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/ldv-memsafety/memleaks_test17_2_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-acfac67 [2018-01-29 00:53:09,912 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-29 00:53:09,913 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-29 00:53:09,928 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-29 00:53:09,928 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-29 00:53:09,929 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-29 00:53:09,930 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-29 00:53:09,932 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-29 00:53:09,933 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-29 00:53:09,934 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-29 00:53:09,935 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-29 00:53:09,935 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-29 00:53:09,935 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-29 00:53:09,936 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-29 00:53:09,937 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-29 00:53:09,940 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-29 00:53:09,942 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-29 00:53:09,944 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-29 00:53:09,946 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-29 00:53:09,947 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-29 00:53:09,949 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-29 00:53:09,950 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-29 00:53:09,950 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-29 00:53:09,951 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-29 00:53:09,952 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-29 00:53:09,953 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-29 00:53:09,953 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-29 00:53:09,954 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-29 00:53:09,954 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-29 00:53:09,955 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-29 00:53:09,955 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-29 00:53:09,956 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 [2018-01-29 00:53:09,966 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-29 00:53:09,966 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-29 00:53:09,967 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-29 00:53:09,967 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-29 00:53:09,967 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-29 00:53:09,968 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-29 00:53:09,968 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-29 00:53:09,969 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-29 00:53:09,969 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-29 00:53:09,969 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-29 00:53:09,969 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-29 00:53:09,969 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-29 00:53:09,970 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-29 00:53:09,970 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-29 00:53:09,970 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-29 00:53:09,970 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-29 00:53:09,970 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-29 00:53:09,971 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-29 00:53:09,971 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-29 00:53:09,971 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-29 00:53:09,971 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-29 00:53:09,971 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-29 00:53:09,972 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-29 00:53:09,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-29 00:53:09,972 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-29 00:53:09,972 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-29 00:53:09,972 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-29 00:53:09,973 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-29 00:53:09,973 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-29 00:53:09,973 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-29 00:53:09,973 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-29 00:53:09,974 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-29 00:53:09,974 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-29 00:53:09,975 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-29 00:53:10,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-29 00:53:10,025 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-29 00:53:10,030 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-29 00:53:10,032 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-29 00:53:10,032 INFO L276 PluginConnector]: CDTParser initialized [2018-01-29 00:53:10,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test17_2_false-valid-free.i [2018-01-29 00:53:10,257 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-29 00:53:10,265 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-29 00:53:10,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-29 00:53:10,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-29 00:53:10,271 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-29 00:53:10,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 12:53:10" (1/1) ... [2018-01-29 00:53:10,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fe8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:53:10, skipping insertion in model container [2018-01-29 00:53:10,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 12:53:10" (1/1) ... [2018-01-29 00:53:10,289 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 