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/memsafety/test-0019_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 10:01:39,352 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 10:01:39,354 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 10:01:39,380 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 10:01:39,380 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 10:01:39,381 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 10:01:39,382 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 10:01:39,385 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 10:01:39,387 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 10:01:39,388 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 10:01:39,390 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 10:01:39,390 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 10:01:39,391 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 10:01:39,392 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 10:01:39,395 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 10:01:39,397 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 10:01:39,399 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 10:01:39,401 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 10:01:39,402 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 10:01:39,404 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 10:01:39,406 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 10:01:39,406 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 10:01:39,407 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 10:01:39,408 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 10:01:39,408 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 10:01:39,410 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 10:01:39,410 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 10:01:39,411 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 10:01:39,411 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 10:01:39,411 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 10:01:39,412 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 10:01:39,412 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 [2018-01-31 10:01:39,423 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 10:01:39,423 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 10:01:39,424 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 10:01:39,424 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 10:01:39,425 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 10:01:39,425 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 10:01:39,425 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 10:01:39,426 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 10:01:39,426 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 10:01:39,426 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 10:01:39,426 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 10:01:39,426 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 10:01:39,427 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 10:01:39,427 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 10:01:39,427 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 10:01:39,427 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 10:01:39,428 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 10:01:39,428 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 10:01:39,428 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 10:01:39,428 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 10:01:39,428 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 10:01:39,429 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 10:01:39,429 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 10:01:39,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 10:01:39,429 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 10:01:39,429 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 10:01:39,430 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 10:01:39,430 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 10:01:39,430 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 10:01:39,430 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 10:01:39,430 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 10:01:39,431 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 10:01:39,432 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 10:01:39,432 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 10:01:39,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 10:01:39,495 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 10:01:39,499 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 10:01:39,500 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 10:01:39,500 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 10:01:39,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0019_false-valid-memtrack_true-termination.i [2018-01-31 10:01:39,677 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 10:01:39,686 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-31 10:01:39,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 