java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/memsafety/test-0019_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a [2018-01-30 01:41:34,518 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-30 01:41:34,519 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-30 01:41:34,533 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-30 01:41:34,533 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-30 01:41:34,534 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-30 01:41:34,536 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-30 01:41:34,537 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-30 01:41:34,539 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-30 01:41:34,540 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-30 01:41:34,541 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-30 01:41:34,541 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-30 01:41:34,542 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-30 01:41:34,542 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-30 01:41:34,543 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-30 01:41:34,546 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-30 01:41:34,548 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-30 01:41:34,550 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-30 01:41:34,551 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-30 01:41:34,552 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-30 01:41:34,555 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-30 01:41:34,555 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-30 01:41:34,556 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-30 01:41:34,557 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-30 01:41:34,557 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-30 01:41:34,559 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-30 01:41:34,559 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-30 01:41:34,560 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-30 01:41:34,560 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-30 01:41:34,560 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-30 01:41:34,561 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-30 01:41:34,561 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 01:41:34,571 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-30 01:41:34,572 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-30 01:41:34,573 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-30 01:41:34,573 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-30 01:41:34,573 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-30 01:41:34,573 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-30 01:41:34,573 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-30 01:41:34,574 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-30 01:41:34,574 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-30 01:41:34,574 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-30 01:41:34,574 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-30 01:41:34,575 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-30 01:41:34,575 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-30 01:41:34,575 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-30 01:41:34,575 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-30 01:41:34,575 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-30 01:41:34,576 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-30 01:41:34,576 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-30 01:41:34,576 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-30 01:41:34,576 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-30 01:41:34,576 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-30 01:41:34,576 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-30 01:41:34,577 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-30 01:41:34,577 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-30 01:41:34,577 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-30 01:41:34,577 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-30 01:41:34,577 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-30 01:41:34,578 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-30 01:41:34,578 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-30 01:41:34,578 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-30 01:41:34,578 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-30 01:41:34,578 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-30 01:41:34,579 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-30 01:41:34,579 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-30 01:41:34,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-30 01:41:34,636 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-30 01:41:34,641 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-30 01:41:34,642 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-30 01:41:34,643 INFO L276 PluginConnector]: CDTParser initialized [2018-01-30 01:41:34,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0019_true-valid-memsafety_true-termination.i [2018-01-30 01:41:34,842 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-30 01:41:34,848 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-30 01:41:34,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-30 01:41:34,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-30 01:41:34,971 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-30 01:41:34,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 01:41:34" (1/1) ... [2018-01-30 01:41:34,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250a961a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:41:34, skipping insertion in model container [2018-01-30 01:41:34,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 01:41:34" (1/1) ... [2018-01-30 01:41:34,992 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 01:41:35,031 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 