00:53:10,341 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 00:53:10,457 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 00:53:10,479 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 00:53:10,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:53:10 WrapperNode [2018-01-29 00:53:10,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-29 00:53:10,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-29 00:53:10,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-29 00:53:10,489 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-29 00:53:10,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:53:10" (1/1) ... [2018-01-29 00:53:10,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:53:10" (1/1) ... [2018-01-29 00:53:10,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:53:10" (1/1) ... [2018-01-29 00:53:10,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:53:10" (1/1) ... [2018-01-29 00:53:10,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:53:10" (1/1) ... [2018-01-29 00:53:10,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:53:10" (1/1) ... [2018-01-29 00:53:10,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:53:10" (1/1) ... [2018-01-29 00:53:10,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-29 00:53:10,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-29 00:53:10,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-29 00:53:10,525 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-29 00:53:10,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:53:10" (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 [2018-01-29 00:53:10,573 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-29 00:53:10,573 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-29 00:53:10,574 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-29 00:53:10,574 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_17 [2018-01-29 00:53:10,574 INFO L136 BoogieDeclarations]: Found implementation of procedure free_17 [2018-01-29 00:53:10,574 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-29 00:53:10,574 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-29 00:53:10,574 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-29 00:53:10,574 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-29 00:53:10,574 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-29 00:53:10,574 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-29 00:53:10,575 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-29 00:53:10,575 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-29 00:53:10,575 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-29 00:53:10,575 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-29 00:53:10,575 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-29 00:53:10,575 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_unsafe_17 [2018-01-29 00:53:10,575 INFO L128 BoogieDeclarations]: Found specification of procedure free_17 [2018-01-29 00:53:10,576 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-29 00:53:10,576 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-29 00:53:10,576 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-29 00:53:10,576 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-29 00:53:10,890 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-29 00:53:10,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:53:10 BoogieIcfgContainer [2018-01-29 00:53:10,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-29 00:53:10,892 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-29 00:53:10,892 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-29 00:53:10,893 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-29 00:53:10,897 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:53:10" (1/1) ... [2018-01-29 00:53:10,904 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-29 00:53:10,905 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_$Pointer$.base, #memory_$Pointer$.offset] [2018-01-29 00:53:10,905 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-29 00:53:10,978 INFO L218 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-29 00:53:11,029 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-29 00:53:47,083 INFO L311 AbstractInterpreter]: Visited 115 different actions 1292 times. Merged at 74 different actions 743 times. Widened at 2 different actions 7 times. Found 118 fixpoints after 22 different actions. Largest state had 34 variables. [2018-01-29 00:53:47,086 INFO L226 apSepIcfgTransformer]: finished equality analysis [2018-01-29 00:53:47,100 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_$Pointer$.offset] : 4 [2018-01-29 00:53:47,101 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_$Pointer$.base] : 4 [2018-01-29 00:53:47,101 INFO L238 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-29 00:53:47,101 INFO L239 apSepIcfgTransformer]: array groups: Set: [#memory_$Pointer$.offset] [#memory_$Pointer$.base] [2018-01-29 00:53:47,102 INFO L241 apSepIcfgTransformer]: select infos: Set: ((select |v_#memory_$Pointer$.base_12| v_entry_point_~array~12.base_9), at (SUMMARY for call write~$Pointer$(0, 0, ~array~12.base, ~array~12.offset + ~i~12 * 4, 4); srcloc: L1470)) ((select |v_#memory_$Pointer$.offset_4| v_alloc_unsafe_17_~array.base_2), at (SUMMARY for call write~$Pointer$(~p~7.base, ~p~7.offset, ~array.base, ~array.offset + ~i~7 * 4, 4); srcloc: L1446)) ((select |v_#memory_$Pointer$.offset_12| v_entry_point_~array~12.base_9), at (SUMMARY for call write~$Pointer$(0, 0, ~array~12.base, ~array~12.offset + ~i~12 * 4, 4); srcloc: L1470)) ((select (select |v_#memory_$Pointer$.offset_5| v_alloc_unsafe_17_~array.base_5) (+ v_alloc_unsafe_17_~array.offset_4 (* 4 v_alloc_unsafe_17_~j~7_5))), at (SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~array.base, ~array.offset + ~j~7 * 4, 4); srcloc: L1451)) ((select |v_#memory_$Pointer$.base_4| v_alloc_unsafe_17_~array.base_2), at (SUMMARY for call