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/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-a74eeac-m [2018-02-02 21:10:14,306 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 21:10:14,307 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 21:10:14,318 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 21:10:14,319 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 21:10:14,319 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 21:10:14,320 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 21:10:14,321 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 21:10:14,323 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 21:10:14,324 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 21:10:14,325 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 21:10:14,325 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 21:10:14,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 21:10:14,327 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 21:10:14,328 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 21:10:14,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 21:10:14,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 21:10:14,332 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 21:10:14,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 21:10:14,334 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 21:10:14,336 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 21:10:14,336 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 21:10:14,336 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 21:10:14,337 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 21:10:14,338 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 21:10:14,339 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 21:10:14,339 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 21:10:14,339 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 21:10:14,340 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 21:10:14,340 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 21:10:14,340 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 21:10:14,340 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 [2018-02-02 21:10:14,350 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 21:10:14,350 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 21:10:14,351 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 21:10:14,351 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 21:10:14,351 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 21:10:14,352 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 21:10:14,352 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 21:10:14,352 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 21:10:14,352 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 21:10:14,352 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 21:10:14,352 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 21:10:14,352 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 21:10:14,353 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 21:10:14,353 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 21:10:14,353 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 21:10:14,353 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 21:10:14,353 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 21:10:14,353 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 21:10:14,353 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 21:10:14,354 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 21:10:14,354 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 21:10:14,354 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 21:10:14,354 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-02 21:10:14,354 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-02 21:10:14,354 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-02 21:10:14,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 21:10:14,392 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 21:10:14,396 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 21:10:14,397 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 21:10:14,397 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 21:10:14,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-02-02 21:10:14,553 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 21:10:14,554 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 21:10:14,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 21:10:14,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 21:10:14,559 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 21:10:14,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:10:14" (1/1) ... [2018-02-02 21:10:14,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509cfa3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:14, skipping insertion in model container [2018-02-02 21:10:14,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:10:14" (1/1) ... [2018-02-02 21:10:14,572 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:10:14,607 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:10:14,701 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:10:14,726 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:10:14,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:14 WrapperNode [2018-02-02 21:10:14,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 21:10:14,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 21:10:14,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 21:10:14,736 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 21:10:14,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:14" (1/1) ... [2018-02-02 21:10:14,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:14" (1/1) ... [2018-02-02 21:10:14,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:14" (1/1) ... [2018-02-02 21:10:14,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:14" (1/1) ... [2018-02-02 21:10:14,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:14" (1/1) ... [2018-02-02 21:10:14,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:14" (1/1) ... [2018-02-02 21:10:14,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:14" (1/1) ... [2018-02-02 21:10:14,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 21:10:14,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 21:10:14,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 21:10:14,770 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 21:10:14,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:14" (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 21:10:14,812 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 21:10:14,813 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 