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/forester-heap/sll-reverse_simple_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:19:36,993 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:19:36,994 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:19:37,007 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:19:37,007 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:19:37,008 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:19:37,009 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:19:37,011 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:19:37,012 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:19:37,013 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:19:37,014 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:19:37,014 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:19:37,015 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:19:37,016 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:19:37,017 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:19:37,019 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:19:37,020 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:19:37,022 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:19:37,023 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:19:37,024 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:19:37,026 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 04:19:37,026 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 04:19:37,026 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 04:19:37,027 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 04:19:37,028 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 04:19:37,029 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 04:19:37,029 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 04:19:37,030 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 04:19:37,030 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 04:19:37,030 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:19:37,030 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:19:37,031 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 04:19:37,041 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:19:37,041 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:19:37,042 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:19:37,042 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:19:37,042 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:19:37,043 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:19:37,043 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:19:37,043 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:19:37,043 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:19:37,043 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:19:37,043 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:19:37,043 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:19:37,043 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:19:37,044 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:19:37,044 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:19:37,044 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:19:37,044 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:19:37,044 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:19:37,044 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:19:37,044 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:19:37,044 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:19:37,045 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:19:37,045 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-04 04:19:37,045 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-04 04:19:37,045 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-04 04:19:37,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:19:37,081 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:19:37,083 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:19:37,084 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:19:37,085 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:19:37,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-reverse_simple_true-unreach-call_true-valid-memsafety.i [2018-02-04 04:19:37,216 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:19:37,218 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:19:37,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:19:37,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:19:37,225 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:19:37,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:19:37" (1/1) ... [2018-02-04 04:19:37,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ece180a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:37, skipping insertion in model container [2018-02-04 04:19:37,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:19:37" (1/1) ... [2018-02-04 04:19:37,244 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:19:37,276 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:19:37,369 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:19:37,385 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:19:37,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:37 WrapperNode [2018-02-04 04:19:37,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:19:37,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:19:37,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:19:37,391 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:19:37,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:37" (1/1) ... [2018-02-04 04:19:37,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:37" (1/1) ... [2018-02-04 04:19:37,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:37" (1/1) ... [2018-02-04 04:19:37,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:37" (1/1) ... [2018-02-04 04:19:37,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:37" (1/1) ... [2018-02-04 04:19:37,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:37" (1/1) ... [2018-02-04 04:19:37,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:37" (1/1) ... [2018-02-04 04:19:37,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:19:37,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:19:37,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:19:37,422 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:19:37,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:37" (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 04:19:37,461 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:19:37,461 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:19:37,461 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:19:37,461 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:19:37,461 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:19:37,462 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:19:37,462 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:19:37,462 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:19:37,462 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:19:37,462 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:19:37,462 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:19:37,462 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:19:37,462 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:19:37,463 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 04:19:37,463 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:19:37,463 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:19:37,463 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:19:37,855 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:19:37,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:19:37 BoogieIcfgContainer [2018-02-04 04:19:37,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:19:37,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:19:37,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:19:37,859 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:19:37,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:19:37" (1/3) ... [2018-02-04 04:19:37,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8870af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:19:37, skipping insertion in model container [2018-02-04 04:19:37,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:19:37" (2/3) ... [2018-02-04 04:19:37,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8870af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:19:37, skipping insertion in model container [2018-02-04 04:19:37,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:19:37" (3/3) ... [2018-02-04 04:19:37,862 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-reverse_simple_true-unreach-call_true-valid-memsafety.i [2018-02-04 04:19:37,869 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:19:37,875 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 53 error locations. [2018-02-04 04:19:37,902 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:19:37,902 