write~$Pointer$(~p~7.base, ~p~7.offset, ~array.base, ~array.offset + ~i~7 * 4, 4); srcloc: L1446)) ((select (select |v_#memory_$Pointer$.base_5| v_alloc_unsafe_17_~array.base_5) (+ v_alloc_unsafe_17_~array.offset_4 (* 4 v_alloc_unsafe_17_~j~7_5))), at (SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~array.base, ~array.offset + ~j~7 * 4, 4); srcloc: L1451)) ((select (select |v_#memory_$Pointer$.offset_8| v_free_17_~array.base_2) (+ v_free_17_~array.offset_2 (* 4 v_free_17_~i~10_7))), at (SUMMARY for call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~array.base, ~array.offset + ~i~10 * 4, 4); srcloc: L1460)) ((select (select |v_#memory_$Pointer$.base_8| v_free_17_~array.base_2) (+ v_free_17_~array.offset_2 (* 4 v_free_17_~i~10_7))), at (SUMMARY for call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~array.base, ~array.offset + ~i~10 * 4, 4); srcloc: L1460)) [2018-01-29 00:53:47,114 INFO L544 PartitionManager]: partitioning result: [2018-01-29 00:53:47,115 INFO L549 PartitionManager]: location blocks for array group [#memory_$Pointer$.base] [2018-01-29 00:53:47,115 INFO L558 PartitionManager]: at dimension 0 [2018-01-29 00:53:47,115 INFO L559 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-29 00:53:47,115 INFO L560 PartitionManager]: # location blocks :1 [2018-01-29 00:53:47,115 INFO L558 PartitionManager]: at dimension 1 [2018-01-29 00:53:47,115 INFO L559 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-29 00:53:47,115 INFO L560 PartitionManager]: # location blocks :1 [2018-01-29 00:53:47,116 INFO L549 PartitionManager]: location blocks for array group [#memory_$Pointer$.offset] [2018-01-29 00:53:47,116 INFO L558 PartitionManager]: at dimension 0 [2018-01-29 00:53:47,116 INFO L559 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-29 00:53:47,116 INFO L560 PartitionManager]: # location blocks :1 [2018-01-29 00:53:47,116 INFO L558 PartitionManager]: at dimension 1 [2018-01-29 00:53:47,116 INFO L559 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-29 00:53:47,116 INFO L560 PartitionManager]: # location blocks :1 [2018-01-29 00:53:47,117 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-29 00:53:47,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 29.01 12:53:47 BasicIcfg [2018-01-29 00:53:47,134 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-29 00:53:47,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-29 00:53:47,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-29 00:53:47,137 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-29 00:53:47,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 12:53:10" (1/4) ... [2018-01-29 00:53:47,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c26cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 12:53:47, skipping insertion in model container [2018-01-29 00:53:47,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:53:10" (2/4) ... [2018-01-29 00:53:47,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c26cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 12:53:47, skipping insertion in model container [2018-01-29 00:53:47,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:53:10" (3/4) ... [2018-01-29 00:53:47,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c26cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 12:53:47, skipping insertion in model container [2018-01-29 00:53:47,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 29.01 12:53:47" (4/4) ... [2018-01-29 00:53:47,140 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-29 00:53:47,146 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-29 00:53:47,152 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-01-29 00:53:47,183 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-29 00:53:47,183 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-29 00:53:47,183 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-29 00:53:47,183 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-29 00:53:47,184 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-29 00:53:47,184 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-29 00:53:47,184 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-29 00:53:47,184 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-29 00:53:47,184 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-29 00:53:47,194 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states. [2018-01-29 00:53:47,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-01-29 00:53:47,198 INFO L322 BasicCegarLoop]: Found error trace [2018-01-29 00:53:47,198 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-01-29 00:53:47,198 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, alloc_unsafe_17Err1RequiresViolation, alloc_unsafe_17Err3RequiresViolation, alloc_unsafe_17Err2RequiresViolation, alloc_unsafe_17Err4RequiresViolation, alloc_unsafe_17Err0RequiresViolation, alloc_unsafe_17Err5RequiresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-01-29 00:53:47,202 INFO L82 PathProgramCache]: Analyzing trace with hash 15121103, now seen corresponding path program 1 times [2018-01-29 00:53:47,203 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 00:53:47,204 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 00:53:47,247 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:53:47,247 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 00:53:47,247 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:53:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-29 00:53:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-29 00:53:47,303 INFO L389 BasicCegarLoop]: Counterexample might be feasible [2018-01-29 00:53:47,307 INFO L84 mationBacktranslator]: Skipped ATE [461] [461] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_18|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-29 00:53:47,307 INFO L84 mationBacktranslator]: Skipped ATE [467] [467] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-29 00:53:47,308 INFO L84 