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/memsafety/test-0137_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 10:38:15,111 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 10:38:15,112 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 10:38:15,125 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 10:38:15,125 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 10:38:15,126 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 10:38:15,127 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 10:38:15,129 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 10:38:15,130 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 10:38:15,131 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 10:38:15,131 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 10:38:15,131 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 10:38:15,132 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 10:38:15,133 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 10:38:15,134 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 10:38:15,135 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 10:38:15,137 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 10:38:15,139 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 10:38:15,140 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 10:38:15,140 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 10:38:15,142 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 10:38:15,142 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 10:38:15,143 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 10:38:15,143 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 10:38:15,144 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 10:38:15,145 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 10:38:15,145 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 10:38:15,146 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 10:38:15,146 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 10:38:15,146 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 10:38:15,147 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 10:38:15,147 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 10:38:15,157 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 10:38:15,157 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 10:38:15,158 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 10:38:15,158 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 10:38:15,158 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 10:38:15,159 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 10:38:15,159 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 10:38:15,159 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 10:38:15,159 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 10:38:15,159 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 10:38:15,159 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 10:38:15,160 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 10:38:15,160 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 10:38:15,160 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 10:38:15,160 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 10:38:15,160 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 10:38:15,160 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 10:38:15,161 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 10:38:15,161 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 10:38:15,161 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 10:38:15,161 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:38:15,161 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 10:38:15,161 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 10:38:15,162 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol_NoArrayInterpol [2018-02-02 10:38:15,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 10:38:15,209 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 10:38:15,212 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 10:38:15,214 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 10:38:15,214 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 10:38:15,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0137_false-valid-deref.i [2018-02-02 10:38:15,365 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 10:38:15,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 10:38:15,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 10:38:15,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 10:38:15,374 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 10:38:15,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:38:15" (1/1) ... [2018-02-02 10:38:15,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3436ea4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:38:15, skipping insertion in model container [2018-02-02 10:38:15,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:38:15" (1/1) ... [2018-02-02 10:38:15,393 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:38:15,422 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:38:15,521 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:38:15,537 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:38:15,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:38:15 WrapperNode [2018-02-02 10:38:15,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 10:38:15,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 10:38:15,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 