21:10:14,813 INFO L136 BoogieDeclarations]: Found implementation of procedure fail [2018-02-02 21:10:14,813 INFO L136 BoogieDeclarations]: Found implementation of procedure inspect [2018-02-02 21:10:14,813 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_add [2018-02-02 21:10:14,813 INFO L136 BoogieDeclarations]: Found implementation of procedure __list_del [2018-02-02 21:10:14,813 INFO L136 BoogieDeclarations]: Found implementation of procedure list_add [2018-02-02 21:10:14,813 INFO L136 BoogieDeclarations]: Found implementation of procedure list_move [2018-02-02 21:10:14,813 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-02-02 21:10:14,813 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_read [2018-02-02 21:10:14,813 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-02-02 21:10:14,814 INFO L136 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-02-02 21:10:14,814 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2018-02-02 21:10:14,814 INFO L136 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-02-02 21:10:14,814 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 21:10:14,814 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 21:10:14,814 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 21:10:14,814 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 21:10:14,814 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 21:10:14,814 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 21:10:14,814 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 21:10:14,814 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 21:10:14,814 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-02 21:10:14,814 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 21:10:14,815 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-02-02 21:10:14,815 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 21:10:14,815 INFO L128 BoogieDeclarations]: Found specification of procedure fail [2018-02-02 21:10:14,815 INFO L128 BoogieDeclarations]: Found specification of procedure inspect [2018-02-02 21:10:14,815 INFO L128 BoogieDeclarations]: Found specification of procedure __list_add [2018-02-02 21:10:14,815 INFO L128 BoogieDeclarations]: Found specification of procedure __list_del [2018-02-02 21:10:14,815 INFO L128 BoogieDeclarations]: Found specification of procedure list_add [2018-02-02 21:10:14,815 INFO L128 BoogieDeclarations]: Found specification of procedure list_move [2018-02-02 21:10:14,815 INFO L128 BoogieDeclarations]: Found specification of procedure gl_insert [2018-02-02 21:10:14,815 INFO L128 BoogieDeclarations]: Found specification of procedure gl_read [2018-02-02 21:10:14,816 INFO L128 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-02-02 21:10:14,816 INFO L128 BoogieDeclarations]: Found specification of procedure val_from_node [2018-02-02 21:10:14,816 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2018-02-02 21:10:14,816 INFO L128 BoogieDeclarations]: Found specification of procedure gl_sort [2018-02-02 21:10:14,816 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 21:10:14,816 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 21:10:14,816 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 21:10:15,293 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 21:10:15,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:10:15 BoogieIcfgContainer [2018-02-02 21:10:15,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 21:10:15,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 21:10:15,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 21:10:15,298 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 21:10:15,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:10:14" (1/3) ... [2018-02-02 21:10:15,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7ba1a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:10:15, skipping insertion in model container [2018-02-02 21:10:15,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:14" (2/3) ... [2018-02-02 21:10:15,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7ba1a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:10:15, skipping insertion in model container [2018-02-02 21:10:15,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:10:15" (3/3) ... [2018-02-02 21:10:15,300 INFO L107 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-02-02 21:10:15,305 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-02 21:10:15,310 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 73 error locations. [2018-02-02 21:10:15,333 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 21:10:15,333 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 21:10:15,333 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-02 21:10:15,333 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-02 21:10:15,333 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 21:10:15,333 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 21:10:15,333 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 21:10:15,333 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 21:10:15,334 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 21:10:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states. [2018-02-02 21:10:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-02 21:10:15,356 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:10:15,357 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-02 21:10:15,357 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, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, gl_sort_passErr1RequiresViolation, gl_sort_passErr3RequiresViolation, gl_sort_passErr0RequiresViolation, gl_sort_passErr2RequiresViolation, inspectErr7RequiresViolation, inspectErr20RequiresViolation, inspectErr15RequiresViolation, inspectErr25RequiresViolation, inspectErr28RequiresViolation, inspectErr2RequiresViolation, inspectErr18RequiresViolation, inspectErr9RequiresViolation, inspectErr0RequiresViolation, inspectErr12RequiresViolation, inspectErr6RequiresViolation, inspectErr3RequiresViolation, inspectErr19RequiresViolation, inspectErr22RequiresViolation, inspectErr11RequiresViolation, inspectErr29RequiresViolation, inspectErr16RequiresViolation, inspectErr24RequiresViolation, inspectErr26RequiresViolation, inspectErr21RequiresViolation, inspectErr13RequiresViolation, inspectErr27RequiresViolation, inspectErr17RequiresViolation, inspectErr23RequiresViolation, inspectErr4RequiresViolation, inspectErr5RequiresViolation, inspectErr8RequiresViolation, inspectErr10RequiresViolation, inspectErr14RequiresViolation, inspectErr1RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, mainErr0EnsuresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, gl_insertErr5RequiresViolation, gl_insertErr3RequiresViolation, gl_insertErr4RequiresViolation, gl_insertErr0RequiresViolation, gl_insertErr2RequiresViolation, gl_insertErr1RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-02 