01:41:35,141 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 01:41:35,162 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 01:41:35,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:41:35 WrapperNode [2018-01-30 01:41:35,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-30 01:41:35,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-30 01:41:35,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-30 01:41:35,173 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-30 01:41:35,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:41:35" (1/1) ... [2018-01-30 01:41:35,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:41:35" (1/1) ... [2018-01-30 01:41:35,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:41:35" (1/1) ... [2018-01-30 01:41:35,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:41:35" (1/1) ... [2018-01-30 01:41:35,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:41:35" (1/1) ... [2018-01-30 01:41:35,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:41:35" (1/1) ... [2018-01-30 01:41:35,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:41:35" (1/1) ... [2018-01-30 01:41:35,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-30 01:41:35,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-30 01:41:35,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-30 01:41:35,226 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-30 01:41:35,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:41:35" (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 01:41:35,290 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-30 01:41:35,290 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-30 01:41:35,290 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_data [2018-01-30 01:41:35,290 INFO L136 BoogieDeclarations]: Found implementation of procedure free_data [2018-01-30 01:41:35,291 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-30 01:41:35,291 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-30 01:41:35,291 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-30 01:41:35,291 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-30 01:41:35,291 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-30 01:41:35,291 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-30 01:41:35,292 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-30 01:41:35,292 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-30 01:41:35,292 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_data [2018-01-30 01:41:35,292 INFO L128 BoogieDeclarations]: Found specification of procedure free_data [2018-01-30 01:41:35,292 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-30 01:41:35,292 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-30 01:41:35,292 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-30 01:41:35,514 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-30 01:41:35,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 01:41:35 BoogieIcfgContainer [2018-01-30 01:41:35,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-30 01:41:35,515 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-30 01:41:35,515 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-30 01:41:35,516 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-30 01:41:35,519 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 01:41:35" (1/1) ... [2018-01-30 01:41:35,529 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-30 01:41:35,529 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_$Pointer$.base, #memory_$Pointer$.offset] [2018-01-30 01:41:35,530 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-30 01:41:35,577 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 11 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-30 01:41:35,619 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-30 01:41:35,670 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-30 01:41:40,542 INFO L311 AbstractInterpreter]: Visited 52 different actions 67 times. Merged at 10 different actions 15 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 57 variables. [2018-01-30 01:41:40,545 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-30 01:41:40,557 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_$Pointer$.offset] : 4 [2018-01-30 01:41:40,558 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_$Pointer$.base] : 4 [2018-01-30 01:41:40,558 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-30 01:41:40,558 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_$Pointer$.offset] [#memory_$Pointer$.base] [2018-01-30 01:41:40,559 INFO L244 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_$Pointer$.base_9| |v_main_~#data~5.base_3|) |v_main_~#data~5.offset_3|), at (SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~#data~5.base, ~#data~5.offset + 0, 4); srcloc: L639)) ((select |v_#memory_$Pointer$.base_6| v_alloc_data_~pdata.base_5), at (SUMMARY for call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~pdata.base, ~pdata.offset + 4, 4); srcloc: L626)) ((select (select |v_#memory_$Pointer$.offset_10| |v_main_~#data~5.base_6|) (+ |v_main_~#data~5.offset_5| 4)), at (SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~#data~5.base, ~#data~5.offset + 4, 4); srcloc: L640)) ((select (select |v_#memory_$Pointer$.offset_9| |v_main_~#data~5.base_3|) |v_main_~#data~5.offset_3|), at (SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~#data~5.base, ~#data~5.offset + 0, 4); srcloc: L639)) ((select |v_#memory_$Pointer$.base_4| v_alloc_data_~pdata.base_2), at (SUMMARY for call write~$Pointer$(#t~malloc0.base, #t~malloc0.offset, ~pdata.base, ~pdata.offset + 0, 4); srcloc: L625')) ((select |v_#memory_$Pointer$.offset_6| v_alloc_data_~pdata.base_5), at (SUMMARY for call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~pdata.base, ~pdata.offset + 4, 4); srcloc: L626)) ((select |v_#memory_$Pointer$.offset_4| v_alloc_data_~pdata.base_2), at (SUMMARY for call write~$Pointer$(#t~malloc0.base, #t~malloc0.offset, ~pdata.base, ~pdata.offset + 0, 4); srcloc: L625')) ((select (select |v_#memory_$Pointer$.base_10| |v_main_~#data~5.base_6|) (+ |v_main_~#data~5.offset_5| 4)), at (SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~#data~5.base, ~#data~5.offset + 4, 4); srcloc: L640)) [2018-01-30 01:41:40,563 INFO L547 PartitionManager]: partitioning result: [2018-01-30 01:41:40,564 INFO L552 PartitionManager]: location blocks for array group [#memory_$Pointer$.base] [2018-01-30 01:41:40,564 INFO L561 PartitionManager]: at dimension 0 [2018-01-30 01:41:40,564 INFO L562 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-01-30 01:41:40,564 INFO L563 PartitionManager]: # location blocks :2 [2018-01-30 01:41:40,565 INFO L561 PartitionManager]: at dimension 1 [2018-01-30 01:41:40,565 INFO L562 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-01-30 01:41:40,565 INFO L563 PartitionManager]: # location blocks :2 [2018-01-30 01:41:40,565 INFO L552 PartitionManager]: location blocks for array group [#memory_$Pointer$.offset] [2018-01-30 01:41:40,565 INFO L561 PartitionManager]: at dimension 0 [2018-01-30 01:41:40,565 INFO L562 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 2 [2018-01-30 01:41:40,566 INFO L563 PartitionManager]: # location blocks :2 [2018-01-30 01:41:40,566 INFO L561 PartitionManager]: at dimension 1 [2018-01-30 01:41:40,567 INFO L562 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-01-30 01:41:40,567 INFO L563 PartitionManager]: # location blocks :2 [2018-01-30 01:41:40,568 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-30 01:41:40,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 01:41:40 BasicIcfg [2018-01-30 01:41:40,589 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-30 01:41:40,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-30 01:41:40,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-30 01:41:40,593 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-30 01:41:40,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 01:41:34" (1/4) ... [2018-01-30 01:41:40,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e4498b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 01:41:40, skipping insertion in model container [2018-01-30 01:41:40,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:41:35" (2/4) ... [2018-01-30 01:41:40,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e4498b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 01:41:40, skipping insertion in model container [2018-01-30 01:41:40,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 01:41:35" (3/4) ... [2018-01-30 01:41:40,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e4498b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 01:41:40, skipping insertion in model container [2018-01-30 01:41:40,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 01:41:40" (4/4) ... [2018-01-30 01:41:40,597 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-30 01:41:40,606 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-30 01:41:40,614 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-01-30 01:41:40,732 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-30 01:41:40,733 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-30 01:41:40,733 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-30 01:41:40,733 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-30 01:41:40,733 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-30 01:41:40,733 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-30 01:41:40,734 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-30 01:41:40,734 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-30 01:41:40,734 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-30 01:41:40,748 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-01-30 01:41:40,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-01-30 01:41:40,754 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 01:41:40,755 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-01-30 01:41:40,756 INFO L371 AbstractCegarLoop]: === Iteration 1 === [alloc_dataErr2RequiresViolation, alloc_dataErr0RequiresViolation, alloc_dataErr1RequiresViolation, alloc_dataErr3RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation, free_dataErr3RequiresViolation, free_dataErr1RequiresViolation, free_dataErr2RequiresViolation, free_dataErr0RequiresViolation]=== [2018-01-30 01:41:40,761 INFO L82 PathProgramCache]: Analyzing trace with hash 228269694, now seen corresponding path program 1 times [2018-01-30 01:41:40,763 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 01:41:40,763 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 01:41:40,821 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 01:41:40,821 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 01:41:40,821 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 01:41:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-30 01:41:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-30 01:41:40,892 INFO L409 BasicCegarLoop]: Counterexample might be feasible [2018-01-30 01:41:40,895 INFO L84 mationBacktranslator]: Skipped ATE [209] [209] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-30 01:41:40,896 INFO L84 mationBacktranslator]: Skipped ATE [215] [215] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-30 01:41:40,896 INFO L84 mationBacktranslator]: Skipped ATE [221] [221] mainENTRY-->L638: Formula: (and (= |v_#valid_15| (store |v_#valid_16| |v_main_~#data~5.base_1| 1)) (= |v_main_~#data~5.offset_1| 0) (= (select |v_#valid_16| |v_main_~#data~5.base_1|) 0) (= |v_#length_11| (store |v_#length_12| |v_main_~#data~5.base_1| 8)) (not (= 0 |v_main_~#data~5.base_1|))) InVars {#length=|v_#length_12|, #valid=|v_#valid_16|} OutVars{main_~#data~5.offset=|v_main_~#data~5.offset_1|, #length=|v_#length_11|, main_~#data~5.base=|v_main_~#data~5.base_1|, #valid=|v_#valid_15|} AuxVars[] AssignedVars[main_~#data~5.offset, main_~#data~5.base, #valid, #length] [2018-01-30 01:41:40,896 INFO L84 mationBacktranslator]: Skipped ATE [225] [225] L638-->L639: Formula: true InVars {} OutVars{#length=|v_#length_13|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_7|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_7|, #valid=|v_#valid_17|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #valid, #length, #memory_$Pointer$.offset] [2018-01-30 01:41:40,896 INFO L84 mationBacktranslator]: Skipped ATE [233] [233] L639-->mainErr0RequiresViolation: Formula: (not (= (select |v_#valid_20| |v_main_~#data~5.base_4|) 1)) InVars {#valid=|v_#valid_20|, main_~#data~5.base=|v_main_~#data~5.base_4|} OutVars{#valid=|v_#valid_20|, main_~#data~5.base=|v_main_~#data~5.base_4|} AuxVars[] AssignedVars[] [2018-01-30 01:41:40,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 01:41:40 BasicIcfg [2018-01-30 01:41:40,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-30 01:41:40,904 INFO L168 Benchmark]: Toolchain (without parser) took 6062.29 ms. Allocated memory was 305.7 MB in the beginning and 900.2 MB in the end (delta: 594.5 MB). Free memory was 265.7 MB in the beginning and 869.6 MB in the end (delta: -603.9 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 01:41:40,905 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 305.7 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 01:41:40,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.45 ms. Allocated memory is still 305.7 MB. Free memory was 264.7 MB in the beginning and 254.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-30 01:41:40,906 INFO L168 Benchmark]: Boogie Preprocessor took 53.02 ms. Allocated memory is still 305.7 MB. Free memory was 254.6 MB in the beginning and 252.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-30 01:41:40,906 INFO L168 Benchmark]: RCFGBuilder took 289.15 ms. Allocated memory is still 305.7 MB. Free memory was 252.6 MB in the beginning and 235.1 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. [2018-01-30 01:41:40,906 INFO L168 Benchmark]: IcfgTransformer took 5074.01 ms. Allocated memory was 305.7 MB in the beginning and 720.9 MB in the end (delta: 415.2 MB). Free memory was 235.1 MB in the beginning and 681.8 MB in the end (delta: -446.7 MB). Peak memory consumption was 471.2 MB. Max. memory is 5.3 GB. [2018-01-30 01:41:40,907 INFO L168 Benchmark]: TraceAbstraction took 313.68 ms. Allocated memory was 720.9 MB in the beginning and 900.2 MB in the end (delta: 179.3 MB). Free memory was 681.8 MB in the beginning and 869.6 MB in the end (delta: -187.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 01:41:40,909 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 305.7 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 206.45 ms. Allocated memory is still 305.7 MB. Free memory was 264.7 MB in the beginning and 254.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 53.02 ms. Allocated memory is still 305.7 MB. Free memory was 254.6 MB in the beginning and 252.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 289.15 ms. Allocated memory is still 305.7 MB. Free memory was 252.6 MB in the beginning and 235.1 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. * IcfgTransformer took 5074.01 ms. Allocated memory was 305.7 MB in the beginning and 720.9 MB in the end (delta: 415.2 MB). Free memory was 235.1 MB in the beginning and 681.8 MB in the end (delta: -446.7 MB). Peak memory consumption was 471.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 313.68 ms. Allocated memory was 720.9 MB in the beginning and 900.2 MB in the end (delta: 179.3 MB). Free memory was 681.8 MB in the beginning and 869.6 MB in the end (delta: -187.8 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 : 44 LocStat_MAX_WEQGRAPH_SIZE : 6 LocStat_MAX_SIZEOF_WEQEDGELABEL : 4 LocStat_NO_SUPPORTING_EQUALITIES : 1082 LocStat_NO_SUPPORTING_DISEQUALITIES : 643 LocStat_NO_DISJUNCTIONS : -88 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 64 TransStat_MAX_WEQGRAPH_SIZE : 4 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 199 TransStat_NO_SUPPORTING_DISEQUALITIES : 29 TransStat_NO_DISJUNCTIONS : 75 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.039188 RENAME_VARIABLES(MILLISECONDS) : 0.602289 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.002232 PROJECTAWAY(MILLISECONDS) : 1.817060 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.088176 DISJOIN(MILLISECONDS) : 4.468741 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.640140 ADD_EQUALITY(MILLISECONDS) : 0.025698 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.009381 #CONJOIN_DISJUNCTIVE : 123 #RENAME_VARIABLES : 234 #UNFREEZE : 0 #CONJOIN : 352 #PROJECTAWAY : 201 #ADD_WEAK_EQUALITY : 18 #DISJOIN : 24 #RENAME_VARIABLES_DISJUNCTIVE : 211 #ADD_EQUALITY : 181 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 18 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_$Pointer$.base] : 4 #COUNT_NEW_ARRAY_VARS_[#memory_$Pointer$.offset] : 4 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.offset]_at_dim_0 : 2 COUNT_BLOCKS_for_[#memory_$Pointer$.offset]_at_dim_0 : 2 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.offset]_at_dim_1 : 3 COUNT_BLOCKS_for_[#memory_$Pointer$.offset]_at_dim_1 : 2 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.base]_at_dim_0 : 2 COUNT_BLOCKS_for_[#memory_$Pointer$.base]_at_dim_0 : 2 COUNT_ARRAY_WRITES_for_[#memory_$Pointer$.base]_at_dim_1 : 3 COUNT_BLOCKS_for_[#memory_$Pointer$.base]_at_dim_1 : 2 COUNT_ARRAY_READS for [#memory_$Pointer$.offset] : 4 COUNT_ARRAY_READS for [#memory_$Pointer$.base] : 4 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 48 locations, 13 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=48occurred 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, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-30_01-41-40-920.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-30_01-41-40-920.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-30_01-41-40-920.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-30_01-41-40-920.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-30_01-41-40-920.csv Received shutdown request...