10:38:15,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 10:38:15,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:38:15" (1/1) ... [2018-02-02 10:38:15,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:38:15" (1/1) ... [2018-02-02 10:38:15,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:38:15" (1/1) ... [2018-02-02 10:38:15,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:38:15" (1/1) ... [2018-02-02 10:38:15,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:38:15" (1/1) ... [2018-02-02 10:38:15,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:38:15" (1/1) ... [2018-02-02 10:38:15,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:38:15" (1/1) ... [2018-02-02 10:38:15,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 10:38:15,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 10:38:15,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 10:38:15,576 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 10:38:15,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:38:15" (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 10:38:15,612 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 10:38:15,612 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 10:38:15,612 INFO L136 BoogieDeclarations]: Found implementation of procedure list_empty [2018-02-02 10:38:15,613 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_add [2018-02-02 10:38:15,613 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_del [2018-02-02 10:38:15,613 INFO L136 BoogieDeclarations]: Found implementation of procedure list_add [2018-02-02 10:38:15,613 INFO L136 BoogieDeclarations]: Found implementation of procedure list_move [2018-02-02 10:38:15,613 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-02-02 10:38:15,613 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_read [2018-02-02 10:38:15,613 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-02-02 10:38:15,613 INFO L136 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-02-02 10:38:15,614 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_seek_max [2018-02-02 10:38:15,614 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-02-02 10:38:15,614 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 10:38:15,614 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 10:38:15,614 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 10:38:15,614 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 10:38:15,614 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 10:38:15,614 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 10:38:15,615 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 10:38:15,615 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 10:38:15,615 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 10:38:15,615 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-02-02 10:38:15,615 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 10:38:15,615 INFO L128 BoogieDeclarations]: Found specification of procedure list_empty [2018-02-02 10:38:15,615 INFO L128 BoogieDeclarations]: Found specification of procedure __list_add [2018-02-02 10:38:15,615 INFO L128 BoogieDeclarations]: Found specification of procedure __list_del [2018-02-02 10:38:15,615 INFO L128 BoogieDeclarations]: Found specification of procedure list_add [2018-02-02 10:38:15,616 INFO L128 BoogieDeclarations]: Found specification of procedure list_move [2018-02-02 10:38:15,616 INFO L128 BoogieDeclarations]: Found specification of procedure gl_insert [2018-02-02 10:38:15,616 INFO L128 BoogieDeclarations]: Found specification of procedure gl_read [2018-02-02 10:38:15,616 INFO L128 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-02-02 10:38:15,616 INFO L128 BoogieDeclarations]: Found specification of procedure val_from_node [2018-02-02 10:38:15,616 INFO L128 BoogieDeclarations]: Found specification of procedure gl_seek_max [2018-02-02 10:38:15,616 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort [2018-02-02 10:38:15,616 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 10:38:15,617 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 10:38:15,617 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 10:38:15,979 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 10:38:15,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:38:15 BoogieIcfgContainer [2018-02-02 10:38:15,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 10:38:15,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 10:38:15,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 10:38:15,984 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 10:38:15,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:38:15" (1/3) ... [2018-02-02 10:38:15,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c33b40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:38:15, skipping insertion in model container [2018-02-02 10:38:15,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:38:15" (2/3) ... [2018-02-02 10:38:15,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c33b40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:38:15, skipping insertion in model container [2018-02-02 10:38:15,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:38:15" (3/3) ... [2018-02-02 10:38:15,986 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0137_false-valid-deref.i [2018-02-02 10:38:15,994 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 10:38:16,000 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 63 error locations. [2018-02-02 