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_test18_1_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-acfac67 [2018-01-29 00:56:42,795 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-29 00:56:42,796 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-29 00:56:42,808 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-29 00:56:42,809 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-29 00:56:42,810 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-29 00:56:42,811 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-29 00:56:42,813 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-29 00:56:42,815 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-29 00:56:42,816 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-29 00:56:42,817 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-29 00:56:42,817 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-29 00:56:42,818 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-29 00:56:42,819 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-29 00:56:42,820 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-29 00:56:42,822 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-29 00:56:42,824 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-29 00:56:42,826 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-29 00:56:42,827 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-29 00:56:42,828 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-29 00:56:42,831 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-29 00:56:42,831 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-29 00:56:42,831 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-29 00:56:42,832 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-29 00:56:42,833 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-29 00:56:42,834 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-29 00:56:42,835 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-29 00:56:42,835 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-29 00:56:42,835 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-29 00:56:42,836 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-29 00:56:42,836 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-29 00:56:42,837 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 00:56:42,846 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-29 00:56:42,846 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-29 00:56:42,847 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-29 00:56:42,847 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-29 00:56:42,848 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-29 00:56:42,848 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-29 00:56:42,848 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-29 00:56:42,849 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-29 00:56:42,849 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-29 00:56:42,849 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-29 00:56:42,849 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-29 00:56:42,849 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-29 00:56:42,849 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-29 00:56:42,850 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-29 00:56:42,850 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-29 00:56:42,850 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-29 00:56:42,850 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-29 00:56:42,851 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-29 00:56:42,851 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-29 00:56:42,851 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-29 00:56:42,851 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-29 00:56:42,851 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-29 00:56:42,852 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-29 00:56:42,852 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-29 00:56:42,852 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-29 00:56:42,852 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-29 00:56:42,852 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-29 00:56:42,853 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-29 00:56:42,853 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-29 00:56:42,853 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-29 00:56:42,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-29 00:56:42,853 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-29 00:56:42,854 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-29 00:56:42,854 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-29 00:56:42,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-29 00:56:42,901 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-29 00:56:42,905 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-29 00:56:42,906 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-29 00:56:42,907 INFO L276 PluginConnector]: CDTParser initialized [2018-01-29 00:56:42,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2018-01-29 00:56:43,111 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-29 00:56:43,117 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-29 00:56:43,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-29 00:56:43,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-29 00:56:43,123 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-29 00:56:43,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 12:56:43" (1/1) ... [2018-01-29 00:56:43,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408fc50a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:56:43, skipping insertion in model container [2018-01-29 00:56:43,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 12:56:43" (1/1) ... [2018-01-29 00:56:43,139 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 00:56:43,188 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 00:56:43,297 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 00:56:43,314 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 00:56:43,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:56:43 WrapperNode [2018-01-29 00:56:43,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-29 00:56:43,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-29 00:56:43,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-29 00:56:43,321 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-29 00:56:43,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:56:43" (1/1) ... [2018-01-29 00:56:43,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:56:43" (1/1) ... [2018-01-29 00:56:43,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:56:43" (1/1) ... [2018-01-29 00:56:43,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:56:43" (1/1) ... [2018-01-29 00:56:43,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:56:43" (1/1) ... [2018-01-29 00:56:43,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:56:43" (1/1) ... [2018-01-29 00:56:43,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:56:43" (1/1) ... [2018-01-29 