java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 15:39:52,421 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 15:39:52,425 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 15:39:52,438 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 15:39:52,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 15:39:52,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 15:39:52,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 15:39:52,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 15:39:52,444 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 15:39:52,445 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 15:39:52,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 15:39:52,446 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 15:39:52,447 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 15:39:52,448 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 15:39:52,450 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 15:39:52,450 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 15:39:52,451 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 15:39:52,453 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 15:39:52,456 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 15:39:52,457 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 15:39:52,458 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 15:39:52,460 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 15:39:52,462 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 15:39:52,463 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 15:39:52,463 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 15:39:52,464 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 15:39:52,465 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 15:39:52,466 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 15:39:52,467 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 15:39:52,468 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 15:39:52,468 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 15:39:52,469 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-23 15:39:52,472 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-23 15:39:52,502 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 15:39:52,504 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 15:39:52,505 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 15:39:52,505 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 15:39:52,506 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 15:39:52,506 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 15:39:52,506 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 15:39:52,506 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 15:39:52,506 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 15:39:52,507 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 15:39:52,507 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 15:39:52,507 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 15:39:52,507 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 15:39:52,508 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 15:39:52,508 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 15:39:52,508 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 15:39:52,508 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 15:39:52,508 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 15:39:52,509 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 15:39:52,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 15:39:52,509 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 15:39:52,509 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 15:39:52,509 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 15:39:52,510 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 15:39:52,511 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 15:39:52,511 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 15:39:52,512 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 15:39:52,512 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 15:39:52,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 15:39:52,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 15:39:52,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 15:39:52,580 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 15:39:52,581 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 15:39:52,581 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i [2018-10-23 15:39:52,639 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/798cf1618/6c11794ff70644a3b6463f61bdf90a68/FLAG23195193a [2018-10-23 15:39:53,061 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 15:39:53,062 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i [2018-10-23 15:39:53,068 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/798cf1618/6c11794ff70644a3b6463f61bdf90a68/FLAG23195193a [2018-10-23 15:39:53,082 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/798cf1618/6c11794ff70644a3b6463f61bdf90a68 [2018-10-23 15:39:53,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 15:39:53,093 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 15:39:53,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 15:39:53,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 15:39:53,098 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 15:39:53,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 03:39:53" (1/1) ... [2018-10-23 15:39:53,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4efdbbc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:53, skipping insertion in model container [2018-10-23 15:39:53,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 03:39:53" (1/1) ... [2018-10-23 15:39:53,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 15:39:53,142 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 15:39:53,363 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 15:39:53,374 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 15:39:53,394 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 15:39:53,411 INFO L193 MainTranslator]: Completed translation [2018-10-23 15:39:53,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:53 WrapperNode [2018-10-23 15:39:53,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 15:39:53,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 15:39:53,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 15:39:53,413 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 15:39:53,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:53" (1/1) ... [2018-10-23 15:39:53,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:53" (1/1) ... [2018-10-23 15:39:53,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 15:39:53,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 15:39:53,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 15:39:53,449 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 15:39:53,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:53" (1/1) ... [2018-10-23 15:39:53,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:53" (1/1) ... [2018-10-23 15:39:53,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:53" (1/1) ... [2018-10-23 15:39:53,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:53" (1/1) ... [2018-10-23 15:39:53,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:53" (1/1) ... [2018-10-23 15:39:53,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:53" (1/1) ... [2018-10-23 15:39:53,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:53" (1/1) ... [2018-10-23 15:39:53,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 15:39:53,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 15:39:53,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 15:39:53,474 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 15:39:53,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-23 15:39:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 15:39:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 15:39:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-23 15:39:53,953 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 15:39:53,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 03:39:53 BoogieIcfgContainer [2018-10-23 15:39:53,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 15:39:53,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 15:39:53,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 15:39:53,959 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 15:39:53,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 03:39:53" (1/3) ... [2018-10-23 15:39:53,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285a3c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 03:39:53, skipping insertion in model container [2018-10-23 15:39:53,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 03:39:53" (2/3) ... [2018-10-23 15:39:53,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285a3c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 03:39:53, skipping insertion in model container [2018-10-23 15:39:53,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 03:39:53" (3/3) ... [2018-10-23 15:39:53,963 INFO L112 eAbstractionObserver]: Analyzing ICFG verisec_NetBSD-libc__loop_false-unreach-call_true-termination.i [2018-10-23 15:39:53,973 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 15:39:53,984 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 15:39:54,001 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 15:39:54,033 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 15:39:54,034 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 15:39:54,034 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 15:39:54,034 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 15:39:54,034 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 15:39:54,034 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 15:39:54,035 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 15:39:54,035 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 15:39:54,035 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 15:39:54,049 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2018-10-23 15:39:54,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-23 15:39:54,055 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:39:54,056 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-10-23 15:39:54,058 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:39:54,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:39:54,064 INFO L82 PathProgramCache]: Analyzing trace with hash 889540490, now seen