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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/diff_usafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d4a2356 [2018-03-23 12:05:08,526 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-23 12:05:08,529 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-23 12:05:08,545 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-23 12:05:08,546 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-23 12:05:08,547 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-23 12:05:08,548 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-23 12:05:08,549 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-23 12:05:08,551 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-23 12:05:08,552 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-23 12:05:08,553 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-23 12:05:08,554 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-23 12:05:08,555 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-23 12:05:08,556 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-23 12:05:08,557 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-23 12:05:08,559 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-23 12:05:08,561 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-23 12:05:08,563 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-23 12:05:08,565 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-23 12:05:08,566 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-23 12:05:08,568 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-23 12:05:08,568 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-23 12:05:08,569 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-23 12:05:08,570 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-23 12:05:08,571 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-23 12:05:08,572 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-23 12:05:08,572 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-23 12:05:08,573 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-23 12:05:08,574 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-23 12:05:08,574 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-23 12:05:08,574 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-23 12:05:08,575 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-03-23 12:05:08,584 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-23 12:05:08,584 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-23 12:05:08,585 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-23 12:05:08,585 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-23 12:05:08,585 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-23 12:05:08,586 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-23 12:05:08,586 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-23 12:05:08,586 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-23 12:05:08,586 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-23 12:05:08,586 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-23 12:05:08,586 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-23 12:05:08,587 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-23 12:05:08,587 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-23 12:05:08,587 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-23 12:05:08,587 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-03-23 12:05:08,587 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-23 12:05:08,587 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-23 12:05:08,587 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-23 12:05:08,588 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-23 12:05:08,588 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-23 12:05:08,588 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-03-23 12:05:08,588 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-23 12:05:08,588 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-23 12:05:08,588 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-23 12:05:08,589 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-23 12:05:08,589 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-23 12:05:08,589 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-23 12:05:08,589 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-23 12:05:08,589 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-03-23 12:05:08,589 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-23 12:05:08,589 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-23 12:05:08,590 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-23 12:05:08,590 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-23 12:05:08,590 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-23 12:05:08,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-23 12:05:08,632 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-23 12:05:08,636 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-23 12:05:08,637 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-23 12:05:08,637 INFO L276 PluginConnector]: CDTParser initialized [2018-03-23 12:05:08,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/diff_usafe_false-valid-deref.i [2018-03-23 12:05:08,917 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG156dba4ee [2018-03-23 12:05:09,043 INFO L291 CDTParser]: IsIndexed: true [2018-03-23 12:05:09,043 INFO L292 CDTParser]: Found 1 translation units. [2018-03-23 12:05:09,044 INFO L171 CDTParser]: Scanning diff_usafe_false-valid-deref.i [2018-03-23 12:05:09,044 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-23 12:05:09,045 INFO L215 ultiparseSymbolTable]: [2018-03-23 12:05:09,045 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-23 12:05:09,045 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in diff_usafe_false-valid-deref.i [2018-03-23 12:05:09,045 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fdiff_usafe_false_valid_deref_i__diff ('diff') in diff_usafe_false-valid-deref.i [2018-03-23 12:05:09,045 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-23 12:05:09,045 INFO L233 ultiparseSymbolTable]: [2018-03-23 12:05:09,059 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG156dba4ee [2018-03-23 12:05:09,064 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-23 12:05:09,067 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-03-23 12:05:09,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-23 12:05:09,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-23 12:05:09,072 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-23 12:05:09,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:05:09" (1/1) ... [2018-03-23 12:05:09,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c325fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:05:09, skipping insertion in model container [2018-03-23 12:05:09,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:05:09" (1/1) ... [2018-03-23 12:05:09,089 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 