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/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:03:53,095 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:03:53,097 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:03:53,110 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:03:53,110 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:03:53,111 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:03:53,112 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:03:53,113 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:03:53,115 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:03:53,116 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:03:53,117 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:03:53,117 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:03:53,117 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:03:53,118 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:03:53,119 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:03:53,121 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:03:53,123 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:03:53,124 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:03:53,125 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:03:53,126 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:03:53,128 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 04:03:53,132 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:03:53,133 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:03:53,133 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-04 04:03:53,143 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:03:53,143 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:03:53,144 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:03:53,145 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:03:53,145 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:03:53,145 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:03:53,145 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:03:53,145 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:03:53,145 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:03:53,146 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:03:53,146 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:03:53,146 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:03:53,146 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:03:53,146 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:03:53,146 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:03:53,146 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:03:53,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:03:53,147 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:03:53,147 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:03:53,147 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:03:53,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:03:53,147 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:03:53,147 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-04 04:03:53,148 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-04 04:03:53,148 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-04 04:03:53,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:03:53,190 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:03:53,194 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:03:53,196 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:03:53,197 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:03:53,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-02-04 04:03:53,331 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:03:53,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:03:53,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:03:53,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:03:53,336 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:03:53,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:03:53" (1/1) ... [2018-02-04 04:03:53,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c76d208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:03:53, skipping insertion in model container [2018-02-04 04:03:53,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:03:53" (1/1) ... [2018-02-04 04:03:53,349 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:03:53,376 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:03:53,462 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:03:53,476 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:03:53,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:03:53 WrapperNode [2018-02-04 04:03:53,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:03:53,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:03:53,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:03:53,482 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:03:53,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:03:53" (1/1) ... [2018-02-04 04:03:53,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:03:53" (1/1) ... [2018-02-04 04:03:53,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:03:53" (1/1) ... [2018-02-04 04:03:53,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:03:53" (1/1) ... [2018-02-04 04:03:53,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:03:53" (1/1) ... [2018-02-04 04:03:53,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:03:53" (1/1) ... [2018-02-04 04:03:53,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:03:53" (1/1) ... [2018-02-04 04:03:53,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:03:53,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:03:53,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:03:53,506 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:03:53,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:03:53" (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 [2018-02-04 04:03:53,538 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:03:53,538 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:03:53,538 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncpy [2018-02-04 04:03:53,538 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:03:53,538 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:03:53,538 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:03:53,539 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:03:53,539 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:03:53,539 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:03:53,539 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:03:53,539 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncpy [2018-02-04 04:03:53,539 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:03:53,539 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:03:53,539 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:03:53,695 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:03:53,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:03:53 BoogieIcfgContainer [2018-02-04 04:03:53,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:03:53,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:03:53,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:03:53,698 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:03:53,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:03:53" (1/3) ... [2018-02-04 04:03:53,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224f2b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:03:53, skipping insertion in model container [2018-02-04 04:03:53,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:03:53" (2/3) ... [2018-02-04 04:03:53,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224f2b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:03:53, skipping insertion in model container [2018-02-04 04:03:53,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:03:53" (3/3) ... [2018-02-04 04:03:53,700 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-02-04 04:03:53,705 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:03:53,711 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-02-04 04:03:53,746 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:03:53,746 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:03:53,746 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-04 04:03:53,747 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-04 04:03:53,747 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:03:53,747 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:03:53,747 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:03:53,747 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:03:53,748 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:03:53,761 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-02-04 04:03:53,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 04:03:53,769 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:03:53,770 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:03:53,770 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-04 04:03:53,774 INFO L82 PathProgramCache]: Analyzing trace with hash -428881312, now seen corresponding path program 1 times [2018-02-04 04:03:53,776 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:03:53,777 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:03:53,821 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:03:53,822 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:03:53,822 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:03:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:03:53,873 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:03:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:03:53,932 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:03:53,932 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 04:03:53,934 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 04:03:53,944 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 04:03:53,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 04:03:53,946 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 4 states. [2018-02-04 04:03:54,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:03:54,026 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2018-02-04 04:03:54,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 04:03:54,090 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-02-04 04:03:54,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:03:54,099 INFO L225 Difference]: With dead ends: 47 [2018-02-04 04:03:54,099 INFO L226 Difference]: Without dead ends: 44 [2018-02-04 04:03:54,100 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 [2018-02-04 04:03:54,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-02-04 04:03:54,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-02-04 04:03:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-02-04 04:03:54,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2018-02-04 04:03:54,122 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 13 [2018-02-04 04:03:54,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:03:54,122 INFO L432 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2018-02-04 04:03:54,122 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 04:03:54,122 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2018-02-04 