corresponding path program 1 times [2018-10-23 15:39:54,066 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:39:54,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:39:54,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:54,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:39:54,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:39:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 15:39:54,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 15:39:54,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 15:39:54,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 15:39:54,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 15:39:54,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-23 15:39:54,343 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2018-10-23 15:39:54,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:39:54,475 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2018-10-23 15:39:54,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 15:39:54,477 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-10-23 15:39:54,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:39:54,488 INFO L225 Difference]: With dead ends: 51 [2018-10-23 15:39:54,488 INFO L226 Difference]: Without dead ends: 16 [2018-10-23 15:39:54,492 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 15:39:54,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-10-23 15:39:54,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 12. [2018-10-23 15:39:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-10-23 15:39:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-10-23 15:39:54,530 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 6 [2018-10-23 15:39:54,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:39:54,531 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-10-23 15:39:54,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 15:39:54,531 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-10-23 15:39:54,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-23 15:39:54,532 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:39:54,532 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 15:39:54,533 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:39:54,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:39:54,533 INFO L82 PathProgramCache]: Analyzing trace with hash -192795628, now seen corresponding path program 1 times [2018-10-23 15:39:54,533 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:39:54,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:39:54,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:54,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:39:54,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:39:54,903 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-23 15:39:55,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 15:39:55,044 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 15:39:55,044 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 15:39:55,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:39:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 15:39:55,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 15:39:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 15:39:55,301 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 15:39:55,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2018-10-23 15:39:55,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-23 15:39:55,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-23 15:39:55,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-23 15:39:55,306 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 8 states. [2018-10-23 15:39:55,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 15:39:55,600 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-10-23 15:39:55,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 15:39:55,601 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2018-10-23 15:39:55,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 15:39:55,602 INFO L225 Difference]: With dead ends: 23 [2018-10-23 15:39:55,602 INFO L226 Difference]: Without dead ends: 21 [2018-10-23 15:39:55,603 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-10-23 15:39:55,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-10-23 15:39:55,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2018-10-23 15:39:55,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-10-23 15:39:55,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-10-23 15:39:55,608 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 11 [2018-10-23 15:39:55,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 15:39:55,608 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-10-23 15:39:55,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-23 15:39:55,609 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-10-23 15:39:55,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-23 15:39:55,610 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 15:39:55,610 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1] [2018-10-23 15:39:55,610 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 15:39:55,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 15:39:55,611 INFO L82 PathProgramCache]: Analyzing trace with hash -668232246, now seen corresponding path program 2 times [2018-10-23 15:39:55,611 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 15:39:55,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 15:39:55,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:55,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 15:39:55,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 15:39:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-23 15:39:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-23 15:39:55,686 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-23 15:39:55,701 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,703 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,703 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,704 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,704 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,705 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,705 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,706 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,706 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,707 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,707 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,708 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,709 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,709 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,710 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,710 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,711 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,711 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,712 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,712 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,713 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,713 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,714 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,714 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,715 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,715 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,715 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,716 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,716 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,717 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-23 15:39:55,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 03:39:55 BoogieIcfgContainer [2018-10-23 15:39:55,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 15:39:55,739 INFO L168 Benchmark]: Toolchain (without parser) took 2647.05 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 712.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -652.0 MB). Peak memory consumption was 60.5 MB. Max. memory is 7.1 GB. [2018-10-23 15:39:55,741 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 15:39:55,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.08 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-23 15:39:55,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 15:39:55,743 INFO L168 Benchmark]: Boogie Preprocessor took 24.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 15:39:55,744 INFO L168 Benchmark]: RCFGBuilder took 480.88 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 712.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -746.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2018-10-23 15:39:55,745 INFO L168 Benchmark]: TraceAbstraction took 1783.48 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 83.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2018-10-23 15:39:55,749 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 318.08 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 480.88 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 712.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -746.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1783.48 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 83.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] Char *tmp; VAL [tmp={0:0}] [L29] CALL Char pathbuf[1 +1]; [L29] RET Char pathbuf[1 +1]; [L31] Char *bound = pathbuf + sizeof(pathbuf) - 1; [L33] tmp = pathbuf + sizeof(pathbuf)/sizeof(*pathbuf) - 1 [L35] CALL glob2 (pathbuf, bound) [L16] Char *p; [L18] p = pathbuf VAL [tmp={29:4}] [L18] COND TRUE p <= pathlim [L20] CALL __VERIFIER_assert(p<=tmp) [L4] COND FALSE, RET !(!(cond)) VAL [tmp={29:4}] [L20] __VERIFIER_assert(p<=tmp) [L21] CALL *p = 1 [L21] RET *p = 1 [L18] p++ VAL [tmp={29:4}] [L18] COND TRUE p <= pathlim [L20] CALL __VERIFIER_assert(p<=tmp) [L4] COND FALSE, RET !(!(cond)) VAL [tmp={29:4}] [L20] __VERIFIER_assert(p<=tmp) [L21] CALL *p = 1 [L21] RET *p = 1 [L18] p++ VAL [tmp={29:4}] [L18] COND TRUE p <= pathlim [L20] CALL __VERIFIER_assert(p<=tmp) [L4] COND TRUE !(cond) VAL [tmp={29:4}] [L5] __VERIFIER_error() VAL [tmp={29:4}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. UNSAFE Result, 1.7s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 32 SDslu, 42 SDs, 0 SdLazy, 35 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=2, 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, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 1505 SizeOfPredicates, 14 NumberOfNonLiveVariables, 88 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...