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_test19_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a [2018-01-30 02:41:44,502 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-30 02:41:44,532 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-30 02:41:44,553 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-30 02:41:44,553 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-30 02:41:44,554 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-30 02:41:44,555 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-30 02:41:44,564 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-30 02:41:44,566 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-30 02:41:44,567 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-30 02:41:44,569 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-30 02:41:44,569 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-30 02:41:44,570 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-30 02:41:44,571 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-30 02:41:44,580 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-30 02:41:44,584 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-30 02:41:44,586 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-30 02:41:44,588 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-30 02:41:44,589 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-30 02:41:44,591 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-30 02:41:44,593 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-30 02:41:44,593 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-30 02:41:44,594 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-30 02:41:44,595 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-30 02:41:44,596 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-30 02:41:44,597 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-30 02:41:44,597 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-30 02:41:44,598 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-30 02:41:44,598 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-30 02:41:44,599 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-30 02:41:44,599 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-30 02:41:44,600 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 [2018-01-30 02:41:44,641 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-30 02:41:44,641 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-30 02:41:44,642 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-30 02:41:44,642 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-30 02:41:44,642 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-30 02:41:44,642 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-30 02:41:44,643 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-30 02:41:44,643 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-30 02:41:44,643 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-30 02:41:44,644 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-30 02:41:44,644 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-30 02:41:44,645 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-30 02:41:44,645 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-30 02:41:44,645 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-30 02:41:44,645 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-30 02:41:44,645 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-30 02:41:44,646 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-30 02:41:44,646 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-30 02:41:44,646 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-30 02:41:44,646 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-30 02:41:44,646 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-30 02:41:44,647 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-30 02:41:44,647 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-30 02:41:44,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-30 02:41:44,647 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-30 02:41:44,648 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-30 02:41:44,648 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-30 02:41:44,648 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-30 02:41:44,648 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-30 02:41:44,648 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-30 02:41:44,648 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-30 02:41:44,649 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-30 02:41:44,651 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-30 02:41:44,652 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-30 02:41:44,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-30 02:41:44,872 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-30 02:41:44,876 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-30 02:41:44,877 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-30 02:41:44,877 INFO L276 PluginConnector]: CDTParser initialized [2018-01-30 02:41:44,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test19_false-valid-free.i [2018-01-30 02:41:45,134 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-30 02:41:45,140 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-30 02:41:45,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-30 02:41:45,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-30 02:41:45,146 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-30 02:41:45,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:41:45" (1/1) ... [2018-01-30 02:41:45,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487a3c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:41:45, skipping insertion in model container [2018-01-30 02:41:45,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:41:45" (1/1) ... [2018-01-30 02:41:45,164 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 02:41:45,355 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 02:41:45,476 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 02:41:45,498 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 02:41:45,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:41:45 WrapperNode [2018-01-30 02:41:45,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-30 02:41:45,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-30 02:41:45,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-30 02:41:45,508 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-30 