10:01:39,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 10:01:39,698 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 10:01:39,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:01:39" (1/1) ... [2018-01-31 10:01:39,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10afa21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:01:39, skipping insertion in model container [2018-01-31 10:01:39,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:01:39" (1/1) ... [2018-01-31 10:01:39,724 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 10:01:39,791 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 10:01:39,965 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 10:01:39,995 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 10:01:40,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:01:40 WrapperNode [2018-01-31 10:01:40,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 10:01:40,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 10:01:40,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 10:01:40,007 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 10:01:40,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:01:40" (1/1) ... [2018-01-31 10:01:40,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:01:40" (1/1) ... [2018-01-31 10:01:40,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:01:40" (1/1) ... [2018-01-31 10:01:40,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:01:40" (1/1) ... [2018-01-31 10:01:40,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:01:40" (1/1) ... [2018-01-31 10:01:40,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:01:40" (1/1) ... [2018-01-31 10:01:40,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:01:40" (1/1) ... [2018-01-31 10:01:40,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 10:01:40,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 10:01:40,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 10:01:40,045 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 10:01:40,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:01:40" (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 [2018-01-31 10:01:40,102 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 10:01:40,103 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 10:01:40,103 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_data [2018-01-31 10:01:40,103 INFO L136 BoogieDeclarations]: Found implementation of procedure free_data [2018-01-31 10:01:40,103 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 10:01:40,103 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-31 10:01:40,103 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-31 10:01:40,103 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 10:01:40,104 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 10:01:40,104 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 10:01:40,104 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-31 10:01:40,104 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-31 10:01:40,104 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_data [2018-01-31 10:01:40,104 INFO L128 BoogieDeclarations]: Found specification of procedure free_data [2018-01-31 10:01:40,104 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 10:01:40,105 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 10:01:40,105 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 10:01:40,585 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 10:01:40,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:01:40 BoogieIcfgContainer [2018-01-31 10:01:40,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 10:01:40,586 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-31 10:01:40,586 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-31 10:01:40,587 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-31 10:01:40,589 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:01:40" (1/1) ... [2018-01-31 10:01:40,597 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-31 10:01:40,597 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_$Pointer$.base, #memory_$Pointer$.offset] [2018-01-31 10:01:40,597 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-31 10:01:40,656 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 15 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-31 10:01:40,695 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-31 10:01:40,764 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 10:02:19,717 INFO L314 AbstractInterpreter]: Visited 58 different actions 66 times. Merged at 6 different actions 6 times. Never widened. Never found a fixpoint. Largest state had 69 variables. [2018-01-31 10:02:19,719 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-31 10:02:19,731 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_$Pointer$.offset] : 6 [2018-01-31 10:02:19,732 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_$Pointer$.base] : 6 [2018-01-31 10:02:19,732 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-31 10:02:19,732 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_$Pointer$.offset] [#memory_$Pointer$.base] [2018-01-31 10:02:19,733 INFO L244 