12:05:09,102 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 12:05:09,222 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 12:05:09,246 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 12:05:09,249 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-03-23 12:05:09,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:05:09 WrapperNode [2018-03-23 12:05:09,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-23 12:05:09,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-23 12:05:09,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-23 12:05:09,259 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-23 12:05:09,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:05:09" (1/1) ... [2018-03-23 12:05:09,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:05:09" (1/1) ... [2018-03-23 12:05:09,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:05:09" (1/1) ... [2018-03-23 12:05:09,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:05:09" (1/1) ... [2018-03-23 12:05:09,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:05:09" (1/1) ... [2018-03-23 12:05:09,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:05:09" (1/1) ... [2018-03-23 12:05:09,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:05:09" (1/1) ... [2018-03-23 12:05:09,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-23 12:05:09,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-23 12:05:09,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-23 12:05:09,292 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-23 12:05:09,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:05:09" (1/1) ... No working directory specified, using /storage/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 [2018-03-23 12:05:09,337 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-23 12:05:09,337 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-23 12:05:09,337 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fdiff_usafe_false_valid_deref_i__diff [2018-03-23 12:05:09,337 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-23 12:05:09,337 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-23 12:05:09,337 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fdiff_usafe_false_valid_deref_i__diff [2018-03-23 12:05:09,337 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-23 12:05:09,338 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-23 12:05:09,338 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-23 12:05:09,338 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-23 12:05:09,338 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-23 12:05:09,338 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-23 12:05:09,338 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-23 12:05:09,638 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-23 12:05:09,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:05:09 BoogieIcfgContainer [2018-03-23 12:05:09,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-23 12:05:09,639 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-03-23 12:05:09,640 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-03-23 12:05:09,641 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-03-23 12:05:09,644 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:05:09" (1/1) ... [2018-03-23 12:05:09,652 INFO L112 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-03-23 12:05:09,652 INFO L113 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-03-23 12:05:09,666 INFO L255 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-03-23 12:05:09,683 INFO L271 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 2 location literals (each corresponds to one heap write) [2018-03-23 12:05:09,694 INFO L322 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-03-23 12:05:09,758 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-03-23 12:05:25,700 INFO L314 AbstractInterpreter]: Visited 77 different actions 323 times. Merged at 40 different actions 196 times. Widened at 3 different actions 4 times. Found 43 fixpoints after 16 different actions. Largest state had 46 variables. [2018-03-23 12:05:25,701 INFO L334 apSepIcfgTransformer]: finished equality analysis [2018-03-23 12:05:25,707 INFO L195 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 4 [2018-03-23 12:05:25,708 INFO L344 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-03-23 12:05:25,708 INFO L345 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-03-23 12:05:25,708 INFO L347 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_int_2| v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~B.base_2) (+ v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~B.offset_2 (* 4 v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~j~0_4))), at (SUMMARY for call #t~mem1 := read~int(~B.base, ~B.offset + ~j~0 * 4, 4); srcloc: L13')) ((select (select |v_#memory_int_3| v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.base_5) (+ (* 4 v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~i~0_6) v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.offset_4)), at (SUMMARY for call #t~mem3 := read~int(~A.base, ~A.offset + ~i~0 * 4, 4); srcloc: L20)) ((select |v_#memory_int_5| v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~D.base_2), at (SUMMARY for call write~int(#t~mem3, ~D.base, ~D.offset + ~k~0 * 4, 4); srcloc: L20')) ((select (select |v_#memory_int_1| v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.base_2) (+ v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.offset_2 (* 4 v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~i~0_4))), at (SUMMARY for call #t~mem0 := read~int(~A.base, ~A.offset + ~i~0 * 4, 4); srcloc: L13)) [2018-03-23 12:05:25,736 INFO L311 HeapPartitionManager]: partitioning result: [2018-03-23 12:05:25,736 INFO L316 HeapPartitionManager]: location blocks for array group [#memory_int] [2018-03-23 12:05:25,736 INFO L325 HeapPartitionManager]: at dimension 0 [2018-03-23 12:05:25,736 INFO L326 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-03-23 12:05:25,736 INFO L327 HeapPartitionManager]: # location blocks :1 [2018-03-23 12:05:25,737 INFO L325 HeapPartitionManager]: at dimension 1 [2018-03-23 12:05:25,737 INFO L326 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-03-23 12:05:25,737 INFO L327 HeapPartitionManager]: # location blocks :1 [2018-03-23 12:05:25,737 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-03-23 12:05:25,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.03 12:05:25 BasicIcfg [2018-03-23 12:05:25,748 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-03-23 12:05:25,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-23 12:05:25,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-23 12:05:25,751 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-23 12:05:25,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 12:05:09" (1/4) ... [2018-03-23 12:05:25,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d63203a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:05:25, skipping