21:10:15,360 INFO L82 PathProgramCache]: Analyzing trace with hash 19743518, now seen corresponding path program 1 times [2018-02-02 21:10:15,361 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:10:15,362 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:10:15,391 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:15,392 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:10:15,392 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:10:15,421 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:10:15,451 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 21:10:15,453 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:10:15,453 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 21:10:15,535 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 21:10:15,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 21:10:15,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 21:10:15,545 INFO L87 Difference]: Start difference. First operand 268 states. Second operand 3 states. [2018-02-02 21:10:15,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:10:15,700 INFO L93 Difference]: Finished difference Result 263 states and 285 transitions. [2018-02-02 21:10:15,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 21:10:15,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-02-02 21:10:15,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:10:15,711 INFO L225 Difference]: With dead ends: 263 [2018-02-02 21:10:15,711 INFO L226 Difference]: Without dead ends: 244 [2018-02-02 21:10:15,712 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 21:10:15,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-02-02 21:10:15,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 243. [2018-02-02 21:10:15,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-02-02 21:10:15,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 252 transitions. [2018-02-02 21:10:15,748 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 252 transitions. Word has length 4 [2018-02-02 21:10:15,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:10:15,748 INFO L432 AbstractCegarLoop]: Abstraction has 243 states and 252 transitions. [2018-02-02 21:10:15,748 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 21:10:15,748 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 252 transitions. [2018-02-02 21:10:15,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-02 21:10:15,749 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:10:15,749 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-02 21:10:15,749 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, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, gl_sort_passErr1RequiresViolation, gl_sort_passErr3RequiresViolation, gl_sort_passErr0RequiresViolation, gl_sort_passErr2RequiresViolation, inspectErr7RequiresViolation, inspectErr20RequiresViolation, inspectErr15RequiresViolation, inspectErr25RequiresViolation, inspectErr28RequiresViolation, inspectErr2RequiresViolation, inspectErr18RequiresViolation, inspectErr9RequiresViolation, inspectErr0RequiresViolation, inspectErr12RequiresViolation, inspectErr6RequiresViolation, inspectErr3RequiresViolation, inspectErr19RequiresViolation, inspectErr22RequiresViolation, inspectErr11RequiresViolation, inspectErr29RequiresViolation, inspectErr16RequiresViolation, inspectErr24RequiresViolation, inspectErr26RequiresViolation, inspectErr21RequiresViolation, inspectErr13RequiresViolation, inspectErr27RequiresViolation, inspectErr17RequiresViolation, inspectErr23RequiresViolation, inspectErr4RequiresViolation, inspectErr5RequiresViolation, inspectErr8RequiresViolation, inspectErr10RequiresViolation, inspectErr14RequiresViolation, inspectErr1RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, mainErr0EnsuresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, gl_insertErr5RequiresViolation, gl_insertErr3RequiresViolation, gl_insertErr4RequiresViolation, gl_insertErr0RequiresViolation, gl_insertErr2RequiresViolation, gl_insertErr1RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-02 21:10:15,749 INFO L82 PathProgramCache]: Analyzing trace with hash 19743519, now seen corresponding path program 1 times [2018-02-02 21:10:15,749 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:10:15,749 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:10:15,750 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:15,751 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:10:15,751 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:10:15,767 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:10:15,812 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 21:10:15,812 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:10:15,813 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 21:10:15,813 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 21:10:15,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 21:10:15,814 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 21:10:15,814 INFO L87 Difference]: Start difference. First operand 243 states and 252 transitions. Second operand 3 states. [2018-02-02 21:10:15,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:10:15,940 INFO L93 Difference]: Finished difference Result 245 states and 255 transitions. [2018-02-02 21:10:15,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 21:10:15,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-02-02 21:10:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:10:15,944 INFO L225 Difference]: With dead ends: 245 [2018-02-02 21:10:15,944 INFO L226 Difference]: Without dead ends: 245 [2018-02-02 21:10:15,945 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 21:10:15,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-02-02 21:10:15,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 241. [2018-02-02 21:10:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-02-02 21:10:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 250 transitions. [2018-02-02 21:10:15,958 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 250 transitions. Word has length 4 [2018-02-02 21:10:15,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:10:15,958 INFO L432 AbstractCegarLoop]: Abstraction has 241 states and 250 transitions. [2018-02-02 21:10:15,958 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 21:10:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 250 transitions. [2018-02-02 21:10:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-02 21:10:15,959 