java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrncpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 10:36:23,981 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 10:36:23,983 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 10:36:23,995 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 10:36:23,995 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 10:36:23,995 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 10:36:23,996 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 10:36:23,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 10:36:23,999 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 10:36:23,999 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 10:36:24,000 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 10:36:24,000 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 10:36:24,001 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 10:36:24,002 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 10:36:24,002 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 10:36:24,004 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 10:36:24,006 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 10:36:24,007 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 10:36:24,008 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 10:36:24,009 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 10:36:24,010 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-02 10:36:24,014 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 10:36:24,014 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 10:36:24,015 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-02 10:36:24,024 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 10:36:24,024 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 10:36:24,025 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 10:36:24,025 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 10:36:24,025 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 10:36:24,026 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 10:36:24,026 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 10:36:24,026 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 10:36:24,026 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 10:36:24,026 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 10:36:24,026 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 10:36:24,027 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 10:36:24,027 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 10:36:24,027 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 10:36:24,027 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 10:36:24,027 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 10:36:24,027 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 10:36:24,027 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 10:36:24,028 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 10:36:24,028 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 10:36:24,028 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:36:24,028 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 10:36:24,028 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 10:36:24,028 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol_NoArrayInterpol [2018-02-02 10:36:24,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 10:36:24,065 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 10:36:24,068 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 10:36:24,070 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 10:36:24,070 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 10:36:24,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-02-02 10:36:24,193 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 10:36:24,194 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 10:36:24,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 10:36:24,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 10:36:24,200 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 10:36:24,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:36:24" (1/1) ... [2018-02-02 10:36:24,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1bdbed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:24, skipping insertion in model container [2018-02-02 10:36:24,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:36:24" (1/1) ... [2018-02-02 10:36:24,212 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:36:24,239 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:36:24,325 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:36:24,337 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:36:24,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:24 WrapperNode [2018-02-02 10:36:24,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 10:36:24,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 10:36:24,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 10:36:24,342 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 10:36:24,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:24" (1/1) ... [2018-02-02 10:36:24,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:24" (1/1) ... [2018-02-02 10:36:24,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:24" (1/1) ... [2018-02-02 10:36:24,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:24" (1/1) ... [2018-02-02 10:36:24,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:24" (1/1) ... [2018-02-02 10:36:24,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:24" (1/1) ... [2018-02-02 10:36:24,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:24" (1/1) ... [2018-02-02 10:36:24,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 10:36:24,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 10:36:24,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 10:36:24,369 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 10:36:24,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:24" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-02-02 10:36:24,405 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 10:36:24,405 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 10:36:24,406 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncpy [2018-02-02 10:36:24,406 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 10:36:24,406 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 10:36:24,406 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 10:36:24,406 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 10:36:24,406 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 10:36:24,406 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 10:36:24,406 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 10:36:24,406 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncpy [2018-02-02 10:36:24,406 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 10:36:24,406 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 10:36:24,407 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 10:36:24,549 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 10:36:24,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:36:24 BoogieIcfgContainer [2018-02-02 10:36:24,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 10:36:24,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 10:36:24,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 10:36:24,552 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 10:36:24,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:36:24" (1/3) ... [2018-02-02 10:36:24,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f394a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:36:24, skipping insertion in model container [2018-02-02 10:36:24,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:24" (2/3) ... [2018-02-02 