insertion in model container [2018-03-23 12:05:25,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:05:09" (2/4) ... [2018-03-23 12:05:25,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d63203a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:05:25, skipping insertion in model container [2018-03-23 12:05:25,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:05:09" (3/4) ... [2018-03-23 12:05:25,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d63203a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:05:25, skipping insertion in model container [2018-03-23 12:05:25,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.03 12:05:25" (4/4) ... [2018-03-23 12:05:25,754 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-03-23 12:05:25,761 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-23 12:05:25,767 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-03-23 12:05:25,800 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-23 12:05:25,800 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-23 12:05:25,800 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-23 12:05:25,800 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-23 12:05:25,800 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-23 12:05:25,801 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-23 12:05:25,801 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-23 12:05:25,801 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-23 12:05:25,801 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-23 12:05:25,801 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-23 12:05:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-03-23 12:05:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-03-23 12:05:25,816 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:05:25,817 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:05:25,817 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr5RequiresViolation, __U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr3RequiresViolation, __U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr1RequiresViolation, __U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr7RequiresViolation, __U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr2RequiresViolation, __U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr6RequiresViolation, __U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr4RequiresViolation, __U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-23 12:05:25,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1950834937, now seen corresponding path program 1 times [2018-03-23 12:05:25,821 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:05:25,822 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:05:25,859 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:05:25,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:05:25,860 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:05:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:05:25,895 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:05:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:05:25,918 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:05:25,919 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-03-23 12:05:25,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-03-23 12:05:25,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-03-23 12:05:25,928 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-03-23 12:05:25,931 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2018-03-23 12:05:25,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:05:25,950 INFO L93 Difference]: Finished difference Result 111 states and 125 transitions. [2018-03-23 12:05:25,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-03-23 12:05:25,952 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-03-23 12:05:25,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:05:25,960 INFO L225 Difference]: With dead ends: 111 [2018-03-23 12:05:25,961 INFO L226 Difference]: Without dead ends: 61 [2018-03-23 12:05:25,964 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-03-23 12:05:25,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-03-23 12:05:25,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-03-23 12:05:25,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-03-23 12:05:25,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2018-03-23 12:05:25,996 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 14 [2018-03-23 12:05:25,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:05:25,996 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2018-03-23 12:05:25,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-03-23 12:05:25,997 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2018-03-23 12:05:25,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-03-23 12:05:25,998 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:05:25,998 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:05:25,998 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr5RequiresViolation, __U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr3RequiresViolation, __U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr1RequiresViolation, __U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr7RequiresViolation, __U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr2RequiresViolation, __U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr6RequiresViolation, __U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr4RequiresViolation, __U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-23 12:05:25,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1518494272, now seen corresponding path program 1 times [2018-03-23 12:05:25,998 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:05:25,998 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:05:25,999 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:05:25,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:05:26,000 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:05:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-23 12:05:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-23 12:05:26,058 INFO L419 BasicCegarLoop]: Counterexample might be feasible [2018-03-23 12:05:26,062 INFO L84 mationBacktranslator]: Skipped ATE [309] [309] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_11|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-03-23 12:05:26,062 INFO L84 mationBacktranslator]: Skipped ATE [315] [315] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-23 12:05:26,063 INFO L84 mationBacktranslator]: Skipped ATE [321] [321] mainENTRY-->L28: Formula: true InVars {} OutVars{main_~A~0.offset=v_main_~A~0.offset_1, main_~A~0.base=v_main_~A~0.base_1} AuxVars[] AssignedVars[main_~A~0.offset, main_~A~0.base] [2018-03-23 12:05:26,063 INFO L84 mationBacktranslator]: Skipped ATE [325] [325] L28-->L28': Formula: (and (<= |v_main_#t~nondet6_1| 2147483647) (<= 0 (+ |v_main_#t~nondet6_1| 