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:10:15,959 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:10:15,959 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, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, gl_sort_passErr1RequiresViolation, gl_sort_passErr3RequiresViolation, gl_sort_passErr0RequiresViolation, gl_sort_passErr2RequiresViolation, inspectErr7RequiresViolation, inspectErr20RequiresViolation, inspectErr15RequiresViolation, inspectErr25RequiresViolation, inspectErr28RequiresViolation, inspectErr2RequiresViolation, inspectErr18RequiresViolation, inspectErr9RequiresViolation, inspectErr0RequiresViolation, inspectErr12RequiresViolation, inspectErr6RequiresViolation, inspectErr3RequiresViolation, inspectErr19RequiresViolation, inspectErr22RequiresViolation, inspectErr11RequiresViolation, inspectErr29RequiresViolation, inspectErr16RequiresViolation, inspectErr24RequiresViolation, inspectErr26RequiresViolation, inspectErr21RequiresViolation, inspectErr13RequiresViolation, inspectErr27RequiresViolation, inspectErr17RequiresViolation, inspectErr23RequiresViolation, inspectErr4RequiresViolation, inspectErr5RequiresViolation, inspectErr8RequiresViolation, inspectErr10RequiresViolation, inspectErr14RequiresViolation, inspectErr1RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, mainErr0EnsuresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, gl_insertErr5RequiresViolation, gl_insertErr3RequiresViolation, gl_insertErr4RequiresViolation, gl_insertErr0RequiresViolation, gl_insertErr2RequiresViolation, gl_insertErr1RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-02 21:10:15,959 INFO L82 PathProgramCache]: Analyzing trace with hash -935456334, now seen corresponding path program 1 times [2018-02-02 21:10:15,959 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:10:15,959 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:10:15,960 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:15,960 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:10:15,960 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:10:15,979 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:10:16,016 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 21:10:16,016 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:10:16,017 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 21:10:16,017 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 21:10:16,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 21:10:16,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 21:10:16,018 INFO L87 Difference]: Start difference. First operand 241 states and 250 transitions. Second operand 4 states. [2018-02-02 21:10:16,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:10:16,154 INFO L93 Difference]: Finished difference Result 238 states and 247 transitions. [2018-02-02 21:10:16,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 21:10:16,154 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-02-02 21:10:16,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:10:16,156 INFO L225 Difference]: With dead ends: 238 [2018-02-02 21:10:16,156 INFO L226 Difference]: Without dead ends: 238 [2018-02-02 21:10:16,156 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 21:10:16,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-02-02 21:10:16,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2018-02-02 21:10:16,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-02-02 21:10:16,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 247 transitions. [2018-02-02 21:10:16,166 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 247 transitions. Word has length 16 [2018-02-02 21:10:16,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:10:16,166 INFO L432 AbstractCegarLoop]: Abstraction has 238 states and 247 transitions. [2018-02-02 21:10:16,166 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 21:10:16,166 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 247 transitions. [2018-02-02 21:10:16,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-02 21:10:16,167 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:10:16,167 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 21:10:16,167 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, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, gl_sort_passErr1RequiresViolation, gl_sort_passErr3RequiresViolation, gl_sort_passErr0RequiresViolation, gl_sort_passErr2RequiresViolation, inspectErr7RequiresViolation, inspectErr20RequiresViolation, inspectErr15RequiresViolation, inspectErr25RequiresViolation, inspectErr28RequiresViolation, inspectErr2RequiresViolation, inspectErr18RequiresViolation, inspectErr9RequiresViolation, inspectErr0RequiresViolation, inspectErr12RequiresViolation, inspectErr6RequiresViolation, inspectErr3RequiresViolation, inspectErr19RequiresViolation, inspectErr22RequiresViolation, inspectErr11RequiresViolation, inspectErr29RequiresViolation, inspectErr16RequiresViolation, inspectErr24RequiresViolation, inspectErr26RequiresViolation, inspectErr21RequiresViolation, inspectErr13RequiresViolation, inspectErr27RequiresViolation, inspectErr17RequiresViolation, inspectErr23RequiresViolation, inspectErr4RequiresViolation, inspectErr5RequiresViolation, inspectErr8RequiresViolation, inspectErr10RequiresViolation, inspectErr14RequiresViolation, inspectErr1RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, mainErr0EnsuresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, gl_insertErr5RequiresViolation, gl_insertErr3RequiresViolation, gl_insertErr4RequiresViolation, gl_insertErr0RequiresViolation, gl_insertErr2RequiresViolation, gl_insertErr1RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-02 21:10:16,167 INFO L82 PathProgramCache]: Analyzing trace with hash -935456333, now seen corresponding path program 1 times [2018-02-02 21:10:16,167 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:10:16,167 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:10:16,168 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:16,168 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:10:16,168 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:10:16,182 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:10:16,258 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 21:10:16,259 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:10:16,259 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 21:10:16,259 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 21:10:16,259 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 21:10:16,259 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 21:10:16,259 INFO L87 Difference]: Start difference. First operand 238 states and 247 