10:36:24,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f394a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:36:24, skipping insertion in model container [2018-02-02 10:36:24,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:36:24" (3/3) ... [2018-02-02 10:36:24,554 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-02-02 10:36:24,559 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 10:36:24,563 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-02-02 10:36:24,595 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 10:36:24,595 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 10:36:24,595 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 10:36:24,595 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 10:36:24,596 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 10:36:24,596 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 10:36:24,596 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 10:36:24,596 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 10:36:24,597 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 10:36:24,608 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-02-02 10:36:24,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 10:36:24,616 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:24,617 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:36:24,617 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-02 10:36:24,622 INFO L82 PathProgramCache]: Analyzing trace with hash 118579097, now seen corresponding path program 1 times [2018-02-02 10:36:24,668 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:24,714 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:24,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:36:24,793 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:36:24,793 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:36:24,793 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:36:24,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:36:24,794 INFO L182 omatonBuilderFactory]: Interpolants [49#true, 50#false, 51#(= 1 (select |#valid| |main_#t~malloc11.base|)), 52#(= 1 (select |#valid| main_~nondetString~0.base))] [2018-02-02 10:36:24,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:36:24,795 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:36:24,803 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:36:24,804 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:36:24,805 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 4 states. [2018-02-02 10:36:24,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:36:24,893 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2018-02-02 10:36:24,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 10:36:24,942 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-02-02 10:36:24,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:36:24,952 INFO L225 Difference]: With dead ends: 45 [2018-02-02 10:36:24,952 INFO L226 Difference]: Without dead ends: 42 [2018-02-02 10:36:24,954 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 10:36:24,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-02-02 10:36:24,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-02-02 10:36:24,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-02-02 10:36:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-02-02 10:36:24,977 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 13 [2018-02-02 10:36:24,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:36:24,978 INFO L432 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-02-02 10:36:24,978 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:36:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-02-02 10:36:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 10:36:24,978 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:24,978 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:36:24,978 INFO L371 AbstractCegarLoop]: === Iteration 2 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-02 10:36:24,978 INFO L82 PathProgramCache]: Analyzing trace with hash 118579098, now seen corresponding path program 1 times [2018-02-02 10:36:24,979 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:24,996 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:25,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:36:25,067 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:36:25,067 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 10:36:25,068 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:36:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:36:25,068 INFO L182 omatonBuilderFactory]: Interpolants [144#(<= 1 main_~length~0), 145#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 146#(and (= main_~length~0 (select |#length| main_~nondetString~0.base)) (= main_~nondetString~0.offset 0) (<= 1 main_~length~0)), 142#true, 143#false] [2018-02-02 10:36:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:36:25,069 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 10:36:25,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 10:36:25,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 10:36:25,070 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2018-02-02 10:36:25,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:36:25,098 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-02-02 10:36:25,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 10:36:25,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-02-02 10:36:25,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:36:25,099 INFO L225 Difference]: With dead ends: 41 [2018-02-02 10:36:25,099 INFO L226 Difference]: Without dead ends: 41 [2018-02-02 10:36:25,100 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-02-02 10:36:25,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-02-02 10:36:25,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-02-02 10:36:25,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-02-02 10:36:25,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-02-02 10:36:25,102 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 13 [2018-02-02 10:36:25,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:36:25,102 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-02-02 10:36:25,102 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 10:36:25,103 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-02-02 10:36:25,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-02 10:36:25,103 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:25,103 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:36:25,103 INFO L371 AbstractCegarLoop]: === Iteration 3 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-02 10:36:25,103 INFO L82 PathProgramCache]: Analyzing trace with hash -539609344, now seen corresponding path program 1 times [2018-02-02 10:36:25,104 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:25,117 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:36:25,180 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:36:25,180 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 10:36:25,180 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:36:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:36:25,181 INFO L182 omatonBuilderFactory]: Interpolants [231#true, 232#false, 233#(= 1 (select |#valid| main_~nondetString~0.base)), 234#(= 1 (select |#valid| |cstrncpy_#in~s2.base|)), 235#(= 1 (select |#valid| cstrncpy_~src~0.base)), 236#(= 1 (select |#valid| |cstrncpy_#t~post2.base|))] [2018-02-02 10:36:25,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:36:25,181 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 10:36:25,181 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 