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 15:47:25,950 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 15:47:25,950 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 15:47:25,951 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 15:47:25,951 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 15:47:25,951 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 15:47:25,951 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 15:47:25,951 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 15:47:25,952 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 15:47:25,953 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 15:47:25,953 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 15:47:25,954 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 15:47:25,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 15:47:25,954 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 15:47:25,954 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 15:47:25,954 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 15:47:25,954 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 15:47:25,956 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 15:47:25,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 15:47:25,956 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 -> b39600b9df22c6d48a4a2c98275a4ced37851cc3 [2019-01-14 15:47:26,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 15:47:26,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 15:47:26,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 15:47:26,032 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 15:47:26,032 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 15:47:26,035 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-regression/rule57_ebda_blast_true-termination.c_false-unreach-call.i [2019-01-14 15:47:26,100 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00f33ce31/7922e426fda84efaab0fab12066d4543/FLAGd47c8fbe9 [2019-01-14 15:47:26,496 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 15:47:26,497 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-regression/rule57_ebda_blast_true-termination.c_false-unreach-call.i [2019-01-14 15:47:26,503 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00f33ce31/7922e426fda84efaab0fab12066d4543/FLAGd47c8fbe9 [2019-01-14 15:47:26,889 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00f33ce31/7922e426fda84efaab0fab12066d4543 [2019-01-14 15:47:26,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 15:47:26,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 15:47:26,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 15:47:26,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 15:47:26,900 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 15:47:26,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:47:26" (1/1) ... [2019-01-14 15:47:26,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e1c2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:26, skipping insertion in model container [2019-01-14 15:47:26,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:47:26" (1/1) ... [2019-01-14 15:47:26,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 15:47:26,940 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 15:47:27,202 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 15:47:27,218 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 15:47:27,243 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 15:47:27,264 INFO L195 MainTranslator]: Completed translation [2019-01-14 15:47:27,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:27 WrapperNode [2019-01-14 15:47:27,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 15:47:27,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 15:47:27,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 15:47:27,266 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 15:47:27,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:27" (1/1) ... [2019-01-14 15:47:27,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:27" (1/1) ... [2019-01-14 15:47:27,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 15:47:27,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 15:47:27,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 15:47:27,408 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 15:47:27,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:27" (1/1) ... [2019-01-14 15:47:27,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:27" (1/1) ... [2019-01-14 15:47:27,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:27" (1/1) ... [2019-01-14 15:47:27,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:27" (1/1) ... [2019-01-14 15:47:27,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:27" (1/1) ... [2019-01-14 15:47:27,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:27" (1/1) ... [2019-01-14 15:47:27,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:27" (1/1) ... [2019-01-14 15:47:27,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 15:47:27,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 15:47:27,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 15:47:27,442 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 15:47:27,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:27" (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 15:47:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-14 15:47:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-14 15:47:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 15:47:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 15:47:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 15:47:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 15:47:28,159 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 15:47:28,159 INFO L286 CfgBuilder]: Removed 24 assue(true) statements. [2019-01-14 15:47:28,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:47:28 BoogieIcfgContainer [2019-01-14 15:47:28,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 15:47:28,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 15:47:28,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 15:47:28,166 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 15:47:28,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 03:47:26" (1/3) ... [2019-01-14 15:47:28,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e17e9c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 03:47:28, skipping insertion in model container [2019-01-14 15:47:28,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:47:27" (2/3) ... [2019-01-14 15:47:28,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e17e9c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 03:47:28, skipping insertion in model container [2019-01-14 15:47:28,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:47:28" (3/3) ... [2019-01-14 15:47:28,170 INFO L112 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast_true-termination.c_false-unreach-call.i [2019-01-14 15:47:28,180 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 15:47:28,188 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-14 15:47:28,204 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-14 15:47:28,235 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 15:47:28,236 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 15:47:28,236 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 15:47:28,236 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 15:47:28,237 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 15:47:28,237 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 15:47:28,237 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 15:47:28,237 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 15:47:28,238 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 15:47:28,254 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-01-14 15:47:28,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-14 15:47:28,260 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 15:47:28,261 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 15:47:28,263 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 15:47:28,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 15:47:28,270 INFO L82 PathProgramCache]: Analyzing trace with hash 960243133, now seen corresponding path program 1 times [2019-01-14 15:47:28,272 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 15:47:28,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 15:47:28,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:28,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 15:47:28,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 15:47:28,484 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 15:47:28,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 15:47:28,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 15:47:28,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 15:47:28,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 15:47:28,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 15:47:28,504 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2019-01-14 15:47:28,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 15:47:28,716 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2019-01-14 15:47:28,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 15:47:28,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-01-14 15:47:28,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 15:47:28,728 INFO L225 Difference]: With dead ends: 37 [2019-01-14 15:47:28,728 INFO L226 Difference]: Without dead ends: 25 [2019-01-14 15:47:28,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-14 15:47:28,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-01-14 15:47:28,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-01-14 15:47:28,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-01-14 15:47:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2019-01-14 