10:38:16,032 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 10:38:16,032 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 10:38:16,032 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 10:38:16,032 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 10:38:16,032 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 10:38:16,032 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 10:38:16,032 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 10:38:16,032 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 10:38:16,033 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 10:38:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states. [2018-02-02 10:38:16,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-02 10:38:16,054 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:38:16,055 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-02 10:38:16,055 INFO L371 AbstractCegarLoop]: === Iteration 1 === [__list_addErr1RequiresViolation, __list_addErr3RequiresViolation, __list_addErr0RequiresViolation, __list_addErr2RequiresViolation, __list_addErr4RequiresViolation, __list_addErr7RequiresViolation, __list_addErr5RequiresViolation, __list_addErr6RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, gl_sortErr16RequiresViolation, gl_sortErr4RequiresViolation, gl_sortErr12RequiresViolation, gl_sortErr5RequiresViolation, gl_sortErr0RequiresViolation, gl_sortErr11RequiresViolation, gl_sortErr9RequiresViolation, gl_sortErr2RequiresViolation, gl_sortErr18RequiresViolation, gl_sortErr7RequiresViolation, gl_sortErr13RequiresViolation, gl_sortErr14RequiresViolation, gl_sortErr19RequiresViolation, gl_sortErr6RequiresViolation, gl_sortErr1RequiresViolation, gl_sortErr17RequiresViolation, gl_sortErr15RequiresViolation, gl_sortErr10RequiresViolation, gl_sortErr8RequiresViolation, gl_sortErr3RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, list_emptyErr0RequiresViolation, list_emptyErr1RequiresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, mainErr0EnsuresViolation, gl_insertErr0RequiresViolation, gl_insertErr1RequiresViolation, gl_seek_maxErr0RequiresViolation, gl_seek_maxErr2RequiresViolation, gl_seek_maxErr1RequiresViolation, gl_seek_maxErr5RequiresViolation, gl_seek_maxErr3RequiresViolation, gl_seek_maxErr4RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-02 10:38:16,059 INFO L82 PathProgramCache]: Analyzing trace with hash 8574872, now seen corresponding path program 1 times [2018-02-02 10:38:16,097 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:38:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:38:16,129 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:38:16,168 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 10:38:16,170 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:38:16,170 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 10:38:16,171 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:38:16,171 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 10:38:16,172 INFO L182 omatonBuilderFactory]: Interpolants [192#false, 193#(= 1 (select |#valid| |~#gl_list.base|)), 191#true] [2018-02-02 10:38:16,172 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 10:38:16,172 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 10:38:16,180 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 10:38:16,181 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:38:16,182 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 3 states. [2018-02-02 10:38:16,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:38:16,387 INFO L93 Difference]: Finished difference Result 189 states and 199 transitions. [2018-02-02 10:38:16,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 10:38:16,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-02-02 10:38:16,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:38:16,397 INFO L225 Difference]: With dead ends: 189 [2018-02-02 10:38:16,397 INFO L226 Difference]: Without dead ends: 186 [2018-02-02 10:38:16,398 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 10:38:16,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-02-02 10:38:16,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 185. [2018-02-02 10:38:16,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-02 10:38:16,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 196 transitions. [2018-02-02 10:38:16,433 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 196 transitions. Word has length 4 [2018-02-02 10:38:16,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:38:16,434 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 196 transitions. [2018-02-02 10:38:16,434 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 10:38:16,434 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 196 transitions. [2018-02-02 10:38:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-02 10:38:16,434 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:38:16,434 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-02 10:38:16,434 INFO L371 AbstractCegarLoop]: === Iteration 2 === [__list_addErr1RequiresViolation, __list_addErr3RequiresViolation, __list_addErr0RequiresViolation, __list_addErr2RequiresViolation, __list_addErr4RequiresViolation, __list_addErr7RequiresViolation, __list_addErr5RequiresViolation, __list_addErr6RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, gl_sortErr16RequiresViolation, gl_sortErr4RequiresViolation, gl_sortErr12RequiresViolation, gl_sortErr5RequiresViolation, gl_sortErr0RequiresViolation, gl_sortErr11RequiresViolation, gl_sortErr9RequiresViolation, gl_sortErr2RequiresViolation, gl_sortErr18RequiresViolation, gl_sortErr7RequiresViolation, gl_sortErr13RequiresViolation, gl_sortErr14RequiresViolation, gl_sortErr19RequiresViolation, gl_sortErr6RequiresViolation, gl_sortErr1RequiresViolation, gl_sortErr17RequiresViolation, gl_sortErr15RequiresViolation, gl_sortErr10RequiresViolation, gl_sortErr8RequiresViolation, gl_sortErr3RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, list_emptyErr0RequiresViolation, list_emptyErr1RequiresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, mainErr0EnsuresViolation, gl_insertErr0RequiresViolation, gl_insertErr1RequiresViolation, gl_seek_maxErr0RequiresViolation, gl_seek_maxErr2RequiresViolation, gl_seek_maxErr1RequiresViolation, gl_seek_maxErr5RequiresViolation, gl_seek_maxErr3RequiresViolation, gl_seek_maxErr4RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-02 10:38:16,435 INFO L82 PathProgramCache]: Analyzing trace with hash 8574873, now seen corresponding path program 1 times [2018-02-02 10:38:16,435 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:38:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:38:16,445 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:38:16,485 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 10:38:16,485 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:38:16,486 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 10:38:16,486 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:38:16,486 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 10:38:16,486 INFO L182 omatonBuilderFactory]: Interpolants [568#true, 569#false, 570#(and (= (select |#length| |~#gl_list.base|) 8) (= |~#gl_list.offset| 0))] [2018-02-02 10:38:16,487 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 10:38:16,488 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 10:38:16,488 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 10:38:16,489 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:38:16,489 INFO L87 Difference]: Start difference. First operand 185 states and 196 transitions. Second operand 3 states. [2018-02-02 10:38:16,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:38:16,568 INFO L93 Difference]: Finished difference Result 187 states and 199 transitions. [2018-02-02 10:38:16,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 10:38:16,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-02-02 10:38:16,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:38:16,570 INFO L225 Difference]: With dead ends: 187 [2018-02-02 10:38:16,570 INFO L226 Difference]: Without dead ends: 187 [2018-02-02 10:38:16,571 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 10:38:16,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-02-02 10:38:16,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 183. [2018-02-02 10:38:16,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-02-02 10:38:16,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 194 transitions. [2018-02-02 10:38:16,583 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 194 transitions. Word has length 4 [2018-02-02 10:38:16,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:38:16,583 INFO L432 AbstractCegarLoop]: Abstraction has 183 states and 194 transitions. [2018-02-02 10:38:16,583 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 10:38:16,584 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 194 transitions. [2018-02-02 10:38:16,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-02 10:38:16,584 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:38:16,584 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:38:16,584 INFO L371 AbstractCegarLoop]: === Iteration 3 === [__list_addErr1RequiresViolation, __list_addErr3RequiresViolation, __list_addErr0RequiresViolation, __list_addErr2RequiresViolation, __list_addErr4RequiresViolation, __list_addErr7RequiresViolation, __list_addErr5RequiresViolation, __list_addErr6RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, gl_sortErr16RequiresViolation, gl_sortErr4RequiresViolation, gl_sortErr12RequiresViolation, gl_sortErr5RequiresViolation, gl_sortErr0RequiresViolation, gl_sortErr11RequiresViolation, gl_sortErr9RequiresViolation, gl_sortErr2RequiresViolation, gl_sortErr18RequiresViolation, gl_sortErr7RequiresViolation, gl_sortErr13RequiresViolation, gl_sortErr14RequiresViolation, gl_sortErr19RequiresViolation, gl_sortErr6RequiresViolation, gl_sortErr1RequiresViolation, gl_sortErr17RequiresViolation, gl_sortErr15RequiresViolation, gl_sortErr10RequiresViolation, gl_sortErr8RequiresViolation, gl_sortErr3RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, list_emptyErr0RequiresViolation, list_emptyErr1RequiresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, mainErr0EnsuresViolation, gl_insertErr0RequiresViolation, gl_insertErr1RequiresViolation, gl_seek_maxErr0RequiresViolation, gl_seek_maxErr2RequiresViolation, gl_seek_maxErr1RequiresViolation, gl_seek_maxErr5RequiresViolation, gl_seek_maxErr3RequiresViolation, gl_seek_maxErr4RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-02 10:38:16,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1609065266, now seen corresponding path program 1 times [2018-02-02 10:38:16,586 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:38:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:38:16,606 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:38:16,649 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 