apSepIcfgTransformer]: select infos: Set: ((select |v_#memory_$Pointer$.base_6| v_alloc_data_~pdata.base_5), at (SUMMARY for call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~pdata.base, ~pdata.offset + 4, 4); srcloc: L626)) ((select (select |v_#memory_$Pointer$.offset_11| v_free_data_~data.base_2) v_free_data_~data.offset_2), at (SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~data.base, ~data.offset + 0, 4); srcloc: L630)) ((select (select |v_#memory_$Pointer$.offset_12| v_free_data_~data.base_5) (+ v_free_data_~data.offset_4 4)), at (SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~data.base, ~data.offset + 4, 4); srcloc: L631)) ((select |v_#memory_$Pointer$.offset_14| v_free_data_~data.base_8), at (SUMMARY for call write~$Pointer$(0, 0, ~data.base, ~data.offset + 0, 4); srcloc: L632')) ((select |v_#memory_$Pointer$.offset_16| v_free_data_~data.base_11), at (SUMMARY for call write~$Pointer$(0, 0, ~data.base, ~data.offset + 4, 4); srcloc: L636)) ((select (select |v_#memory_$Pointer$.base_12| v_free_data_~data.base_5) (+ v_free_data_~data.offset_4 4)), at (SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~data.base, ~data.offset + 4, 4); srcloc: L631)) ((select |v_#memory_$Pointer$.base_4| v_alloc_data_~pdata.base_2), at (SUMMARY for call write~$Pointer$(#t~malloc0.base, #t~malloc0.offset, ~pdata.base, ~pdata.offset + 0, 4); srcloc: L625')) ((select |v_#memory_$Pointer$.offset_6| v_alloc_data_~pdata.base_5), at (SUMMARY for call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~pdata.base, ~pdata.offset + 4, 4); srcloc: L626)) ((select |v_#memory_$Pointer$.base_14| v_free_data_~data.base_8), at (SUMMARY for call write~$Pointer$(0, 0, ~data.base, ~data.offset + 0, 4); srcloc: L632')) ((select (select |v_#memory_$Pointer$.base_11| v_free_data_~data.base_2) v_free_data_~data.offset_2), at (SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~data.base, ~data.offset + 0, 4); srcloc: L630)) ((select |v_#memory_$Pointer$.base_16| v_free_data_~data.base_11), at (SUMMARY for call write~$Pointer$(0, 0, ~data.base, ~data.offset + 4, 4); srcloc: L636)) ((select |v_#memory_$Pointer$.offset_4| v_alloc_data_~pdata.base_2), at (SUMMARY for call write~$Pointer$(#t~malloc0.base, #t~malloc0.offset, ~pdata.base, ~pdata.offset + 0, 4); srcloc: L625')) [2018-01-31 10:02:19,855 INFO L547 PartitionManager]: partitioning result: [2018-01-31 10:02:19,855 INFO L552 PartitionManager]: location blocks for array group [#memory_$Pointer$.base] [2018-01-31 10:02:19,855 INFO L562 PartitionManager]: at dimension 0 [2018-01-31 10:02:19,855 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-01-31 10:02:19,855 INFO L564 PartitionManager]: # location blocks :3 [2018-01-31 10:02:19,856 INFO L562 PartitionManager]: at dimension 1 [2018-01-31 10:02:19,856 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 5 [2018-01-31 10:02:19,856 INFO L564 PartitionManager]: # location blocks :2 [2018-01-31 10:02:19,856 INFO L552 PartitionManager]: location blocks for array group [#memory_$Pointer$.offset] [2018-01-31 10:02:19,856 INFO L562 PartitionManager]: at dimension 0 [2018-01-31 10:02:19,856 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-01-31 10:02:19,857 INFO L564 PartitionManager]: # location blocks :3 [2018-01-31 10:02:19,857 INFO L562 PartitionManager]: at dimension 1 [2018-01-31 10:02:19,857 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 5 [2018-01-31 10:02:19,857 INFO L564 PartitionManager]: # location blocks :2 [2018-01-31 10:02:19,858 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-31 10:02:19,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 10:02:19 BasicIcfg [2018-01-31 10:02:19,899 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-31 10:02:19,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 10:02:19,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 10:02:19,909 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 10:02:19,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:01:39" (1/4) ... [2018-01-31 10:02:19,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27194f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:02:19, skipping insertion in model container [2018-01-31 10:02:19,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:01:40" (2/4) ... [2018-01-31 10:02:19,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27194f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:02:19, skipping insertion in model container [2018-01-31 10:02:19,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:01:40" (3/4) ... [2018-01-31 10:02:19,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27194f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:02:19, skipping insertion in model container [2018-01-31 10:02:19,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 10:02:19" (4/4) ... [2018-01-31 10:02:19,913 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-31 10:02:19,922 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 10:02:20,020 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-01-31 10:02:20,058 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 10:02:20,059 