15:47:28,767 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 11 [2019-01-14 15:47:28,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 15:47:28,767 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2019-01-14 15:47:28,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 15:47:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2019-01-14 15:47:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-14 15:47:28,769 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 15:47:28,769 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 15:47:28,769 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 15:47:28,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 15:47:28,769 INFO L82 PathProgramCache]: Analyzing trace with hash -600774314, now seen corresponding path program 1 times [2019-01-14 15:47:28,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 15:47:28,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 15:47:28,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:28,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 15:47:28,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 15:47:28,858 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 15:47:28,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 15:47:28,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 15:47:28,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 15:47:28,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 15:47:28,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 15:47:28,862 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand 5 states. [2019-01-14 15:47:29,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 15:47:29,008 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-01-14 15:47:29,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 15:47:29,009 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-01-14 15:47:29,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 15:47:29,011 INFO L225 Difference]: With dead ends: 31 [2019-01-14 15:47:29,011 INFO L226 Difference]: Without dead ends: 25 [2019-01-14 15:47:29,014 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-14 15:47:29,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-01-14 15:47:29,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-01-14 15:47:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-01-14 15:47:29,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-01-14 15:47:29,026 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 15 [2019-01-14 15:47:29,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 15:47:29,027 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2019-01-14 15:47:29,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 15:47:29,027 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2019-01-14 15:47:29,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-14 15:47:29,028 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 15:47:29,029 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 15:47:29,029 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 15:47:29,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 15:47:29,029 INFO L82 PathProgramCache]: Analyzing trace with hash 439613758, now seen corresponding path program 1 times [2019-01-14 15:47:29,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 15:47:29,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 15:47:29,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:29,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 15:47:29,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 15:47:29,181 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 15:47:29,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 15:47:29,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 15:47:29,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 15:47:29,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 15:47:29,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 15:47:29,188 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand 3 states. [2019-01-14 15:47:29,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 15:47:29,211 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2019-01-14 15:47:29,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 15:47:29,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-01-14 15:47:29,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 15:47:29,213 INFO L225 Difference]: With dead ends: 32 [2019-01-14 15:47:29,213 INFO L226 Difference]: Without dead ends: 25 [2019-01-14 15:47:29,214 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 15:47:29,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-01-14 15:47:29,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-01-14 15:47:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-01-14 15:47:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2019-01-14 15:47:29,221 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 20 [2019-01-14 15:47:29,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 15:47:29,222 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2019-01-14 15:47:29,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 15:47:29,223 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-01-14 15:47:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-14 15:47:29,223 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 15:47:29,224 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 15:47:29,224 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 15:47:29,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 15:47:29,224 INFO L82 PathProgramCache]: Analyzing trace with hash -2080346176, now seen corresponding path program 1 times [2019-01-14 15:47:29,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 15:47:29,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 15:47:29,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:29,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 15:47:29,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 15:47:29,302 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 15:47:29,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 15:47:29,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 15:47:29,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 15:47:29,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 15:47:29,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 15:47:29,303 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 3 states. [2019-01-14 15:47:29,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 15:47:29,331 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2019-01-14 15:47:29,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 15:47:29,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-01-14 15:47:29,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 15:47:29,338 INFO L225 Difference]: With dead ends: 48 [2019-01-14 15:47:29,338 INFO L226 Difference]: Without dead ends: 26 [2019-01-14 15:47:29,338 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 15:47:29,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-01-14 15:47:29,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-01-14 15:47:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-01-14 15:47:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2019-01-14 15:47:29,347 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 20 [2019-01-14 15:47:29,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 15:47:29,349 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2019-01-14 15:47:29,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 15:47:29,349 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2019-01-14 15:47:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-14 15:47:29,350 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 15:47:29,350 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 15:47:29,350 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 15:47:29,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 15:47:29,350 INFO L82 PathProgramCache]: Analyzing trace with hash 64645280, now seen corresponding path program 1 times [2019-01-14 15:47:29,352 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 15:47:29,352 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 15:47:29,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:29,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 15:47:29,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 15:47:29,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-14 15:47:29,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 15:47:29,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 15:47:29,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 15:47:29,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 15:47:29,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 15:47:29,470 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 3 states. [2019-01-14 15:47:29,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 15:47:29,519 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2019-01-14 15:47:29,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 15:47:29,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-01-14 15:47:29,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 15:47:29,521 INFO L225 Difference]: With dead ends: 45 [2019-01-14 15:47:29,521 INFO L226 Difference]: Without dead ends: 27 [2019-01-14 15:47:29,522 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 15:47:29,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-01-14 15:47:29,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-01-14 15:47:29,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-14 15:47:29,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2019-01-14 15:47:29,529 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 21 [2019-01-14 15:47:29,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 15:47:29,529 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2019-01-14 