00:56:43,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-29 00:56:43,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-29 00:56:43,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-29 00:56:43,352 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-29 00:56:43,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:56:43" (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 00:56:43,399 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-29 00:56:43,399 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-29 00:56:43,399 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-29 00:56:43,399 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-29 00:56:43,399 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-29 00:56:43,399 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-29 00:56:43,400 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-29 00:56:43,400 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-29 00:56:43,400 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-29 00:56:43,400 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-29 00:56:43,400 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-29 00:56:43,400 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-29 00:56:43,400 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-29 00:56:43,400 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-29 00:56:43,400 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-29 00:56:43,400 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-29 00:56:43,400 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-29 00:56:43,401 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-29 00:56:43,584 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-29 00:56:43,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:56:43 BoogieIcfgContainer [2018-01-29 00:56:43,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-29 00:56:43,585 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-29 00:56:43,585 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-29 00:56:43,586 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-29 00:56:43,588 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:56:43" (1/1) ... [2018-01-29 00:56:43,595 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-29 00:56:43,595 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_$Pointer$.base, #memory_$Pointer$.offset] [2018-01-29 00:56:43,596 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-29 00:56:43,650 INFO L218 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-29 00:56:43,697 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-29 00:56:47,497 INFO L311 AbstractInterpreter]: Visited 69 different actions 250 times. Merged at 43 different actions 127 times. Widened at 1 different actions 1 times. Found 27 fixpoints after 11 different actions. Largest state had 32 variables. [2018-01-29 00:56:47,500 INFO L226 apSepIcfgTransformer]: finished equality analysis [2018-01-29 00:56:47,514 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_$Pointer$.offset] : 2 [2018-01-29 00:56:47,514 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_$Pointer$.base] : 2 [2018-01-29 00:56:47,514 INFO L238 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-29 00:56:47,515 INFO L239 apSepIcfgTransformer]: array groups: Set: [#memory_$Pointer$.offset] [#memory_$Pointer$.base] [2018-01-29 00:56:47,515 INFO L241 apSepIcfgTransformer]: select infos: Set: ((select |v_#memory_$Pointer$.offset_7| v_entry_point_~array~7.base_7), at (SUMMARY for call write~$Pointer$(~p~7.base, ~p~7.offset, ~array~7.base, ~array~7.offset + ~i~7 * 4, 4); srcloc: L1448)) ((select (select |v_#memory_$Pointer$.base_5| v_entry_point_~array~7.base_1) (+ (* 4 v_entry_point_~j~7_3) v_entry_point_~array~7.offset_1)), at (SUMMARY for call #t~mem7.base, #t~mem7.offset := read~$Pointer$(~array~7.base, ~array~7.offset + ~j~7 * 4, 4); srcloc: L1453)) ((select |v_#memory_$Pointer$.base_7| v_entry_point_~array~7.base_7), at (SUMMARY for call write~$Pointer$(~p~7.base, ~p~7.offset, ~array~7.base, ~array~7.offset + ~i~7 * 4, 4); srcloc: L1448)) ((select (select |v_#memory_$Pointer$.offset_5| v_entry_point_~array~7.base_1) (+ (* 4 v_entry_point_~j~7_3) v_entry_point_~array~7.offset_1)), at (SUMMARY for call #t~mem7.base, #t~mem7.offset := read~$Pointer$(~array~7.base, ~array~7.offset + ~j~7 * 4, 4); srcloc: L1453)) [2018-01-29 00:56:47,519 INFO L544 PartitionManager]: partitioning result: [2018-01-29 00:56:47,519 INFO L549 PartitionManager]: location blocks for array group [#memory_$Pointer$.base] [2018-01-29 00:56:47,520 INFO L558 PartitionManager]: at dimension 0 [2018-01-29 00:56:47,520 INFO L559 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-29 00:56:47,520 INFO L560 PartitionManager]: # location blocks :1 [2018-01-29 00:56:47,520 INFO L558 PartitionManager]: at dimension 1 [2018-01-29 00:56:47,520 INFO L559 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-29 00:56:47,520 INFO L560 PartitionManager]: # location blocks :1 [2018-01-29 00:56:47,521 INFO L549 PartitionManager]: location blocks for array group [#memory_$Pointer$.offset] [2018-01-29 00:56:47,521 INFO L558 PartitionManager]: at dimension 0 [2018-01-29 00:56:47,521 INFO L559 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-29 00:56:47,521 INFO L560 PartitionManager]: # location blocks :1 [2018-01-29 00:56:47,521 INFO L558 PartitionManager]: at dimension 1 [2018-01-29 00:56:47,522 INFO L559 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-29 00:56:47,522 INFO L560 PartitionManager]: # location blocks :1 [2018-01-29 00:56:47,523 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-29 00:56:47,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 29.01 12:56:47 BasicIcfg [2018-01-29 00:56:47,540 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-29 00:56:47,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-29 00:56:47,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-29 00:56:47,636 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-29 00:56:47,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 12:56:43" (1/4) ... [2018-01-29 00:56:47,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0613a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 12:56:47, skipping insertion in model container [2018-01-29 00:56:47,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:56:43" (2/4) ... [2018-01-29 00:56:47,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0613a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 12:56:47, skipping insertion in model container [2018-01-29 00:56:47,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:56:43" (3/4) ... [2018-01-29 00:56:47,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0613a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 12:56:47, skipping insertion in model container [2018-01-29 00:56:47,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 29.01 12:56:47" (4/4) ... [2018-01-29 00:56:47,639 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-29 00:56:47,648 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-29 00:56:47,658 