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 10:02:20,059 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 10:02:20,059 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 10:02:20,059 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 10:02:20,059 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 10:02:20,059 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 10:02:20,059 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 10:02:20,060 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 10:02:20,072 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-01-31 10:02:20,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-31 10:02:20,076 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 10:02:20,077 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-31 10:02:20,077 INFO L371 AbstractCegarLoop]: === Iteration 1 === [alloc_dataErr2RequiresViolation, alloc_dataErr0RequiresViolation, alloc_dataErr1RequiresViolation, alloc_dataErr3RequiresViolation, mainErr0EnsuresViolation, free_dataErr3RequiresViolation, free_dataErr1RequiresViolation, free_dataErr7RequiresViolation, free_dataErr10RequiresViolation, free_dataErr9RequiresViolation, free_dataErr11RequiresViolation, free_dataErr2RequiresViolation, free_dataErr8RequiresViolation, free_dataErr4RequiresViolation, free_dataErr6RequiresViolation, free_dataErr0RequiresViolation, free_dataErr5RequiresViolation]=== [2018-01-31 10:02:20,082 INFO L82 PathProgramCache]: Analyzing trace with hash 859106304, now seen corresponding path program 1 times [2018-01-31 10:02:20,084 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 10:02:20,084 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 10:02:20,125 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 10:02:20,125 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 10:02:20,126 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 10:02:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 10:02:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 10:02:20,227 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-01-31 10:02:20,232 INFO L84 mationBacktranslator]: Skipped ATE [233] [233] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-31 10:02:20,232 INFO L84 mationBacktranslator]: Skipped ATE [239] [239] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 10:02:20,232 INFO L84 mationBacktranslator]: Skipped ATE [245] [245] mainENTRY-->L640: Formula: (and (= 0 (select |v_#valid_16| |v_main_~#data~6.base_1|)) (= |v_#valid_15| (store |v_#valid_16| |v_main_~#data~6.base_1| 1)) (= |v_#length_11| (store |v_#length_12| |v_main_~#data~6.base_1| 8)) (= |v_main_~#data~6.offset_1| 0) (not (= |v_main_~#data~6.base_1| 0))) InVars {#length=|v_#length_12|, #valid=|v_#valid_16|} OutVars{#length=|v_#length_11|, main_~#data~6.offset=|v_main_~#data~6.offset_1|, main_~#data~6.base=|v_main_~#data~6.base_1|, #valid=|v_#valid_15|} AuxVars[] AssignedVars[main_~#data~6.offset, main_~#data~6.base, #valid, #length] [2018-01-31 10:02:20,233 INFO L84 mationBacktranslator]: Skipped ATE [249] [249] L640-->L641: Formula: true InVars {} OutVars{#length=|v_#length_13|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_7|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_7|, #valid=|v_#valid_17|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #valid, #length, #memory_$Pointer$.offset] [2018-01-31 10:02:20,233 INFO L84 mationBacktranslator]: Skipped ATE [257] [257] L641-->free_dataENTRY: Formula: (and (= |v_free_data_#in~data.baseInParam_1| |v_main_~#data~6.base_7|) (= |v_free_data_#in~data.offsetInParam_1| |v_main_~#data~6.offset_7|)) InVars {main_~#data~6.offset=|v_main_~#data~6.offset_7|, main_~#data~6.base=|v_main_~#data~6.base_7|} OutVars{free_data_#in~data.offset=|v_free_data_#in~data.offsetInParam_1|, free_data_#in~data.base=|v_free_data_#in~data.baseInParam_1|} AuxVars[] AssignedVars[free_data_#in~data.offset, free_data_#in~data.base] [2018-01-31 10:02:20,233 INFO L84 mationBacktranslator]: Skipped ATE [263] [263] free_dataENTRY-->L630: Formula: (and (= v_free_data_~data.offset_1 |v_free_data_#in~data.offset_1|) (= v_free_data_~data.base_1 |v_free_data_#in~data.base_1|)) InVars {free_data_#in~data.offset=|v_free_data_#in~data.offset_1|, free_data_#in~data.base=|v_free_data_#in~data.base_1|} OutVars{free_data_~data.base=v_free_data_~data.base_1, free_data_#in~data.offset=|v_free_data_#in~data.offset_1|, free_data_~data.offset=v_free_data_~data.offset_1, free_data_#in~data.base=|v_free_data_#in~data.base_1|} AuxVars[] AssignedVars[free_data_~data.base, free_data_~data.offset] [2018-01-31 10:02:20,234 INFO L84 mationBacktranslator]: Skipped ATE [273] [273] L630-->free_dataErr1RequiresViolation: Formula: (or (not (<= 0 v_free_data_~data.offset_3)) (not (<= (+ v_free_data_~data.offset_3 4) (select |v_#length_16| v_free_data_~data.base_4)))) InVars {free_data_~data.base=v_free_data_~data.base_4, #length=|v_#length_16|, free_data_~data.offset=v_free_data_~data.offset_3} OutVars{free_data_~data.base=v_free_data_~data.base_4, #length=|v_#length_16|, free_data_~data.offset=v_free_data_~data.offset_3} AuxVars[] AssignedVars[] [2018-01-31 10:02:20,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:02:20 BasicIcfg [2018-01-31 10:02:20,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 10:02:20,241 INFO L168 Benchmark]: Toolchain (without parser) took 40563.03 ms. Allocated memory was 309.3 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 269.0 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 24.9 MB. Max. memory is 5.3 GB. [2018-01-31 10:02:20,242 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 10:02:20,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.94 ms. Allocated memory is still 309.3 MB. Free memory was 268.1 MB in the beginning and 258.