10:38:16,650 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:38:16,650 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:38:16,650 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:38:16,650 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 10:38:16,650 INFO L182 omatonBuilderFactory]: Interpolants [944#(= 1 (select |#valid| gl_insert_~node~0.base)), 941#true, 942#false, 943#(= 1 (select |#valid| |gl_insert_#t~malloc10.base|))] [2018-02-02 10:38:16,650 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 10:38:16,651 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:38:16,651 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:38:16,651 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:38:16,651 INFO L87 Difference]: Start difference. First operand 183 states and 194 transitions. Second operand 4 states. [2018-02-02 10:38:16,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:38:16,790 INFO L93 Difference]: Finished difference Result 182 states and 193 transitions. [2018-02-02 10:38:16,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 10:38:16,791 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-02-02 10:38:16,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:38:16,792 INFO L225 Difference]: With dead ends: 182 [2018-02-02 10:38:16,792 INFO L226 Difference]: Without dead ends: 182 [2018-02-02 10:38:16,792 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 10:38:16,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-02-02 10:38:16,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2018-02-02 10:38:16,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-02-02 10:38:16,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 193 transitions. [2018-02-02 10:38:16,799 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 193 transitions. Word has length 16 [2018-02-02 10:38:16,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:38:16,799 INFO L432 AbstractCegarLoop]: Abstraction has 182 states and 193 transitions. [2018-02-02 10:38:16,799 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:38:16,799 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 193 transitions. [2018-02-02 10:38:16,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-02 10:38:16,799 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:38:16,799 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:38:16,799 INFO L371 AbstractCegarLoop]: === Iteration 4 === [__list_addErr1RequiresViolation, __list_addErr3RequiresViolation, __list_addErr0RequiresViolation, __list_addErr2RequiresViolation, __list_addErr4RequiresViolation, __list_addErr7RequiresViolation, __list_addErr5RequiresViolation, __list_addErr6RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, gl_sortErr16RequiresViolation, gl_sortErr4RequiresViolation, gl_sortErr12RequiresViolation, gl_sortErr5RequiresViolation, gl_sortErr0RequiresViolation, gl_sortErr11RequiresViolation, gl_sortErr9RequiresViolation, gl_sortErr2RequiresViolation, gl_sortErr18RequiresViolation, gl_sortErr7RequiresViolation, gl_sortErr13RequiresViolation, gl_sortErr14RequiresViolation, gl_sortErr19RequiresViolation, gl_sortErr6RequiresViolation, gl_sortErr1RequiresViolation, gl_sortErr17RequiresViolation, gl_sortErr15RequiresViolation, gl_sortErr10RequiresViolation, gl_sortErr8RequiresViolation, gl_sortErr3RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, list_emptyErr0RequiresViolation, list_emptyErr1RequiresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, mainErr0EnsuresViolation, gl_insertErr0RequiresViolation, gl_insertErr1RequiresViolation, gl_seek_maxErr0RequiresViolation, gl_seek_maxErr2RequiresViolation, gl_seek_maxErr1RequiresViolation, gl_seek_maxErr5RequiresViolation, gl_seek_maxErr3RequiresViolation, gl_seek_maxErr4RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-02 10:38:16,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1609065267, now seen corresponding path program 1 times [2018-02-02 10:38:16,800 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:38:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:38:16,816 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:38:16,866 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 10:38:16,866 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:38:16,867 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:38:16,867 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:38:16,867 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 10:38:16,867 INFO L182 omatonBuilderFactory]: Interpolants [1312#false, 1313#(and (= 0 |gl_insert_#t~malloc10.offset|) (= 12 (select |#length| |gl_insert_#t~malloc10.base|))), 1314#(and (= (select |#length| gl_insert_~node~0.base) 12) (= 0 gl_insert_~node~0.offset)), 1311#true] [2018-02-02 10:38:16,868 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 10:38:16,868 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:38:16,868 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:38:16,868 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:38:16,868 INFO L87 Difference]: Start difference. First operand 182 states and 193 transitions. Second operand 4 states. [2018-02-02 10:38:16,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:38:16,980 INFO L93 Difference]: Finished difference Result 181 states and 192 transitions. [2018-02-02 10:38:16,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 10:38:16,980 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-02-02 10:38:16,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:38:16,981 