15:47:29,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 15:47:29,529 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2019-01-14 15:47:29,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-14 15:47:29,531 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 15:47:29,531 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 15:47:29,532 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 15:47:29,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 15:47:29,532 INFO L82 PathProgramCache]: Analyzing trace with hash 340970977, now seen corresponding path program 1 times [2019-01-14 15:47:29,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 15:47:29,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 15:47:29,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:29,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 15:47:29,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 15:47:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 15:47:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 15:47:29,678 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 15:47:29,694 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,695 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,696 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,696 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,696 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,697 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,697 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,697 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,698 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,698 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,700 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,700 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,701 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,702 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,703 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,703 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,704 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,704 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,705 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,705 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,705 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,706 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,707 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,707 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,708 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,709 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,709 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,710 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,710 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,711 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,712 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,713 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,713 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,714 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,715 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,716 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,717 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,717 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,718 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,718 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,718 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,718 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 03:47:29 BoogieIcfgContainer [2019-01-14 15:47:29,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 15:47:29,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 15:47:29,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 15:47:29,742 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 15:47:29,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:47:28" (3/4) ... [2019-01-14 15:47:29,746 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-14 15:47:29,749 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,749 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,749 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,749 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,750 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,751 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,751 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,751 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,751 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,752 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,752 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,752 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,752 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,754 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,754 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,754 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,754 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,755 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,755 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,755 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,755 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,756 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,756 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,756 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,756 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,757 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,757 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,757 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,758 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,758 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,758 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,758 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,760 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,760 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,760 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,761 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,761 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,761 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,763 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,763 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,764 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,764 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-01-14 15:47:29,824 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 15:47:29,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 15:47:29,825 INFO L168 Benchmark]: Toolchain (without parser) took 2931.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 951.4 MB in the beginning and 998.9 MB in the end (delta: -47.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2019-01-14 15:47:29,828 INFO L168 Benchmark]: CDTParser took 0.24 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 15:47:29,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.48 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 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 15:47:29,829 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-01-14 15:47:29,830 INFO L168 Benchmark]: Boogie Preprocessor took 34.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-14 15:47:29,832 INFO L168 Benchmark]: RCFGBuilder took 719.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2019-01-14 15:47:29,833 INFO L168 Benchmark]: TraceAbstraction took 1578.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. [2019-01-14 15:47:29,834 INFO L168 Benchmark]: Witness Printer took 83.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 998.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-14 15:47:29,840 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 369.48 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 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 141.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 719.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1578.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. * Witness Printer took 83.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 998.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39] struct slot *tmp_slot; [L40] int used_tmp_slot = 0; [L41] int freed_tmp_slot = 1; VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L72] struct hotplug_slot *hp_slot_ptr; [L74] struct bus_info *bus_info_ptr1; [L75] int rc; [L46] return calloc(1, size); VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L77] hp_slot_ptr = kzalloc(sizeof(*hp_slot_ptr), 1) [L78] COND FALSE !(!hp_slot_ptr) [L82] hp_slot_ptr->b = 5 [L46] return calloc(1, size); VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L84] tmp_slot = kzalloc(sizeof(*tmp_slot), 1) [L86] COND FALSE !(!tmp_slot) [L91] used_tmp_slot = 0 [L92] freed_tmp_slot = 0 [L94] tmp_slot->a = 2 [L95] tmp_slot->b = 3 [L56] return __VERIFIER_nondet_pointer(); [L97] bus_info_ptr1 = ibmphp_find_same_bus_num() [L98] COND TRUE !bus_info_ptr1 [L99] rc = -3 VAL [freed_tmp_slot=0, tmp_slot={1:0}, used_tmp_slot=0] [L126] hp_slot_ptr->private [L49] COND FALSE !(p!=0 && p==tmp_slot) VAL [freed_tmp_slot=0, tmp_slot={1:0}, used_tmp_slot=0] [L131] return rc; VAL [freed_tmp_slot=0, tmp_slot={1:0}, used_tmp_slot=0] [L136] COND TRUE !used_tmp_slot VAL [freed_tmp_slot=0, tmp_slot={1:0}, used_tmp_slot=0] [L137] (freed_tmp_slot) ? (0) : __blast_assert () VAL [freed_tmp_slot=0, tmp_slot={1:0}, used_tmp_slot=0] [L6] __VERIFIER_error() VAL [freed_tmp_slot=0, tmp_slot={1:0}, used_tmp_slot=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. UNSAFE Result, 1.5s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 135 SDtfs, 161 SDslu, 83 SDs, 0 SdLazy, 40 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 2130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...