transitions. Second operand 4 states. [2018-02-02 21:10:16,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:10:16,381 INFO L93 Difference]: Finished difference Result 235 states and 244 transitions. [2018-02-02 21:10:16,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 21:10:16,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-02-02 21:10:16,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:10:16,383 INFO L225 Difference]: With dead ends: 235 [2018-02-02 21:10:16,383 INFO L226 Difference]: Without dead ends: 235 [2018-02-02 21:10:16,383 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 21:10:16,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-02-02 21:10:16,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-02-02 21:10:16,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-02-02 21:10:16,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 244 transitions. [2018-02-02 21:10:16,388 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 244 transitions. Word has length 16 [2018-02-02 21:10:16,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:10:16,388 INFO L432 AbstractCegarLoop]: Abstraction has 235 states and 244 transitions. [2018-02-02 21:10:16,388 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 21:10:16,388 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 244 transitions. [2018-02-02 21:10:16,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-02 21:10:16,388 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:10:16,388 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 21:10:16,388 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, list_moveErr0RequiresViolation, list_moveErr3RequiresViolation, list_moveErr2RequiresViolation, list_moveErr1RequiresViolation, val_from_nodeErr0RequiresViolation, val_from_nodeErr1RequiresViolation, gl_sort_passErr1RequiresViolation, gl_sort_passErr3RequiresViolation, gl_sort_passErr0RequiresViolation, gl_sort_passErr2RequiresViolation, inspectErr7RequiresViolation, inspectErr20RequiresViolation, inspectErr15RequiresViolation, inspectErr25RequiresViolation, inspectErr28RequiresViolation, inspectErr2RequiresViolation, inspectErr18RequiresViolation, inspectErr9RequiresViolation, inspectErr0RequiresViolation, inspectErr12RequiresViolation, inspectErr6RequiresViolation, inspectErr3RequiresViolation, inspectErr19RequiresViolation, inspectErr22RequiresViolation, inspectErr11RequiresViolation, inspectErr29RequiresViolation, inspectErr16RequiresViolation, inspectErr24RequiresViolation, inspectErr26RequiresViolation, inspectErr21RequiresViolation, inspectErr13RequiresViolation, inspectErr27RequiresViolation, inspectErr17RequiresViolation, inspectErr23RequiresViolation, inspectErr4RequiresViolation, inspectErr5RequiresViolation, inspectErr8RequiresViolation, inspectErr10RequiresViolation, inspectErr14RequiresViolation, inspectErr1RequiresViolation, list_addErr1RequiresViolation, list_addErr0RequiresViolation, mainErr0EnsuresViolation, __list_delErr0RequiresViolation, __list_delErr2RequiresViolation, __list_delErr3RequiresViolation, __list_delErr1RequiresViolation, gl_insertErr5RequiresViolation, gl_insertErr3RequiresViolation, gl_insertErr4RequiresViolation, gl_insertErr0RequiresViolation, gl_insertErr2RequiresViolation, gl_insertErr1RequiresViolation, gl_destroyErr4RequiresViolation, gl_destroyErr2RequiresViolation, gl_destroyErr0RequiresViolation, gl_destroyErr1RequiresViolation, gl_destroyErr6RequiresViolation, gl_destroyErr7RequiresViolation, gl_destroyErr3RequiresViolation, gl_destroyErr5RequiresViolation]=== [2018-02-02 21:10:16,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1863730920, now seen corresponding path program 1 times [2018-02-02 21:10:16,389 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:10:16,389 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:10:16,389 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:16,389 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:10:16,389 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:10:16,402 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:10:16,407 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) [2018-02-02 21:10:16,410 INFO L168 Benchmark]: Toolchain (without parser) took 1856.70 ms. Allocated memory was 395.3 MB in the beginning and 604.5 MB in the end (delta: 209.2 MB). Free memory was 351.8 MB in the beginning and 452.6 MB in the end (delta: -100.8 MB). Peak memory consumption was 108.4 MB. Max. memory is 5.3 GB. [2018-02-02 21:10:16,412 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 395.3 MB. Free memory is still 358.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 21:10:16,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.06 ms. Allocated memory is still 395.3 MB. Free memory was 351.8 MB in the beginning and 338.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 5.3 GB. [2018-02-02 21:10:16,412 INFO L168 Benchmark]: Boogie Preprocessor took 33.86 ms. Allocated memory is still 395.3 MB. Free memory was 338.4 MB in the beginning and 335.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 21:10:16,412 INFO L168 Benchmark]: RCFGBuilder took 523.68 ms. Allocated memory is still 395.3 MB. Free memory was 335.7 MB in the beginning and 274.7 MB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 5.3 GB. [2018-02-02 21:10:16,413 INFO L168 Benchmark]: TraceAbstraction took 1115.23 ms. Allocated memory was 395.3 MB in the beginning and 604.5 MB in the end (delta: 209.2 MB). Free memory was 273.4 MB in the beginning and 452.6 MB in the end (delta: -179.2 MB). Peak memory consumption was 30.0 MB. Max. memory is 5.3 GB. [2018-02-02 21:10:16,415 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 395.3 MB. Free memory is still 358.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 181.06 ms. Allocated memory is still 395.3 MB. Free memory was 351.8 MB in the beginning and 338.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 33.86 ms. Allocated memory is still 395.3 MB. Free memory was 338.4 MB in the beginning and 335.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 523.68 ms. Allocated memory is still 395.3 MB. Free memory was 335.7 MB in the beginning and 274.7 MB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1115.23 ms. Allocated memory was 395.3 MB in the beginning and 604.5 MB in the end (delta: 209.2 MB). Free memory was 273.4 MB in the beginning and 452.6 MB in the end (delta: -179.2 MB). Peak memory consumption was 30.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Unknown lemma type! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unknown lemma type!: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_21-10-16-420.csv Received shutdown request...