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/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 10:36:41,986 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 10:36:41,987 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 10:36:41,998 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 10:36:41,998 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 10:36:41,999 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 10:36:42,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 10:36:42,001 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 10:36:42,003 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 10:36:42,004 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 10:36:42,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 10:36:42,005 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 10:36:42,006 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 10:36:42,007 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 10:36:42,007 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 10:36:42,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 10:36:42,011 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 10:36:42,013 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 10:36:42,013 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 10:36:42,014 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 10:36:42,016 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-02 10:36:42,020 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 10:36:42,021 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 10:36:42,021 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 10:36:42,031 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 10:36:42,031 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 10:36:42,032 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 10:36:42,032 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 10:36:42,032 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 10:36:42,032 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 10:36:42,033 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 10:36:42,033 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 10:36:42,033 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 10:36:42,033 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 10:36:42,033 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 10:36:42,033 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 10:36:42,033 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 10:36:42,034 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 10:36:42,034 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 10:36:42,034 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 10:36:42,034 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 10:36:42,034 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 10:36:42,034 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 10:36:42,035 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 10:36:42,035 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:36:42,035 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 10:36:42,035 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 10:36:42,035 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol_NoArrayInterpol [2018-02-02 10:36:42,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 10:36:42,077 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 10:36:42,080 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 10:36:42,082 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 10:36:42,082 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 10:36:42,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i [2018-02-02 10:36:42,201 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 10:36:42,202 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 10:36:42,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 10:36:42,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 10:36:42,209 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 10:36:42,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:36:42" (1/1) ... [2018-02-02 10:36:42,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fdaeb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:42, skipping insertion in model container [2018-02-02 10:36:42,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:36:42" (1/1) ... [2018-02-02 10:36:42,228 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:36:42,259 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:36:42,350 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:36:42,363 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:36:42,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:42 WrapperNode [2018-02-02 10:36:42,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 10:36:42,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 10:36:42,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 10:36:42,369 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 10:36:42,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:42" (1/1) ... [2018-02-02 10:36:42,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:42" (1/1) ... [2018-02-02 10:36:42,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:42" (1/1) ... [2018-02-02 10:36:42,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:42" (1/1) ... [2018-02-02 10:36:42,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:42" (1/1) ... [2018-02-02 10:36:42,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:42" (1/1) ... [2018-02-02 10:36:42,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:42" (1/1) ... [2018-02-02 10:36:42,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 10:36:42,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 10:36:42,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 10:36:42,396 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 10:36:42,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:42" (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 10:36:42,432 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 10:36:42,432 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 10:36:42,432 INFO L136 BoogieDeclarations]: Found implementation of procedure cstpncpy [2018-02-02 10:36:42,432 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 10:36:42,432 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 10:36:42,432 