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-01-29 00:56:47,700 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-29 00:56:47,701 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-29 00:56:47,701 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-29 00:56:47,701 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-29 00:56:47,701 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-29 00:56:47,701 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-29 00:56:47,702 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-29 00:56:47,702 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-29 00:56:47,703 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-29 00:56:47,718 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-01-29 00:56:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-01-29 00:56:47,725 INFO L322 BasicCegarLoop]: Found error trace [2018-01-29 00:56:47,726 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-01-29 00:56:47,726 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-01-29 00:56:47,731 INFO L82 PathProgramCache]: Analyzing trace with hash 9456847, now seen corresponding path program 1 times [2018-01-29 00:56:47,733 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 00:56:47,734 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 00:56:47,800 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:56:47,800 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 00:56:47,800 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:56:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-29 00:56:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-29 00:56:47,854 INFO L389 BasicCegarLoop]: Counterexample might be feasible [2018-01-29 00:56:47,858 INFO L84 mationBacktranslator]: Skipped ATE [277] [277] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_9|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-29 00:56:47,858 INFO L84 mationBacktranslator]: Skipped ATE [283] [283] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-29 00:56:47,858 INFO L84 mationBacktranslator]: Skipped ATE [289] [289] 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 00:56:47,859 INFO L84 mationBacktranslator]: Skipped ATE [297] [297] 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 00:56:47,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 12:56:47 BasicIcfg [2018-01-29 00:56:47,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-29 00:56:47,865 INFO L168 Benchmark]: Toolchain (without parser) took 4753.61 ms. Allocated memory was 304.6 MB in the beginning and 742.4 MB in the end (delta: 437.8 MB). Free memory was 263.6 MB in the beginning and 707.7 MB in the end (delta: -444.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 00:56:47,866 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 304.6 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 00:56:47,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.58 ms. Allocated memory is still 304.6 MB. Free memory was 263.6 MB in the beginning and 249.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. [2018-01-29 00:56:47,867 INFO L168 Benchmark]: Boogie Preprocessor took 30.69 ms. Allocated memory is still 304.6 MB. Free memory was 249.6 MB in the beginning and 247.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-29 00:56:47,867 INFO L168 Benchmark]: RCFGBuilder took 232.43 ms. Allocated memory is still 304.6 MB. Free memory was 247.6 MB in the beginning and 231.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. [2018-01-29 00:56:47,867 INFO L168 Benchmark]: IcfgTransformer took 3955.53 ms. Allocated memory was 304.6 MB in the beginning and 570.9 MB in the end (delta: 266.3 MB). Free memory was 231.0 MB in the beginning and 333.0 MB in the end (delta: -101.9 MB). Peak memory consumption was 164.4 MB. Max. memory is 5.3 GB. [2018-01-29 00:56:47,868 INFO L168 Benchmark]: TraceAbstraction took 323.57 ms. Allocated memory was 570.9 MB in the beginning and 742.4 MB in the end (delta: 171.4 MB). Free memory was 333.0 MB in the beginning and 707.7 MB in the end (delta: -374.7 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 00:56:47,870 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 304.6 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 202.58 ms. Allocated memory is still 304.6 MB. Free memory was 263.6 MB in the beginning and 249.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.69 ms. Allocated memory is still 304.6 MB. Free memory was 249.6 MB in the beginning and 247.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 232.43 ms. Allocated memory is still 304.6 MB. Free memory was 247.6 MB in the beginning and 231.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. * IcfgTransformer took 3955.53 ms. Allocated memory was 304.6 MB in the beginning and 570.9 MB in the end (delta: 266.3 MB). Free memory was 231.0 MB in the beginning and 333.0 MB in the end (delta: -101.9 MB). Peak memory consumption was 164.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 323.57 ms. Allocated memory was 570.9 MB in the beginning and 742.4 MB in the end (delta: 171.4 MB). Free memory was 333.0 MB in the beginning and 707.7 MB in the end (delta: -374.7 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 56 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 186 LocStat_NO_SUPPORTING_DISEQUALITIES : 10 LocStat_NO_DISJUNCTIONS : -112 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 82 TransStat_MAX_WEQGRAPH_SIZE : 4 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 97 TransStat_NO_SUPPORTING_DISEQUALITIES : 15 TransStat_NO_DISJUNCTIONS : 87 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 2.095531 RENAME_VARIABLES(MILLISECONDS) : 0.022882 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.722546 PROJECTAWAY(MILLISECONDS) : 13.338257 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.115804 DISJOIN(MILLISECONDS) : 0.334851 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.041051 ADD_EQUALITY(MILLISECONDS) : 0.025136 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.032897 #CONJOIN_DISJUNCTIVE : 434 #RENAME_VARIABLES : 971 #UNFREEZE : 0 #CONJOIN : 667 #PROJECTAWAY : 663 #ADD_WEAK_EQUALITY : 8 #DISJOIN : 94 #RENAME_VARIABLES_DISJUNCTIVE : 928 #ADD_EQUALITY : 91 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 13 * 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$.offset] : 2 COUNT_ARRAY_READS for [#memory_$Pointer$.base] : 2 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1458]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1458. Possible FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 57 locations, 7 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=57occurred 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_test18_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-29_00-56-47-879.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-29_00-56-47-879.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-29_00-56-47-879.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-29_00-56-47-879.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-29_00-56-47-879.csv Received shutdown request...