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:19:37,902 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-04 04:19:37,902 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-04 04:19:37,902 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:19:37,903 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:19:37,903 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:19:37,903 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:19:37,903 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:19:37,914 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2018-02-04 04:19:37,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:19:37,923 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:19:37,924 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:19:37,924 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:19:37,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1174279352, now seen corresponding path program 1 times [2018-02-04 04:19:37,929 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:19:37,929 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:19:37,961 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:37,961 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:19:37,962 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:19:37,995 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:19:38,044 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 04:19:38,046 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:19:38,047 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 04:19:38,048 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 04:19:38,060 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 04:19:38,060 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 04:19:38,062 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 4 states. [2018-02-04 04:19:38,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:19:38,321 INFO L93 Difference]: Finished difference Result 145 states and 154 transitions. [2018-02-04 04:19:38,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 04:19:38,322 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 04:19:38,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:19:38,330 INFO L225 Difference]: With dead ends: 145 [2018-02-04 04:19:38,330 INFO L226 Difference]: Without dead ends: 141 [2018-02-04 04:19:38,331 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 04:19:38,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-02-04 04:19:38,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 129. [2018-02-04 04:19:38,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-02-04 04:19:38,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 137 transitions. [2018-02-04 04:19:38,360 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 137 transitions. Word has length 8 [2018-02-04 04:19:38,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:19:38,360 INFO L432 AbstractCegarLoop]: Abstraction has 129 states and 137 transitions. [2018-02-04 04:19:38,360 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 04:19:38,361 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 137 transitions. [2018-02-04 04:19:38,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:19:38,361 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:19:38,361 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:19:38,361 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:19:38,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1174279351, now seen corresponding path program 1 times [2018-02-04 04:19:38,361 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:19:38,361 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:19:38,362 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:38,362 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:19:38,362 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:19:38,376 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:19:38,439 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 04:19:38,439 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:19:38,440 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 04:19:38,441 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 04:19:38,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 04:19:38,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 04:19:38,442 INFO L87 Difference]: Start difference. First operand 129 states and 137 transitions. Second operand 4 states. [2018-02-04 04:19:38,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:19:38,536 INFO L93 Difference]: Finished difference Result 127 states and 135 transitions. [2018-02-04 04:19:38,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 04:19:38,536 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 04:19:38,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:19:38,537 INFO L225 Difference]: With dead ends: 127 [2018-02-04 04:19:38,538 INFO L226 Difference]: Without dead ends: 127 [2018-02-04 04:19:38,538 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 04:19:38,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-02-04 04:19:38,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-02-04 04:19:38,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-02-04 04:19:38,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 135 transitions. [2018-02-04 04:19:38,546 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 135 transitions. Word has length 8 [2018-02-04 04:19:38,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:19:38,546 INFO L432 AbstractCegarLoop]: Abstraction has 127 states and 135 transitions. [2018-02-04 04:19:38,546 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 04:19:38,547 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 135 transitions. [2018-02-04 04:19:38,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 04:19:38,547 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:19:38,547 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:19:38,547 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:19:38,548 INFO L82 PathProgramCache]: Analyzing trace with hash -849816279, now seen corresponding path program 1 times [2018-02-04 04:19:38,548 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:19:38,548 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:19:38,549 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:38,549 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:19:38,549 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:19:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:19:38,566 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:19:38,573 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 04:19:38,576 INFO L168 Benchmark]: Toolchain (without parser) took 1359.38 ms. Allocated memory was 390.1 MB in the beginning and 582.0 MB in the end (delta: 191.9 MB). Free memory was 346.9 MB in the beginning and 503.3 MB in the end (delta: -156.4 MB). Peak memory consumption was 35.5 MB. Max. memory is 5.3 GB. [2018-02-04 04:19:38,577 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 390.1 MB. Free memory is still 353.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:19:38,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.60 ms. Allocated memory is still 390.1 MB. Free memory was 346.9 MB in the beginning and 335.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-04 04:19:38,578 INFO L168 Benchmark]: Boogie Preprocessor took 30.37 ms. Allocated memory is still 390.1 MB. Free memory was 335.0 MB in the beginning and 332.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:19:38,578 INFO L168 Benchmark]: RCFGBuilder took 434.34 ms. Allocated memory is still 390.1 MB. Free memory was 332.4 MB in the beginning and 295.8 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:19:38,579 INFO L168 Benchmark]: TraceAbstraction took 718.78 ms. Allocated memory was 390.1 MB in the beginning and 582.0 MB in the end (delta: 191.9 MB). Free memory was 295.8 MB in the beginning and 503.3 MB in the end (delta: -207.5 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:19:38,581 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 390.1 MB. Free memory is still 353.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 172.60 ms. Allocated memory is still 390.1 MB. Free memory was 346.9 MB in the beginning and 335.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.37 ms. Allocated memory is still 390.1 MB. Free memory was 335.0 MB in the beginning and 332.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 434.34 ms. Allocated memory is still 390.1 MB. Free memory was 332.4 MB in the beginning and 295.8 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 718.78 ms. Allocated memory was 390.1 MB in the beginning and 582.0 MB in the end (delta: 191.9 MB). Free memory was 295.8 MB in the beginning and 503.3 MB in the end (delta: -207.5 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/sll-reverse_simple_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-19-38-588.csv Received shutdown request...