02:41:45,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:41:45" (1/1) ... [2018-01-30 02:41:45,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:41:45" (1/1) ... [2018-01-30 02:41:45,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:41:45" (1/1) ... [2018-01-30 02:41:45,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:41:45" (1/1) ... [2018-01-30 02:41:45,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:41:45" (1/1) ... [2018-01-30 02:41:45,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:41:45" (1/1) ... [2018-01-30 02:41:45,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:41:45" (1/1) ... [2018-01-30 02:41:45,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-30 02:41:45,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-30 02:41:45,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-30 02:41:45,541 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-30 02:41:45,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:41:45" (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 [2018-01-30 02:41:45,656 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-30 02:41:45,657 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-30 02:41:45,657 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-30 02:41:45,657 INFO L136 BoogieDeclarations]: Found implementation of procedure f19 [2018-01-30 02:41:45,657 INFO L136 BoogieDeclarations]: Found implementation of procedure f19_undo [2018-01-30 02:41:45,657 INFO L136 BoogieDeclarations]: Found implementation of procedure g19 [2018-01-30 02:41:45,657 INFO L136 BoogieDeclarations]: Found implementation of procedure probe_unsafe_19 [2018-01-30 02:41:45,657 INFO L136 BoogieDeclarations]: Found implementation of procedure disconnect_19 [2018-01-30 02:41:45,657 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-30 02:41:45,657 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-30 02:41:45,657 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-30 02:41:45,658 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-30 02:41:45,658 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-30 02:41:45,658 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-30 02:41:45,658 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-30 02:41:45,658 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-30 02:41:45,658 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-30 02:41:45,658 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-30 02:41:45,658 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-30 02:41:45,658 INFO L128 BoogieDeclarations]: Found specification of procedure f19 [2018-01-30 02:41:45,659 INFO L128 BoogieDeclarations]: Found specification of procedure f19_undo [2018-01-30 02:41:45,659 INFO L128 BoogieDeclarations]: Found specification of procedure g19 [2018-01-30 02:41:45,659 INFO L128 BoogieDeclarations]: Found specification of procedure probe_unsafe_19 [2018-01-30 02:41:45,659 INFO L128 BoogieDeclarations]: Found specification of procedure disconnect_19 [2018-01-30 02:41:45,659 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-30 02:41:45,660 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-30 02:41:45,660 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-30 02:41:45,660 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-30 02:41:46,088 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-30 02:41:46,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:41:46 BoogieIcfgContainer [2018-01-30 02:41:46,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-30 02:41:46,093 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-30 02:41:46,093 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-30 02:41:46,094 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-30 02:41:46,098 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:41:46" (1/1) ... [2018-01-30 02:41:46,110 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-30 02:41:46,110 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_$Pointer$.base, #memory_$Pointer$.offset] [2018-01-30 02:41:46,111 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-30 02:41:46,173 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 11 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-30 02:41:46,218 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-30 02:41:46,286 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-30 02:42:20,859 INFO L311 AbstractInterpreter]: Visited 128 different actions 237 times. Merged at 48 different actions 73 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 9 different actions. Largest state had 61 variables. [2018-01-30 02:42:20,862 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-30 02:42:20,988 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_$Pointer$.offset] : 7 [2018-01-30 02:42:20,989 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_$Pointer$.base] : 7 [2018-01-30 02:42:20,989 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-30 02:42:20,990 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_$Pointer$.offset] [#memory_$Pointer$.base] [2018-01-30 02:42:20,990 INFO L244 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_$Pointer$.base_8| v_f19_undo_~a.base_2) v_f19_undo_~a.offset_2), at (SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~a.base, ~a.offset + 0, 4); srcloc: L1447)) ((select (select |v_#memory_$Pointer$.base_1| v_disconnect_19_~a.base_2) (+ v_disconnect_19_~a.offset_2 4)), at (SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~a.base, ~a.offset + 4, 4); srcloc: L1478)) ((select |v_#memory_$Pointer$.base_12| v_f19_~a.base_2), at (SUMMARY for call write~$Pointer$(#t~ret2.base, #t~ret2.offset, ~a.base, ~a.offset + 0, 4); srcloc: L1440')) ((select |v_#memory_$Pointer$.offset_12| v_f19_~a.base_2), at (SUMMARY for call write~$Pointer$(#t~ret2.base, #t~ret2.offset, ~a.base, ~a.offset + 0, 4); srcloc: L1440')) ((select (select |v_#memory_$Pointer$.base_13| v_f19_~a.base_5) v_f19_~a.offset_4), at (SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~a.base, ~a.offset + 0, 4); srcloc: L1441)) ((select (select |v_#memory_$Pointer$.offset_4| v_probe_unsafe_19_~a.base_5) (+ v_probe_unsafe_19_~a.offset_4 4)), at (SUMMARY for call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~a.base, ~a.offset + 4, 4); srcloc: L1458)) ((select (select |v_#memory_$Pointer$.offset_13| v_f19_~a.base_5) v_f19_~a.offset_4), at (SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~a.base, ~a.offset + 0, 4); srcloc: L1441)) ((select (select |v_#memory_$Pointer$.base_4| v_probe_unsafe_19_~a.base_5) (+ v_probe_unsafe_19_~a.offset_4 4)), at (SUMMARY for call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~a.base, ~a.offset + 4, 4); srcloc: L1458)) ((select (select |v_#memory_$Pointer$.offset_8| v_f19_undo_~a.base_2) v_f19_undo_~a.offset_2), at (SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~a.base, ~a.offset + 0, 4); srcloc: L1447)) ((select |v_#memory_$Pointer$.base_3| v_probe_unsafe_19_~a.base_2), at (SUMMARY for call write~$Pointer$(#t~ret7.base, #t~ret7.offset, ~a.base, ~a.offset + 4, 4); srcloc: L1457')) ((select (select |v_#memory_$Pointer$.offset_7| v_probe_unsafe_19_~a.base_10) (+ v_probe_unsafe_19_~a.offset_8 4)), at (SUMMARY for call #t~mem12.base, #t~mem12.offset := read~$Pointer$(~a.base, ~a.offset + 4, 4); srcloc: L1470)) ((select |v_#memory_$Pointer$.offset_3| v_probe_unsafe_19_~a.base_2), at (SUMMARY for call write~$Pointer$(#t~ret7.base, #t~ret7.offset, ~a.base, ~a.offset + 4, 4); srcloc: L1457')) ((select (select |v_#memory_$Pointer$.offset_1| v_disconnect_19_~a.base_2) (+ v_disconnect_19_~a.offset_2 4)), at (SUMMARY for call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~a.base, ~a.offset + 4, 4); srcloc: L1478)) ((select (select |v_#memory_$Pointer$.base_7| v_probe_unsafe_19_~a.base_10) (+ v_probe_unsafe_19_~a.offset_8 4)), at (SUMMARY for call #t~mem12.base, #t~mem12.offset := read~$Pointer$(~a.base, ~a.offset + 4, 4); srcloc: L1470)) [2018-01-30 02:42:21,006 INFO L547 PartitionManager]: partitioning result: [2018-01-30 02:42:21,006 INFO L552 PartitionManager]: location blocks for array group [#memory_$Pointer$.base] [2018-01-30 02:42:21,007 INFO L561 PartitionManager]: at dimension 0 [2018-01-30 02:42:21,007 INFO L562 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-01-30 02:42:21,007 INFO L563 PartitionManager]: # location blocks :2 [2018-01-30 02:42:21,007 INFO L561 PartitionManager]: at dimension 1 [2018-01-30 02:42:21,007 INFO L562 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-01-30 02:42:21,007 INFO L563 PartitionManager]: # location blocks :1 [2018-01-30 02:42:21,008 INFO L552 PartitionManager]: location blocks for array group [#memory_$Pointer$.offset] [2018-01-30 02:42:21,008 INFO L561 PartitionManager]: at dimension 0 [2018-01-30 02:42:21,008 INFO L562 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-01-30 02:42:21,008 INFO L563 PartitionManager]: # location blocks :2 [2018-01-30 02:42:21,009 INFO L561 PartitionManager]: at dimension 1 [2018-01-30 02:42:21,009 INFO L562 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-01-30 02:42:21,009 INFO L563 PartitionManager]: # location blocks :1 [2018-01-30 02:42:21,010 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-30 02:42:21,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 02:42:21 BasicIcfg [2018-01-30 02:42:21,042 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-30 02:42:21,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-30 02:42:21,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-30 02:42:21,047 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-30 02:42:21,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:41:45" (1/4) ... [2018-01-30 02:42:21,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792e2da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:42:21, skipping insertion in model container [2018-01-30 02:42:21,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:41:45" (2/4) ... [2018-01-30 02:42:21,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792e2da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:42:21, skipping insertion in model container [2018-01-30 02:42:21,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:41:46" (3/4) ... [2018-01-30 02:42:21,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792e2da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:42:21, skipping insertion in model container [2018-01-30 02:42:21,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 02:42:21" (4/4) ... [2018-01-30 02:42:21,051 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-30 02:42:21,058 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-30 02:42:21,065 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 21 error locations. [2018-01-30 02:42:21,100 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-30 02:42:21,101 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-30 02:42:21,101 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-30 02:42:21,101 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-30 02:42:21,101 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-30 02:42:21,101 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-30 02:42:21,101 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-30 02:42:21,101 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-30 02:42:21,102 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-30 02:42:21,115 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2018-01-30 02:42:21,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-01-30 02:42:21,122 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 02:42:21,123 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-01-30 02:42:21,123 INFO L371 AbstractCegarLoop]: === Iteration 1 === [disconnect_19Err0RequiresViolation, disconnect_19Err1RequiresViolation, disconnect_19Err2RequiresViolation, disconnect_19Err3RequiresViolation, probe_unsafe_19Err7RequiresViolation, probe_unsafe_19Err0RequiresViolation, probe_unsafe_19Err2RequiresViolation, probe_unsafe_19Err3RequiresViolation, probe_unsafe_19Err1RequiresViolation, probe_unsafe_19Err6RequiresViolation, probe_unsafe_19Err4RequiresViolation, probe_unsafe_19Err5RequiresViolation, f19_undoErr1RequiresViolation, f19_undoErr2RequiresViolation, f19_undoErr3RequiresViolation, f19_undoErr0RequiresViolation, mainErr0EnsuresViolation, f19Err2RequiresViolation, f19Err3RequiresViolation, f19Err0RequiresViolation, f19Err1RequiresViolation]=== [2018-01-30 02:42:21,129 INFO L82 PathProgramCache]: Analyzing trace with hash 16721871, now seen corresponding path program 1 times [2018-01-30 02:42:21,132 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 02:42:21,133 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 02:42:21,187 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 02:42:21,188 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 02:42:21,188 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 02:42:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-30 