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 10:36:42,432 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 10:36:42,432 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 10:36:42,433 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 10:36:42,433 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 10:36:42,433 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 10:36:42,433 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 10:36:42,433 INFO L128 BoogieDeclarations]: Found specification of procedure cstpncpy [2018-02-02 10:36:42,433 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 10:36:42,433 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 10:36:42,433 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 10:36:42,639 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 10:36:42,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:36:42 BoogieIcfgContainer [2018-02-02 10:36:42,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 10:36:42,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 10:36:42,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 10:36:42,643 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 10:36:42,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:36:42" (1/3) ... [2018-02-02 10:36:42,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662f2344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:36:42, skipping insertion in model container [2018-02-02 10:36:42,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:42" (2/3) ... [2018-02-02 10:36:42,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662f2344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:36:42, skipping insertion in model container [2018-02-02 10:36:42,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:36:42" (3/3) ... [2018-02-02 10:36:42,645 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i [2018-02-02 10:36:42,650 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 10:36:42,655 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 21 error locations. [2018-02-02 10:36:42,675 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 10:36:42,676 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 10:36:42,676 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 10:36:42,676 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 10:36:42,676 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 10:36:42,676 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 10:36:42,676 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 10:36:42,676 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 10:36:42,677 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 10:36:42,686 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2018-02-02 10:36:42,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 10:36:42,693 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:42,694 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:36:42,694 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstpncpyErr3RequiresViolation, cstpncpyErr10RequiresViolation, cstpncpyErr11RequiresViolation, cstpncpyErr7RequiresViolation, cstpncpyErr6RequiresViolation, cstpncpyErr2RequiresViolation, cstpncpyErr13RequiresViolation, cstpncpyErr15RequiresViolation, cstpncpyErr4RequiresViolation, cstpncpyErr5RequiresViolation, cstpncpyErr9RequiresViolation, cstpncpyErr0RequiresViolation, cstpncpyErr12RequiresViolation, cstpncpyErr17RequiresViolation, cstpncpyErr1RequiresViolation, cstpncpyErr8RequiresViolation, cstpncpyErr16RequiresViolation, cstpncpyErr14RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-02 10:36:42,697 INFO L82 PathProgramCache]: Analyzing trace with hash 149116887, now seen corresponding path program 1 times [2018-02-02 10:36:42,732 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:42,772 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:42,828 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 10:36:42,830 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:36:42,830 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:36:42,831 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:36:42,831 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 10:36:42,831 INFO L182 omatonBuilderFactory]: Interpolants [74#true, 75#false, 76#(= 1 (select |#valid| |main_#t~malloc16.base|)), 77#(= 1 (select |#valid| main_~nondetString~0.base))] [2018-02-02 10:36:42,831 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 10:36:42,832 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:36:42,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:36:42,840 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:36:42,842 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 4 states. [2018-02-02 10:36:43,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:36:43,027 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2018-02-02 10:36:43,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 10:36:43,029 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-02-02 10:36:43,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:36:43,035 INFO L225 Difference]: With dead ends: 70 [2018-02-02 10:36:43,035 INFO L226 Difference]: Without dead ends: 67 [2018-02-02 10:36:43,037 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 10:36:43,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-02-02 10:36:43,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-02-02 10:36:43,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-02-02 10:36:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2018-02-02 10:36:43,062 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 13 [2018-02-02 10:36:43,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:36:43,062 INFO L432 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2018-02-02 10:36:43,062 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:36:43,062 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2018-02-02 10:36:43,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 10:36:43,062 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:43,062 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:36:43,062 INFO L371 AbstractCegarLoop]: === Iteration 2 === [cstpncpyErr3RequiresViolation, cstpncpyErr10RequiresViolation, cstpncpyErr11RequiresViolation, cstpncpyErr7RequiresViolation, cstpncpyErr6RequiresViolation, cstpncpyErr2RequiresViolation, cstpncpyErr13RequiresViolation, cstpncpyErr15RequiresViolation, cstpncpyErr4RequiresViolation, cstpncpyErr5RequiresViolation, cstpncpyErr9RequiresViolation, cstpncpyErr0RequiresViolation, cstpncpyErr12RequiresViolation, cstpncpyErr17RequiresViolation, cstpncpyErr1RequiresViolation, cstpncpyErr8RequiresViolation, cstpncpyErr16RequiresViolation, cstpncpyErr14RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-02 10:36:43,063 INFO L82 PathProgramCache]: Analyzing trace with hash 149116888, now seen corresponding path program 1 times [2018-02-02 10:36:43,063 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:43,078 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:43,149 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 10:36:43,149 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:36:43,150 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 10:36:43,150 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:36:43,150 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 10:36:43,150 INFO L182 omatonBuilderFactory]: Interpolants [217#true, 218#false, 219#(<= 1 main_~length~0), 220#(and (= 0 |main_#t~malloc16.offset|) (= main_~length~0 (select |#length| |main_#t~malloc16.base|)) (<= 1 main_~length~0)), 221#(and (= main_~length~0 (select |#length| main_~nondetString~0.base)) (= main_~nondetString~0.offset 0) (<= 1 main_~length~0))] [2018-02-02 10:36:43,150 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 10:36:43,152 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 10:36:43,152 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 10:36:43,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 10:36:43,152 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand 5 states. [2018-02-02 10:36:43,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:36:43,191 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2018-02-02 10:36:43,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 10:36:43,191 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-02-02 10:36:43,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:36:43,192 INFO L225 Difference]: With dead ends: 66 [2018-02-02 10:36:43,192 INFO L226 Difference]: Without dead ends: 66 [2018-02-02 10:36:43,193 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 10:36:43,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-02-02 10:36:43,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-02-02 10:36:43,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-02-02 10:36:43,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2018-02-02 10:36:43,199 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 13 [2018-02-02 10:36:43,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:36:43,199 INFO L432 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2018-02-02 10:36:43,199 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 10:36:43,199 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2018-02-02 10:36:43,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-02 10:36:43,200 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:43,200 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:36:43,200 INFO L371 AbstractCegarLoop]: === Iteration 3 === [cstpncpyErr3RequiresViolation, cstpncpyErr10RequiresViolation, cstpncpyErr11RequiresViolation, cstpncpyErr7RequiresViolation, cstpncpyErr6RequiresViolation, cstpncpyErr2RequiresViolation, cstpncpyErr13RequiresViolation, cstpncpyErr15RequiresViolation, cstpncpyErr4RequiresViolation, cstpncpyErr5RequiresViolation, cstpncpyErr9RequiresViolation, cstpncpyErr0RequiresViolation, cstpncpyErr12RequiresViolation, cstpncpyErr17RequiresViolation, cstpncpyErr1RequiresViolation, cstpncpyErr8RequiresViolation, cstpncpyErr16RequiresViolation, cstpncpyErr14RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-02 10:36:43,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1345074556, now seen corresponding path program 1 times [2018-02-02 10:36:43,201 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:43,217 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:43,241 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 10:36:43,241 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:36:43,241 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 10:36:43,242 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:36:43,242 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 10:36:43,242 INFO L182 omatonBuilderFactory]: Interpolants [356#true, 357#false, 358#(= 1 (select |#valid| |cstpncpy_~#dst.base|))] [2018-02-02 10:36:43,242 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 10:36:43,242 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 10:36:43,243 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 10:36:43,243 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:36:43,243 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand 3 states. [2018-02-02 10:36:43,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:36:43,292 INFO L93 Difference]: Finished difference Result 60 states and 65 transitions. [2018-02-02 10:36:43,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 10:36:43,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-02-02 10:36:43,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:36:43,293 INFO L225 Difference]: With dead ends: 60 [2018-02-02 10:36:43,293 INFO L226 Difference]: Without dead ends: 60 [2018-02-02 10:36:43,294 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:36:43,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-02-02 10:36:43,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-02-02 10:36:43,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-02-02 10:36:43,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-02-02 10:36:43,298 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 16 [2018-02-02 10:36:43,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:36:43,298 INFO L432 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-02-02 10:36:43,298 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 10:36:43,298 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-02-02 10:36:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-02 10:36:43,299 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:43,299 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:36:43,299 INFO L371 AbstractCegarLoop]: === Iteration 4 === [cstpncpyErr3RequiresViolation, cstpncpyErr10RequiresViolation, cstpncpyErr11RequiresViolation, cstpncpyErr7RequiresViolation, cstpncpyErr6RequiresViolation, cstpncpyErr2RequiresViolation, cstpncpyErr13RequiresViolation, cstpncpyErr15RequiresViolation, cstpncpyErr4RequiresViolation, cstpncpyErr5RequiresViolation, cstpncpyErr9RequiresViolation, cstpncpyErr0RequiresViolation, cstpncpyErr12RequiresViolation, cstpncpyErr17RequiresViolation, cstpncpyErr1RequiresViolation, cstpncpyErr8RequiresViolation, cstpncpyErr16RequiresViolation, cstpncpyErr14RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-02 10:36:43,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1345074557, now seen corresponding path program 1 times [2018-02-02 10:36:43,300 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:43,313 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:43,343 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 10:36:43,343 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:36:43,343 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 10:36:43,343 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:36:43,343 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 10:36:43,344 INFO L182 omatonBuilderFactory]: Interpolants [480#false, 481#(and (= |cstpncpy_~#dst.offset| 0) (= (select |#length| |cstpncpy_~#dst.base|) 4)), 479#true] [2018-02-02 10:36:43,344 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 10:36:43,344 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 10:36:43,344 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 10:36:43,344 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:36:43,345 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 3 states. [2018-02-02 10:36:43,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:36:43,384 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2018-02-02 10:36:43,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 10:36:43,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-02-02 10:36:43,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:36:43,385 INFO L225 Difference]: With dead ends: 54 [2018-02-02 10:36:43,385 INFO L226 Difference]: Without dead ends: 54 [2018-02-02 10:36:43,386 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:36:43,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-02-02 10:36:43,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-02-02 10:36:43,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-02-02 10:36:43,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2018-02-02 10:36:43,389 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 16 [2018-02-02 10:36:43,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:36:43,389 INFO L432 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2018-02-02 10:36:43,389 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 10:36:43,390 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2018-02-02 10:36:43,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-02-02 10:36:43,390 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:43,390 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:36:43,390 INFO L371 AbstractCegarLoop]: === Iteration 5 === [cstpncpyErr3RequiresViolation, cstpncpyErr10RequiresViolation, cstpncpyErr11RequiresViolation, cstpncpyErr7RequiresViolation, cstpncpyErr6RequiresViolation, cstpncpyErr2RequiresViolation, cstpncpyErr13RequiresViolation, cstpncpyErr15RequiresViolation, cstpncpyErr4RequiresViolation, cstpncpyErr5RequiresViolation, cstpncpyErr9RequiresViolation, cstpncpyErr0RequiresViolation, cstpncpyErr12RequiresViolation, cstpncpyErr17RequiresViolation, cstpncpyErr1RequiresViolation, cstpncpyErr8RequiresViolation, cstpncpyErr16RequiresViolation, cstpncpyErr14RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-02 10:36:43,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1779018923, now seen corresponding path program 1 times [2018-02-02 10:36:43,391 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:43,413 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:43,422 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 10:36:43,425 INFO L168 Benchmark]: Toolchain (without parser) took 1223.62 ms. Allocated memory was 396.9 MB in the beginning and 593.5 MB in the end (delta: 196.6 MB). Free memory was 352.3 MB in the beginning and 512.0 MB in the end (delta: -159.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:43,426 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 396.9 MB. Free memory is still 357.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:36:43,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.34 ms. Allocated memory is still 396.9 MB. Free memory was 350.9 MB in the beginning and 340.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:43,426 INFO L168 Benchmark]: Boogie Preprocessor took 26.59 ms. Allocated memory is still 396.9 MB. Free memory was 340.4 MB in the beginning and 339.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:43,427 INFO L168 Benchmark]: RCFGBuilder took 244.11 ms. Allocated memory is still 396.9 MB. Free memory was 339.0 MB in the beginning and 313.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:43,427 INFO L168 Benchmark]: TraceAbstraction took 784.22 ms. Allocated memory was 396.9 MB in the beginning and 593.5 MB in the end (delta: 196.6 MB). Free memory was 312.5 MB in the beginning and 512.0 MB in the end (delta: -199.5 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:36:43,428 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 396.9 MB. Free memory is still 357.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 165.34 ms. Allocated memory is still 396.9 MB. Free memory was 350.9 MB in the beginning and 340.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 26.59 ms. Allocated memory is still 396.9 MB. Free memory was 340.4 MB in the beginning and 339.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 244.11 ms. Allocated memory is still 396.9 MB. Free memory was 339.0 MB in the beginning and 313.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 784.22 ms. Allocated memory was 396.9 MB in the beginning and 593.5 MB in the end (delta: 196.6 MB). Free memory was 312.5 MB in the beginning and 512.0 MB in the end (delta: -199.5 MB). There was no memory consumed. 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/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-36-43-434.csv Received shutdown request...