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-31 10:02:20,242 INFO L168 Benchmark]: Boogie Preprocessor took 37.75 ms. Allocated memory is still 309.3 MB. Free memory was 258.1 MB in the beginning and 256.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. [2018-01-31 10:02:20,243 INFO L168 Benchmark]: RCFGBuilder took 540.87 ms. Allocated memory is still 309.3 MB. Free memory was 256.0 MB in the beginning and 237.0 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 5.3 GB. [2018-01-31 10:02:20,243 INFO L168 Benchmark]: IcfgTransformer took 39313.26 ms. Allocated memory was 309.3 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 237.0 MB in the beginning and 474.6 MB in the end (delta: -237.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 5.3 GB. [2018-01-31 10:02:20,243 INFO L168 Benchmark]: TraceAbstraction took 340.30 ms. Allocated memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: 201.3 MB). Free memory was 474.6 MB in the beginning and 2.2 GB in the end (delta: -1.8 GB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 10:02:20,246 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 318.94 ms. Allocated memory is still 309.3 MB. Free memory was 268.1 MB in the beginning and 258.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.75 ms. Allocated memory is still 309.3 MB. Free memory was 258.1 MB in the beginning and 256.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. * RCFGBuilder took 540.87 ms. Allocated memory is still 309.3 MB. Free memory was 256.0 MB in the beginning and 237.0 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 5.3 GB. * IcfgTransformer took 39313.26 ms. Allocated memory was 309.3 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 237.0 MB in the beginning and 474.6 MB in the end (delta: -237.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 5.3 GB. * TraceAbstraction took 340.30 ms. Allocated memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: 201.3 MB). Free memory was 474.6 MB in the beginning and 2.2 GB in the end (delta: -1.8 GB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 47 LocStat_MAX_WEQGRAPH_SIZE : 12 LocStat_MAX_SIZEOF_WEQEDGELABEL : 6 LocStat_NO_SUPPORTING_EQUALITIES : 1649 LocStat_NO_SUPPORTING_DISEQUALITIES : 1079 LocStat_NO_DISJUNCTIONS : -94 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 70 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 4 TransStat_NO_SUPPORTING_EQUALITIES : 235 TransStat_NO_SUPPORTING_DISEQUALITIES : 31 TransStat_NO_DISJUNCTIONS : 83 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.314647 RENAME_VARIABLES(MILLISECONDS) : 0.007476 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.912859 PROJECTAWAY(MILLISECONDS) : 6.280917 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.048428 DISJOIN(MILLISECONDS) : 5.450341 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.023096 ADD_EQUALITY(MILLISECONDS) : 0.011041 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.026537 #CONJOIN_DISJUNCTIVE : 121 #RENAME_VARIABLES : 221 #UNFREEZE : 0 #CONJOIN : 383 #PROJECTAWAY : 195 #ADD_WEAK_EQUALITY : 26 #DISJOIN : 16 #RENAME_VARIABLES_DISJUNCTIVE : 199 #ADD_EQUALITY : 221 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 20 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_$Pointer$.base] : 6 #COUNT_NEW_ARRAY_VARS_[#memory_$Pointer$.offset] : 6 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.offset]_at_dim_0 : 3 COUNT_BLOCKS_for_[#memory_$Pointer$.offset]_at_dim_0 : 3 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.offset]_at_dim_1 : 5 COUNT_BLOCKS_for_[#memory_$Pointer$.offset]_at_dim_1 : 2 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.base]_at_dim_0 : 3 COUNT_BLOCKS_for_[#memory_$Pointer$.base]_at_dim_0 : 3 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.base]_at_dim_1 : 5 COUNT_BLOCKS_for_[#memory_$Pointer$.base]_at_dim_1 : 2 COUNT_ARRAY_READS for [#memory_$Pointer$.offset] : 6 COUNT_ARRAY_READS for [#memory_$Pointer$.base] : 6 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 54 locations, 17 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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/test-0019_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-31_10-02-20-258.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-31_10-02-20-258.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-31_10-02-20-258.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-31_10-02-20-258.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_10-02-20-258.csv Received shutdown request...