02:42:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-30 02:42:21,275 INFO L409 BasicCegarLoop]: Counterexample might be feasible [2018-01-30 02:42:21,281 INFO L84 mationBacktranslator]: Skipped ATE [513] [513] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_42|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-30 02:42:21,281 INFO L84 mationBacktranslator]: Skipped ATE [519] [519] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-30 02:42:21,281 INFO L84 mationBacktranslator]: Skipped ATE [525] [525] mainENTRY-->mainFINAL: Formula: true InVars {} OutVars{#length=|v_#length_15|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_9|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_9|, #valid=|v_#valid_28|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #valid, #length, #memory_$Pointer$.offset] [2018-01-30 02:42:21,281 INFO L84 mationBacktranslator]: Skipped ATE [533] [533] mainFINAL-->mainErr0EnsuresViolation: Formula: (not (= |v_#valid_31| |old(#valid)|)) InVars {#valid=|v_#valid_31|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_31|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[] [2018-01-30 02:42:21,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:42:21 BasicIcfg [2018-01-30 02:42:21,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-30 02:42:21,289 INFO L168 Benchmark]: Toolchain (without parser) took 36154.85 ms. Allocated memory was 235.9 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 195.0 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 32.6 MB. Max. memory is 5.3 GB. [2018-01-30 02:42:21,290 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 235.9 MB. Free memory is still 201.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 02:42:21,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.73 ms. Allocated memory is still 235.9 MB. Free memory was 195.0 MB in the beginning and 181.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. [2018-01-30 02:42:21,291 INFO L168 Benchmark]: Boogie Preprocessor took 31.48 ms. Allocated memory is still 235.9 MB. Free memory was 181.0 MB in the beginning and 180.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-30 02:42:21,291 INFO L168 Benchmark]: RCFGBuilder took 551.61 ms. Allocated memory is still 235.9 MB. Free memory was 180.0 MB in the beginning and 154.1 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 5.3 GB. [2018-01-30 02:42:21,292 INFO L168 Benchmark]: IcfgTransformer took 34949.19 ms. Allocated memory was 235.9 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 154.1 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 02:42:21,292 INFO L168 Benchmark]: TraceAbstraction took 245.75 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 5.3 GB. [2018-01-30 02:42:21,294 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 235.9 MB. Free memory is still 201.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 366.73 ms. Allocated memory is still 235.9 MB. Free memory was 195.0 MB in the beginning and 181.0 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.48 ms. Allocated memory is still 235.9 MB. Free memory was 181.0 MB in the beginning and 180.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 551.61 ms. Allocated memory is still 235.9 MB. Free memory was 180.0 MB in the beginning and 154.1 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 5.3 GB. * IcfgTransformer took 34949.19 ms. Allocated memory was 235.9 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 154.1 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). There was no memory consumed. Max. memory is 5.3 GB. * TraceAbstraction took 245.75 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 107 LocStat_MAX_WEQGRAPH_SIZE : 5 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 1994 LocStat_NO_SUPPORTING_DISEQUALITIES : 1444 LocStat_NO_DISJUNCTIONS : -214 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 157 TransStat_MAX_WEQGRAPH_SIZE : 4 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 283 TransStat_NO_SUPPORTING_DISEQUALITIES : 37 TransStat_NO_DISJUNCTIONS : 175 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.140618 RENAME_VARIABLES(MILLISECONDS) : 0.003367 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.936168 PROJECTAWAY(MILLISECONDS) : 6.268928 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.072891 DISJOIN(MILLISECONDS) : 3.481558 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.011336 ADD_EQUALITY(MILLISECONDS) : 0.011205 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.009717 #CONJOIN_DISJUNCTIVE : 445 #RENAME_VARIABLES : 1062 #UNFREEZE : 0 #CONJOIN : 1004 #PROJECTAWAY : 827 #ADD_WEAK_EQUALITY : 17 #DISJOIN : 151 #RENAME_VARIABLES_DISJUNCTIVE : 1005 #ADD_EQUALITY : 254 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 30 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_$Pointer$.base] : 2 #COUNT_NEW_ARRAY_VARS_[#memory_$Pointer$.offset] : 2 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.offset]_at_dim_0 : 3 COUNT_BLOCKS_for_[#memory_$Pointer$.offset]_at_dim_0 : 2 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.offset]_at_dim_1 : 2 COUNT_BLOCKS_for_[#memory_$Pointer$.offset]_at_dim_1 : 1 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.base]_at_dim_0 : 3 COUNT_BLOCKS_for_[#memory_$Pointer$.base]_at_dim_0 : 2 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.base]_at_dim_1 : 2 COUNT_BLOCKS_for_[#memory_$Pointer$.base]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_$Pointer$.offset] : 7 COUNT_ARRAY_READS for [#memory_$Pointer$.base] : 7 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1491]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1491. Possible FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 110 locations, 21 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=110occurred 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_test19_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-30_02-42-21-305.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test19_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-30_02-42-21-305.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test19_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-30_02-42-21-305.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test19_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-30_02-42-21-305.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test19_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-30_02-42-21-305.csv Received shutdown request...