mationBacktranslator]: Skipped ATE [473] [473] mainENTRY-->mainFINAL: Formula: true InVars {} OutVars{#length=|v_#length_1|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_1|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #valid, #length, #memory_$Pointer$.offset] [2018-01-29 00:53:47,308 INFO L84 mationBacktranslator]: Skipped ATE [481] [481] mainFINAL-->mainErr0EnsuresViolation: Formula: (not (= |v_#valid_4| |old(#valid)|)) InVars {#valid=|v_#valid_4|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_4|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[] [2018-01-29 00:53:47,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 12:53:47 BasicIcfg [2018-01-29 00:53:47,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-29 00:53:47,315 INFO L168 Benchmark]: Toolchain (without parser) took 37057.31 ms. Allocated memory was 301.5 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 260.5 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 42.1 MB. Max. memory is 5.3 GB. [2018-01-29 00:53:47,316 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 301.5 MB. Free memory is still 267.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 00:53:47,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.74 ms. Allocated memory is still 301.5 MB. Free memory was 260.5 MB in the beginning and 246.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. [2018-01-29 00:53:47,317 INFO L168 Benchmark]: Boogie Preprocessor took 35.57 ms. Allocated memory is still 301.5 MB. Free memory was 246.5 MB in the beginning and 245.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-29 00:53:47,317 INFO L168 Benchmark]: RCFGBuilder took 366.55 ms. Allocated memory is still 301.5 MB. Free memory was 245.5 MB in the beginning and 220.8 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 5.3 GB. [2018-01-29 00:53:47,318 INFO L168 Benchmark]: IcfgTransformer took 36241.83 ms. Allocated memory was 301.5 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 220.8 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.4 MB. Max. memory is 5.3 GB. [2018-01-29 00:53:47,318 INFO L168 Benchmark]: TraceAbstraction took 180.30 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 00:53:47,320 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 301.5 MB. Free memory is still 267.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 222.74 ms. Allocated memory is still 301.5 MB. Free memory was 260.5 MB in the beginning and 246.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.57 ms. Allocated memory is still 301.5 MB. Free memory was 246.5 MB in the beginning and 245.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 366.55 ms. Allocated memory is still 301.5 MB. Free memory was 245.5 MB in the beginning and 220.8 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 5.3 GB. * IcfgTransformer took 36241.83 ms. Allocated memory was 301.5 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 220.8 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 180.30 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 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 : 96 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 4 LocStat_NO_SUPPORTING_EQUALITIES : 610 LocStat_NO_SUPPORTING_DISEQUALITIES : 19 LocStat_NO_DISJUNCTIONS : -192 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 134 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 4 TransStat_NO_SUPPORTING_EQUALITIES : 173 TransStat_NO_SUPPORTING_DISEQUALITIES : 27 TransStat_NO_DISJUNCTIONS : 145 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.060720 RENAME_VARIABLES(MILLISECONDS) : 0.454546 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.041582 PROJECTAWAY(MILLISECONDS) : 0.059150 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.035341 DISJOIN(MILLISECONDS) : 0.184515 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.468932 ADD_EQUALITY(MILLISECONDS) : 0.011788 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.019706 #CONJOIN_DISJUNCTIVE : 2260 #RENAME_VARIABLES : 5375 #UNFREEZE : 0 #CONJOIN : 3497 #PROJECTAWAY : 3424 #ADD_WEAK_EQUALITY : 14 #DISJOIN : 735 #RENAME_VARIABLES_DISJUNCTIVE : 5100 #ADD_EQUALITY : 153 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 23 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.offset]_at_dim_0 : 1 COUNT_BLOCKS_for_[#memory_$Pointer$.offset]_at_dim_0 : 1 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.offset]_at_dim_1 : 1 COUNT_BLOCKS_for_[#memory_$Pointer$.offset]_at_dim_1 : 1 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.base]_at_dim_0 : 1 COUNT_BLOCKS_for_[#memory_$Pointer$.base]_at_dim_0 : 1 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.base]_at_dim_1 : 1 COUNT_BLOCKS_for_[#memory_$Pointer$.base]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_$Pointer$.offset] : 4 COUNT_ARRAY_READS for [#memory_$Pointer$.base] : 4 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1477]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1477. Possible FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 97 locations, 15 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=97occurred 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, 4 NumberOfCodeBlocks, 4 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 could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test17_2_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-29_00-53-47-331.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test17_2_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-29_00-53-47-331.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test17_2_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-29_00-53-47-331.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test17_2_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-29_00-53-47-331.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test17_2_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-29_00-53-47-331.csv Received shutdown request...