2147483648))) InVars {main_#t~nondet6=|v_main_#t~nondet6_1|} OutVars{main_#t~nondet6=|v_main_#t~nondet6_1|} AuxVars[] AssignedVars[] [2018-03-23 12:05:26,063 INFO L84 mationBacktranslator]: Skipped ATE [329] [329] L28'-->L28'': Formula: (= v_main_~Alen~0_1 |v_main_#t~nondet6_2|) InVars {main_#t~nondet6=|v_main_#t~nondet6_2|} OutVars{main_~Alen~0=v_main_~Alen~0_1, main_#t~nondet6=|v_main_#t~nondet6_2|} AuxVars[] AssignedVars[main_~Alen~0] [2018-03-23 12:05:26,063 INFO L84 mationBacktranslator]: Skipped ATE [331] [331] L28''-->L29: Formula: true InVars {} OutVars{main_#t~nondet6=|v_main_#t~nondet6_3|} AuxVars[] AssignedVars[main_#t~nondet6] [2018-03-23 12:05:26,063 INFO L84 mationBacktranslator]: Skipped ATE [333] [333] L29-->L30: Formula: true InVars {} OutVars{main_~B~0.base=v_main_~B~0.base_1, main_~B~0.offset=v_main_~B~0.offset_1} AuxVars[] AssignedVars[main_~B~0.offset, main_~B~0.base] [2018-03-23 12:05:26,064 INFO L84 mationBacktranslator]: Skipped ATE [335] [335] L30-->L30': Formula: (and (<= |v_main_#t~nondet7_1| 2147483647) (<= 0 (+ |v_main_#t~nondet7_1| 2147483648))) InVars {main_#t~nondet7=|v_main_#t~nondet7_1|} OutVars{main_#t~nondet7=|v_main_#t~nondet7_1|} AuxVars[] AssignedVars[] [2018-03-23 12:05:26,064 INFO L84 mationBacktranslator]: Skipped ATE [337] [337] L30'-->L30'': Formula: (= v_main_~Blen~0_1 |v_main_#t~nondet7_2|) InVars {main_#t~nondet7=|v_main_#t~nondet7_2|} OutVars{main_~Blen~0=v_main_~Blen~0_1, main_#t~nondet7=|v_main_#t~nondet7_2|} AuxVars[] AssignedVars[main_~Blen~0] [2018-03-23 12:05:26,064 INFO L84 mationBacktranslator]: Skipped ATE [339] [339] L30''-->L31: Formula: true InVars {} OutVars{main_#t~nondet7=|v_main_#t~nondet7_3|} AuxVars[] AssignedVars[main_#t~nondet7] [2018-03-23 12:05:26,064 INFO L84 mationBacktranslator]: Skipped ATE [341] [341] L31-->L32: Formula: true InVars {} OutVars{main_~D~0.base=v_main_~D~0.base_1, main_~D~0.offset=v_main_~D~0.offset_1} AuxVars[] AssignedVars[main_~D~0.base, main_~D~0.offset] [2018-03-23 12:05:26,064 INFO L84 mationBacktranslator]: Skipped ATE [345] [345] L32-->__U_MULTI_fdiff_usafe_false_valid_deref_i__diffENTRY: Formula: (and (= |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.offsetInParam_1| v_main_~A~0.offset_3) (= |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~AlenInParam_1| v_main_~Alen~0_3) (= |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.offsetInParam_1| v_main_~D~0.offset_3) (= |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.baseInParam_1| v_main_~B~0.base_3) (= |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.baseInParam_1| v_main_~D~0.base_3) (= |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.baseInParam_1| v_main_~A~0.base_3) (= |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.offsetInParam_1| v_main_~B~0.offset_3) (= |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~BlenInParam_1| v_main_~Blen~0_3)) InVars {main_~B~0.offset=v_main_~B~0.offset_3, main_~A~0.offset=v_main_~A~0.offset_3, main_~Blen~0=v_main_~Blen~0_3, main_~Alen~0=v_main_~Alen~0_3, main_~D~0.base=v_main_~D~0.base_3, main_~A~0.base=v_main_~A~0.base_3, main_~B~0.base=v_main_~B~0.base_3, main_~D~0.offset=v_main_~D~0.offset_3} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.base=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.baseInParam_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.offset=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.offsetInParam_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~Blen=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~BlenInParam_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.base=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.baseInParam_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.base=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.baseInParam_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.offset=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.offsetInParam_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~Alen=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~AlenInParam_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.offset=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.offsetInParam_1|} AuxVars[] AssignedVars[__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.base, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.offset, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~Blen, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.base, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.base, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.offset, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~Alen, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.offset] [2018-03-23 12:05:26,065 INFO L84 mationBacktranslator]: Skipped ATE [349] [349] __U_MULTI_fdiff_usafe_false_valid_deref_i__diffENTRY-->L2: Formula: (and (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.base_1 |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.base_1|) (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.offset_1 |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.offset_1|)) InVars {__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.offset=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.offset_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.base=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.base_1|} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.offset=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.offset_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.base=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.base_1, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.offset=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.offset_1, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.base=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~A.base_1|} AuxVars[] AssignedVars[__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.base, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.offset] [2018-03-23 12:05:26,065 INFO L84 mationBacktranslator]: Skipped ATE [355] [355] L2-->L2': Formula: (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Alen_1 |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~Alen_1|) InVars {__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~Alen=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~Alen_1|} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~Alen=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~Alen_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Alen=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Alen_1} AuxVars[] AssignedVars[__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Alen] [2018-03-23 12:05:26,065 INFO L84 mationBacktranslator]: Skipped ATE [357] [357] L2'-->L2'': Formula: (and (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~B.base_1 |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.base_1|) (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~B.offset_1 |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.offset_1|)) InVars {__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.offset=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.offset_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.base=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.base_1|} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~B.base=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~B.base_1, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.offset=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.offset_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~B.offset=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~B.offset_1, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.base=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~B.base_1|} AuxVars[] AssignedVars[__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~B.base, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~B.offset] [2018-03-23 12:05:26,065 INFO L84 mationBacktranslator]: Skipped ATE [359] [359] L2''-->L2''': Formula: (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Blen_1 |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~Blen_1|) InVars {__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~Blen=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~Blen_1|} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Blen=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Blen_1, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~Blen=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~Blen_1|} AuxVars[] AssignedVars[__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Blen] [2018-03-23 12:05:26,065 INFO L84 mationBacktranslator]: Skipped ATE [361] [361] L2'''-->L4: Formula: (and (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~D.offset_1 |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.offset_1|) (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~D.base_1 |v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.base_1|)) InVars {__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.base=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.base_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.offset=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.offset_1|} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.base=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.base_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~D.base=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~D.base_1, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.offset=|v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_#in~D.offset_1|, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~D.offset=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~D.offset_1} AuxVars[] AssignedVars[__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~D.base, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~D.offset] [2018-03-23 12:05:26,066 INFO L84 mationBacktranslator]: Skipped ATE [363] [363] L4-->L5: Formula: (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~k~0_1 0) InVars {} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~k~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~k~0_1} AuxVars[] AssignedVars[__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~k~0] [2018-03-23 12:05:26,066 INFO L84 mationBacktranslator]: Skipped ATE [365] [365] L5-->L6: Formula: (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~i~0_1 0) InVars {} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~i~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~i~0_1} AuxVars[] AssignedVars[__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~i~0] [2018-03-23 12:05:26,066 INFO L84 mationBacktranslator]: Skipped ATE [367] [367] L6-->L7: Formula: (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l1~0_1 v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Alen_2) InVars {__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Alen=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Alen_2} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Alen=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Alen_2, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l1~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l1~0_1} AuxVars[] AssignedVars[__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l1~0] [2018-03-23 12:05:26,066 INFO L84 mationBacktranslator]: Skipped ATE [369] [369] L7-->L8: Formula: (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l2~0_1 v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Blen_2) InVars {__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Blen=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Blen_2} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l2~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l2~0_1, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Blen=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~Blen_2} AuxVars[] AssignedVars[__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l2~0] [2018-03-23 12:05:26,066 INFO L84 mationBacktranslator]: Skipped ATE [371] [371] L8-->L9'': Formula: true InVars {} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~found~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~found~0_1} AuxVars[] AssignedVars[__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~found~0] [2018-03-23 12:05:26,066 INFO L84 mationBacktranslator]: Skipped ATE [373] [373] L9''-->L9: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-23 12:05:26,067 INFO L84 mationBacktranslator]: Skipped ATE [379] [379] L9-->L10: Formula: (< v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~i~0_3 v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l1~0_3) InVars {__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l1~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l1~0_3, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~i~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~i~0_3} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l1~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l1~0_3, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~i~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~i~0_3} AuxVars[] AssignedVars[] [2018-03-23 12:05:26,067 INFO L84 mationBacktranslator]: Skipped ATE [383] [383] L10-->L11: Formula: (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~j~0_1 0) InVars {} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~j~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~j~0_1} AuxVars[] AssignedVars[__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~j~0] [2018-03-23 12:05:26,067 INFO L84 mationBacktranslator]: Skipped ATE [385] [385] L11-->L13'''''''': Formula: (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~found~0_2 0) InVars {} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~found~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~found~0_2} AuxVars[] AssignedVars[__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~found~0] [2018-03-23 