./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/ldv-regression/callfpointer_true-termination.c_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa 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/callfpointer_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 302f70b774fc5b69662b9ef8666b86017ea3a54d .................................................................................................................................................................................................................. 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 0.1.24-2e94e6a [2018-12-31 04:22:27,441 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 04:22:27,442 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 04:22:27,455 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 04:22:27,455 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 04:22:27,457 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 04:22:27,458 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 04:22:27,460 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 04:22:27,462 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 04:22:27,463 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 04:22:27,464 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 04:22:27,464 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 04:22:27,465 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 04:22:27,466 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 04:22:27,468 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 04:22:27,469 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 04:22:27,470 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 04:22:27,472 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 04:22:27,474 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 04:22:27,476 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 04:22:27,477 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 04:22:27,479 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 04:22:27,482 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 04:22:27,482 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 04:22:27,482 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 04:22:27,483 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 04:22:27,487 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 04:22:27,488 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 04:22:27,492 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 04:22:27,493 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 04:22:27,493 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 04:22:27,496 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 04:22:27,498 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 04:22:27,498 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 04:22:27,499 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 04:22:27,500 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 04:22:27,500 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 04:22:27,515 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 04:22:27,516 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 04:22:27,517 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 04:22:27,517 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 04:22:27,517 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 04:22:27,518 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 04:22:27,518 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 04:22:27,519 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 04:22:27,519 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 04:22:27,519 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 04:22:27,519 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 04:22:27,519 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 04:22:27,520 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 04:22:27,520 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 04:22:27,520 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 04:22:27,520 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 04:22:27,520 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 04:22:27,520 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 04:22:27,522 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 04:22:27,522 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 04:22:27,522 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 04:22:27,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 04:22:27,523 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 04:22:27,523 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 04:22:27,523 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 04:22:27,523 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 04:22:27,523 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 04:22:27,523 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 04:22:27,525 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 -> 302f70b774fc5b69662b9ef8666b86017ea3a54d [2018-12-31 04:22:27,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 04:22:27,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 04:22:27,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 04:22:27,590 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 04:22:27,591 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 04:22:27,593 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-regression/callfpointer_true-termination.c_false-unreach-call.i [2018-12-31 04:22:27,663 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4abfa195c/6d838f1f1f6c4e2d871c054e2a5ee302/FLAG3dc26f285 [2018-12-31 04:22:28,163 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 04:22:28,164 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-regression/callfpointer_true-termination.c_false-unreach-call.i [2018-12-31 04:22:28,171 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4abfa195c/6d838f1f1f6c4e2d871c054e2a5ee302/FLAG3dc26f285 [2018-12-31 04:22:28,510 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4abfa195c/6d838f1f1f6c4e2d871c054e2a5ee302 [2018-12-31 04:22:28,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 04:22:28,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 04:22:28,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 04:22:28,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 04:22:28,522 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 04:22:28,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:22:28" (1/1) ... [2018-12-31 04:22:28,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f73e463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:22:28, skipping insertion in model container [2018-12-31 04:22:28,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 04:22:28" (1/1) ... [2018-12-31 04:22:28,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 04:22:28,552 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 04:22:28,724 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:22:28,730 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 04:22:28,746 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 04:22:28,763 INFO L195 MainTranslator]: Completed translation [2018-12-31 04:22:28,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:22:28 WrapperNode [2018-12-31 04:22:28,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 04:22:28,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 04:22:28,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 04:22:28,765 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 04:22:28,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:22:28" (1/1) ... [2018-12-31 04:22:28,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:22:28" (1/1) ... [2018-12-31 04:22:28,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 04:22:28,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 04:22:28,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 04:22:28,806 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 04:22:28,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:22:28" (1/1) ... [2018-12-31 04:22:28,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:22:28" (1/1) ... [2018-12-31 04:22:28,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:22:28" (1/1) ... [2018-12-31 04:22:28,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:22:28" (1/1) ... [2018-12-31 04:22:28,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:22:28" (1/1) ... [2018-12-31 04:22:28,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:22:28" (1/1) ... [2018-12-31 04:22:28,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:22:28" (1/1) ... [2018-12-31 04:22:28,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 04:22:28,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 04:22:28,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 04:22:28,824 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 04:22:28,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:22:28" (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 [2018-12-31 04:22:28,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 04:22:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 04:22:29,096 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 04:22:29,096 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-31 04:22:29,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:22:29 BoogieIcfgContainer [2018-12-31 04:22:29,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 04:22:29,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 04:22:29,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 04:22:29,105 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 04:22:29,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 04:22:28" (1/3) ... [2018-12-31 04:22:29,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670eeff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:22:29, skipping insertion in model container [2018-12-31 04:22:29,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 04:22:28" (2/3) ... [2018-12-31 04:22:29,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670eeff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 04:22:29, skipping insertion in model container [2018-12-31 04:22:29,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:22:29" (3/3) ... [2018-12-31 04:22:29,111 INFO L112 eAbstractionObserver]: Analyzing ICFG callfpointer_true-termination.c_false-unreach-call.i [2018-12-31 04:22:29,122 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 04:22:29,130 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 04:22:29,146 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 04:22:29,179 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 04:22:29,180 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 04:22:29,180 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 04:22:29,180 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 04:22:29,180 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 04:22:29,180 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 04:22:29,181 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 04:22:29,181 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 04:22:29,182 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 04:22:29,198 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-12-31 04:22:29,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-31 04:22:29,207 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:22:29,208 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-12-31 04:22:29,211 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:22:29,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:22:29,217 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2018-12-31 04:22:29,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 04:22:29,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 04:22:29,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:22:29,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:22:29,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 04:22:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 04:22:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 04:22:29,344 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 04:22:29,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 04:22:29 BoogieIcfgContainer [2018-12-31 04:22:29,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 04:22:29,362 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 04:22:29,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 04:22:29,363 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 04:22:29,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 04:22:29" (3/4) ... [2018-12-31 04:22:29,366 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 04:22:29,412 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 04:22:29,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 04:22:29,413 INFO L168 Benchmark]: Toolchain (without parser) took 898.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -122.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:22:29,415 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:22:29,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.79 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 04:22:29,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.03 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:22:29,418 INFO L168 Benchmark]: Boogie Preprocessor took 17.47 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:22:29,418 INFO L168 Benchmark]: RCFGBuilder took 273.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-31 04:22:29,419 INFO L168 Benchmark]: TraceAbstraction took 262.73 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: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-12-31 04:22:29,421 INFO L168 Benchmark]: Witness Printer took 50.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 04:22:29,427 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 246.79 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.03 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.47 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 273.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 262.73 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: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Witness Printer took 50.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 14]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] COND TRUE i==1 [L14] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...