10:36:25,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 10:36:25,182 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 6 states. [2018-02-02 10:36:25,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:36:25,275 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2018-02-02 10:36:25,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 10:36:25,275 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-02-02 10:36:25,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:36:25,276 INFO L225 Difference]: With dead ends: 40 [2018-02-02 10:36:25,276 INFO L226 Difference]: Without dead ends: 40 [2018-02-02 10:36:25,276 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-02-02 10:36:25,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-02-02 10:36:25,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-02-02 10:36:25,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-02-02 10:36:25,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2018-02-02 10:36:25,278 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 18 [2018-02-02 10:36:25,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:36:25,279 INFO L432 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2018-02-02 10:36:25,279 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 10:36:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-02-02 10:36:25,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-02 10:36:25,279 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:25,279 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:36:25,279 INFO L371 AbstractCegarLoop]: === Iteration 4 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-02 10:36:25,280 INFO L82 PathProgramCache]: Analyzing trace with hash -539609343, now seen corresponding path program 1 times [2018-02-02 10:36:25,280 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:25,291 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:25,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:36:25,384 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:36:25,384 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-02 10:36:25,385 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:36:25,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:36:25,385 INFO L182 omatonBuilderFactory]: Interpolants [321#true, 322#false, 323#(<= 1 main_~length~0), 324#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 325#(and (= main_~length~0 (select |#length| main_~nondetString~0.base)) (= 0 main_~nondetString~0.offset) (<= 1 main_~length~0)), 326#(and (<= 1 (select |#length| main_~nondetString~0.base)) (= 0 main_~nondetString~0.offset)), 327#(and (<= 1 (select |#length| |cstrncpy_#in~s2.base|)) (= 0 |cstrncpy_#in~s2.offset|)), 328#(and (= 0 cstrncpy_~src~0.offset) (<= 1 (select |#length| cstrncpy_~src~0.base))), 329#(and (= |cstrncpy_#t~post2.offset| 0) (<= 1 (select |#length| |cstrncpy_#t~post2.base|)))] [2018-02-02 10:36:25,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:36:25,386 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-02 10:36:25,386 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-02 10:36:25,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-02-02 10:36:25,386 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 9 states. [2018-02-02 10:36:25,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:36:25,467 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2018-02-02 10:36:25,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-02 10:36:25,467 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-02-02 10:36:25,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:36:25,469 INFO L225 Difference]: With dead ends: 50 [2018-02-02 10:36:25,470 INFO L226 Difference]: Without dead ends: 50 [2018-02-02 10:36:25,470 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-02-02 10:36:25,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-02-02 10:36:25,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 43. [2018-02-02 10:36:25,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-02-02 10:36:25,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-02-02 10:36:25,473 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 18 [2018-02-02 10:36:25,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:36:25,473 INFO L432 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-02-02 10:36:25,473 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-02 10:36:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-02-02 10:36:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-02 10:36:25,473 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:25,474 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:36:25,474 INFO L371 AbstractCegarLoop]: === Iteration 5 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-02 10:36:25,474 INFO L82 PathProgramCache]: Analyzing trace with hash 451979505, now seen corresponding path program 1 times [2018-02-02 10:36:25,474 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:25,492 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:25,499 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unknown lemma type! at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$1(Interpolator.java:263) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:132) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-02 10:36:25,502 INFO L168 Benchmark]: Toolchain (without parser) took 1308.73 ms. Allocated memory was 394.3 MB in the beginning and 587.7 MB in the end (delta: 193.5 MB). Free memory was 348.3 MB in the beginning and 482.7 MB in the end (delta: -134.4 MB). Peak memory consumption was 59.1 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:25,504 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 394.3 MB. Free memory is still 353.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:36:25,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.06 ms. Allocated memory is still 394.3 MB. Free memory was 348.3 MB in the beginning and 337.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:25,504 INFO L168 Benchmark]: Boogie Preprocessor took 26.32 ms. Allocated memory is still 394.3 MB. Free memory was 337.7 MB in the beginning and 335.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:25,504 INFO L168 Benchmark]: RCFGBuilder took 180.76 ms. Allocated memory is still 394.3 MB. Free memory was 335.1 MB in the beginning and 315.3 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:25,505 INFO L168 Benchmark]: TraceAbstraction took 951.78 ms. Allocated memory was 394.3 MB in the beginning and 587.7 MB in the end (delta: 193.5 MB). Free memory was 315.3 MB in the beginning and 482.7 MB in the end (delta: -167.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:25,506 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 394.3 MB. Free memory is still 353.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 147.06 ms. Allocated memory is still 394.3 MB. Free memory was 348.3 MB in the beginning and 337.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 26.32 ms. Allocated memory is still 394.3 MB. Free memory was 337.7 MB in the beginning and 335.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 180.76 ms. Allocated memory is still 394.3 MB. Free memory was 335.1 MB in the beginning and 315.3 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 951.78 ms. Allocated memory was 394.3 MB in the beginning and 587.7 MB in the end (delta: 193.5 MB). Free memory was 315.3 MB in the beginning and 482.7 MB in the end (delta: -167.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Unknown lemma type! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unknown lemma type!: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-36-25-512.csv Received shutdown request...