12:05:26,067 INFO L84 mationBacktranslator]: Skipped ATE [387] [387] L13''''''''-->L12: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-23 12:05:26,067 INFO L84 mationBacktranslator]: Skipped ATE [393] [393] L12-->L13: Formula: (and (= v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~found~0_4 0) (< v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~j~0_3 v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l2~0_3)) InVars {__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l2~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l2~0_3, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~j~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~j~0_3, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~found~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~found~0_4} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l2~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~l2~0_3, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~j~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~j~0_3, __U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~found~0=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~found~0_4} AuxVars[] AssignedVars[] [2018-03-23 12:05:26,067 INFO L84 mationBacktranslator]: Skipped ATE [401] [401] L13-->__U_MULTI_fdiff_usafe_false_valid_deref_i__diffErr0RequiresViolation: Formula: (not (= 1 (select |v_#valid_2| v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.base_3))) InVars {__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.base=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.base_3, #valid=|v_#valid_2|} OutVars{__U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.base=v___U_MULTI_fdiff_usafe_false_valid_deref_i__diff_~A.base_3, #valid=|v_#valid_2|} AuxVars[] AssignedVars[] [2018-03-23 12:05:26,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:05:26 BasicIcfg [2018-03-23 12:05:26,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-23 12:05:26,074 INFO L168 Benchmark]: Toolchain (without parser) took 17010.05 ms. Allocated memory was 308.3 MB in the beginning and 1.3 GB in the end (delta: 985.1 MB). Free memory was 253.5 MB in the beginning and 935.3 MB in the end (delta: -681.8 MB). Peak memory consumption was 303.3 MB. Max. memory is 5.3 GB. [2018-03-23 12:05:26,075 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 308.3 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-23 12:05:26,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.89 ms. Allocated memory is still 308.3 MB. Free memory was 253.5 MB in the beginning and 243.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-03-23 12:05:26,076 INFO L168 Benchmark]: Boogie Preprocessor took 32.42 ms. Allocated memory is still 308.3 MB. Free memory was 243.5 MB in the beginning and 242.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-03-23 12:05:26,076 INFO L168 Benchmark]: RCFGBuilder took 347.88 ms. Allocated memory was 308.3 MB in the beginning and 472.4 MB in the end (delta: 164.1 MB). Free memory was 241.5 MB in the beginning and 438.1 MB in the end (delta: -196.6 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-03-23 12:05:26,076 INFO L168 Benchmark]: IcfgTransformer took 16109.09 ms. Allocated memory was 472.4 MB in the beginning and 1.3 GB in the end (delta: 821.0 MB). Free memory was 438.1 MB in the beginning and 973.4 MB in the end (delta: -535.3 MB). Peak memory consumption was 285.7 MB. Max. memory is 5.3 GB. [2018-03-23 12:05:26,077 INFO L168 Benchmark]: TraceAbstraction took 324.52 ms. Allocated memory is still 1.3 GB. Free memory was 973.4 MB in the beginning and 935.3 MB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 5.3 GB. [2018-03-23 12:05:26,079 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 308.3 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 190.89 ms. Allocated memory is still 308.3 MB. Free memory was 253.5 MB in the beginning and 243.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.42 ms. Allocated memory is still 308.3 MB. Free memory was 243.5 MB in the beginning and 242.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 347.88 ms. Allocated memory was 308.3 MB in the beginning and 472.4 MB in the end (delta: 164.1 MB). Free memory was 241.5 MB in the beginning and 438.1 MB in the end (delta: -196.6 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * IcfgTransformer took 16109.09 ms. Allocated memory was 472.4 MB in the beginning and 1.3 GB in the end (delta: 821.0 MB). Free memory was 438.1 MB in the beginning and 973.4 MB in the end (delta: -535.3 MB). Peak memory consumption was 285.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 324.52 ms. Allocated memory is still 1.3 GB. Free memory was 973.4 MB in the beginning and 935.3 MB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 67 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 678 LocStat_NO_SUPPORTING_DISEQUALITIES : 78 LocStat_NO_DISJUNCTIONS : -134 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 86 TransStat_MAX_WEQGRAPH_SIZE : 4 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 83 TransStat_NO_SUPPORTING_DISEQUALITIES : 7 TransStat_NO_DISJUNCTIONS : 88 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.023490 RENAME_VARIABLES(MILLISECONDS) : 2.051229 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.002968 PROJECTAWAY(MILLISECONDS) : 3.956825 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.152107 DISJOIN(MILLISECONDS) : 0.778786 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 2.085116 ADD_EQUALITY(MILLISECONDS) : 0.059089 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.021627 #CONJOIN_DISJUNCTIVE : 563 #RENAME_VARIABLES : 1165 #UNFREEZE : 0 #CONJOIN : 676 #PROJECTAWAY : 693 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 170 #RENAME_VARIABLES_DISJUNCTIVE : 1135 #ADD_EQUALITY : 84 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 7 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int] : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int] : 4 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: pointer dereference may fail pointer dereference may fail We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 69 locations, 9 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 74 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/diff_usafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-03-23_12-05-26-089.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/diff_usafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-03-23_12-05-26-089.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/diff_usafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-03-23_12-05-26-089.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/diff_usafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-03-23_12-05-26-089.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/diff_usafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-23_12-05-26-089.csv Received shutdown request...