INFO L225 Difference]: With dead ends: 181 [2018-02-02 10:38:16,981 INFO L226 Difference]: Without dead ends: 181 [2018-02-02 10:38:16,981 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 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 10:38:16,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-02-02 10:38:16,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-02-02 10:38:16,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-02-02 10:38:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 192 transitions. [2018-02-02 10:38:16,986 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 192 transitions. Word has length 16 [2018-02-02 10:38:16,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:38:16,986 INFO L432 AbstractCegarLoop]: Abstraction has 181 states and 192 transitions. [2018-02-02 10:38:16,986 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:38:16,986 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 192 transitions. [2018-02-02 10:38:16,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-02 10:38:16,987 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:38:16,987 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:38:16,987 INFO L371 AbstractCegarLoop]: === Iteration 5 === [__list_addErr1RequiresViolation, __list_addErr3RequiresViolation, __list_addErr0RequiresViolation, __list_addErr2RequiresViolation, __list_addErr4RequiresViolation, __list_addErr7RequiresViolation, __list_addErr5RequiresViolation, __list_addErr6RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, gl_sortErr16RequiresViolation, gl_sortErr4RequiresViolation, gl_sortErr12RequiresViolation, gl_sortErr5RequiresViolation, gl_sortErr0RequiresViolation, gl_sortErr11RequiresViolation, gl_sortErr9RequiresViolation, gl_sortErr2RequiresViolation, gl_sortErr18RequiresViolation, gl_sortErr7RequiresViolation, gl_sortErr13RequiresViolation, gl_sortErr14RequiresViolation, gl_sortErr19RequiresViolation, gl_sortErr6RequiresViolation, gl_sortErr1RequiresViolation, gl_sortErr17RequiresViolation, gl_sortErr15RequiresViolation, gl_sortErr10RequiresViolation, gl_sortErr8RequiresViolation, gl_sortErr3RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, list_emptyErr0RequiresViolation, list_emptyErr1RequiresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, mainErr0EnsuresViolation, gl_insertErr0RequiresViolation, gl_insertErr1RequiresViolation, gl_seek_maxErr0RequiresViolation, gl_seek_maxErr2RequiresViolation, gl_seek_maxErr1RequiresViolation, gl_seek_maxErr5RequiresViolation, gl_seek_maxErr3RequiresViolation, gl_seek_maxErr4RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-02 10:38:16,987 INFO L82 PathProgramCache]: Analyzing trace with hash -466429743, now seen corresponding path program 1 times [2018-02-02 10:38:16,988 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:38:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:38:17,005 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:38:17,011 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 10:38:17,014 INFO L168 Benchmark]: Toolchain (without parser) took 1648.40 ms. Allocated memory was 405.8 MB in the beginning and 622.9 MB in the end (delta: 217.1 MB). Free memory was 362.7 MB in the beginning and 483.6 MB in the end (delta: -120.9 MB). Peak memory consumption was 96.1 MB. Max. memory is 5.3 GB. [2018-02-02 10:38:17,015 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 405.8 MB. Free memory is still 369.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:38:17,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.85 ms. Allocated memory is still 405.8 MB. Free memory was 362.7 MB in the beginning and 350.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. [2018-02-02 10:38:17,015 INFO L168 Benchmark]: Boogie Preprocessor took 29.08 ms. Allocated memory is still 405.8 MB. Free memory was 350.6 MB in the beginning and 349.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-02 10:38:17,015 INFO L168 Benchmark]: RCFGBuilder took 404.83 ms. Allocated memory is still 405.8 MB. Free memory was 349.3 MB in the beginning and 303.4 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 5.3 GB. [2018-02-02 10:38:17,015 INFO L168 Benchmark]: TraceAbstraction took 1032.13 ms. Allocated memory was 405.8 MB in the beginning and 622.9 MB in the end (delta: 217.1 MB). Free memory was 302.0 MB in the beginning and 483.6 MB in the end (delta: -181.6 MB). Peak memory consumption was 35.5 MB. Max. memory is 5.3 GB. [2018-02-02 10:38:17,016 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 405.8 MB. Free memory is still 369.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 178.85 ms. Allocated memory is still 405.8 MB. Free memory was 362.7 MB in the beginning and 350.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.08 ms. Allocated memory is still 405.8 MB. Free memory was 350.6 MB in the beginning and 349.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 404.83 ms. Allocated memory is still 405.8 MB. Free memory was 349.3 MB in the beginning and 303.4 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1032.13 ms. Allocated memory was 405.8 MB in the beginning and 622.9 MB in the end (delta: 217.1 MB). Free memory was 302.0 MB in the beginning and 483.6 MB in the end (delta: -181.6 MB). Peak memory consumption was 35.5 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/test-0137_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-38-17-022.csv Received shutdown request...