04:03:54,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 04:03:54,123 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:03:54,123 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:03:54,123 INFO L371 AbstractCegarLoop]: === Iteration 2 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-04 04:03:54,123 INFO L82 PathProgramCache]: Analyzing trace with hash -428881311, now seen corresponding path program 1 times [2018-02-04 04:03:54,123 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:03:54,123 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:03:54,124 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:03:54,124 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:03:54,124 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:03:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:03:54,138 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:03:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:03:54,232 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:03:54,233 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:03:54,234 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:03:54,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:03:54,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 04:03:54,235 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 5 states. [2018-02-04 04:03:54,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:03:54,283 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2018-02-04 04:03:54,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:03:54,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-02-04 04:03:54,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:03:54,285 INFO L225 Difference]: With dead ends: 43 [2018-02-04 04:03:54,285 INFO L226 Difference]: Without dead ends: 43 [2018-02-04 04:03:54,286 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 [2018-02-04 04:03:54,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-02-04 04:03:54,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-02-04 04:03:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-02-04 04:03:54,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-02-04 04:03:54,296 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 13 [2018-02-04 04:03:54,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:03:54,297 INFO L432 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-02-04 04:03:54,297 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:03:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-02-04 04:03:54,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 04:03:54,298 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:03:54,298 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:03:54,298 INFO L371 AbstractCegarLoop]: === Iteration 3 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-04 04:03:54,299 INFO L82 PathProgramCache]: Analyzing trace with hash 551620863, now seen corresponding path program 1 times [2018-02-04 04:03:54,299 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:03:54,299 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:03:54,300 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:03:54,300 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:03:54,300 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:03:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:03:54,317 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:03:54,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:03:54,373 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:03:54,373 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 04:03:54,373 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 04:03:54,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 04:03:54,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 04:03:54,374 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 7 states. [2018-02-04 04:03:54,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:03:54,494 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2018-02-04 04:03:54,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 04:03:54,495 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-02-04 04:03:54,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:03:54,498 INFO L225 Difference]: With dead ends: 45 [2018-02-04 04:03:54,498 INFO L226 Difference]: Without dead ends: 45 [2018-02-04 04:03:54,498 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-02-04 04:03:54,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-02-04 04:03:54,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2018-02-04 04:03:54,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-02-04 04:03:54,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2018-02-04 04:03:54,506 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 18 [2018-02-04 04:03:54,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:03:54,506 INFO L432 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2018-02-04 04:03:54,506 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 04:03:54,507 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2018-02-04 04:03:54,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 04:03:54,507 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:03:54,507 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:03:54,507 INFO L371 AbstractCegarLoop]: === Iteration 4 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-04 04:03:54,508 INFO L82 PathProgramCache]: Analyzing trace with hash 551620864, now seen corresponding path program 1 times [2018-02-04 04:03:54,508 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:03:54,508 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:03:54,509 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:03:54,509 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:03:54,509 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:03:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:03:54,524 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:03:54,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:03:54,636 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:03:54,636 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 04:03:54,636 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 04:03:54,637 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 04:03:54,637 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-02-04 04:03:54,637 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 10 states. [2018-02-04 04:03:54,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:03:54,776 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2018-02-04 04:03:54,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 04:03:54,776 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2018-02-04 04:03:54,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:03:54,777 INFO L225 Difference]: With dead ends: 48 [2018-02-04 04:03:54,777 INFO L226 Difference]: Without dead ends: 48 [2018-02-04 04:03:54,778 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-02-04 04:03:54,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-02-04 04:03:54,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2018-02-04 04:03:54,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-02-04 04:03:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2018-02-04 04:03:54,781 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 18 [2018-02-04 04:03:54,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:03:54,781 INFO L432 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2018-02-04 04:03:54,781 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 04:03:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2018-02-04 04:03:54,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 04:03:54,782 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:03:54,782 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:03:54,782 INFO L371 AbstractCegarLoop]: === Iteration 5 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-02-04 04:03:54,782 INFO L82 PathProgramCache]: Analyzing trace with hash -79622450, now seen corresponding path program 1 times [2018-02-04 04:03:54,783 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:03:54,783 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:03:54,783 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:03:54,784 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:03:54,784 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:03:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:03:54,798 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:03:54,803 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.MultiTrackTraceAbstractionRefinementStrategy.getTraceCheck(MultiTrackTraceAbstractionRefinementStrategy.java:222) 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) [2018-02-04 04:03:54,806 INFO L168 Benchmark]: Toolchain (without parser) took 1474.53 ms. Allocated memory was 400.0 MB in the beginning and 606.1 MB in the end (delta: 206.0 MB). Free memory was 356.7 MB in the beginning and 492.1 MB in the end (delta: -135.4 MB). Peak memory consumption was 70.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:03:54,807 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 400.0 MB. Free memory is still 362.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:03:54,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.80 ms. Allocated memory is still 400.0 MB. Free memory was 356.7 MB in the beginning and 346.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:03:54,808 INFO L168 Benchmark]: Boogie Preprocessor took 23.68 ms. Allocated memory is still 400.0 MB. Free memory was 346.1 MB in the beginning and 343.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:03:54,808 INFO L168 Benchmark]: RCFGBuilder took 189.82 ms. Allocated memory is still 400.0 MB. Free memory was 343.5 MB in the beginning and 323.7 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 5.3 GB. [2018-02-04 04:03:54,808 INFO L168 Benchmark]: TraceAbstraction took 1109.77 ms. Allocated memory was 400.0 MB in the beginning and 606.1 MB in the end (delta: 206.0 MB). Free memory was 323.7 MB in the beginning and 492.1 MB in the end (delta: -168.5 MB). Peak memory consumption was 37.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:03:54,810 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 400.0 MB. Free memory is still 362.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 148.80 ms. Allocated memory is still 400.0 MB. Free memory was 356.7 MB in the beginning and 346.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 23.68 ms. Allocated memory is still 400.0 MB. Free memory was 346.1 MB in the beginning and 343.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 189.82 ms. Allocated memory is still 400.0 MB. Free memory was 343.5 MB in the beginning and 323.7 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1109.77 ms. Allocated memory was 400.0 MB in the beginning and 606.1 MB in the end (delta: 206.0 MB). Free memory was 323.7 MB in the beginning and 492.1 MB in the end (delta: -168.5 MB). Peak memory consumption was 37.6 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/openbsd_cstrncpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-03-54-816.csv Received shutdown request...