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/array-memsafety/diff_usafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 09:25:37,857 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 09:25:37,859 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 09:25:37,876 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 09:25:37,877 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 09:25:37,878 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 09:25:37,879 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 09:25:37,881 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 09:25:37,883 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 09:25:37,884 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 09:25:37,885 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 09:25:37,885 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 09:25:37,886 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 09:25:37,888 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 09:25:37,891 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 09:25:37,894 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 09:25:37,896 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 09:25:37,898 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 09:25:37,899 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 09:25:37,900 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 09:25:37,903 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 09:25:37,903 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 09:25:37,903 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 09:25:37,904 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 09:25:37,905 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 09:25:37,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 09:25:37,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 09:25:37,907 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 09:25:37,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 09:25:37,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 09:25:37,909 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 09:25:37,909 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-31 09:25:37,920 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 09:25:37,920 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 09:25:37,921 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 09:25:37,921 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 09:25:37,922 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 09:25:37,922 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 09:25:37,922 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 09:25:37,923 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 09:25:37,923 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 09:25:37,923 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 09:25:37,923 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 09:25:37,924 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 09:25:37,924 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 09:25:37,924 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 09:25:37,924 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 09:25:37,924 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 09:25:37,925 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 09:25:37,925 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 09:25:37,925 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 09:25:37,925 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 09:25:37,926 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 09:25:37,926 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 09:25:37,926 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 09:25:37,926 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:25:37,927 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 09:25:37,927 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 09:25:37,927 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 09:25:37,927 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 09:25:37,927 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 09:25:37,928 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 09:25:37,928 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 09:25:37,928 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 09:25:37,929 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 09:25:37,929 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 09:25:37,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 09:25:37,976 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 09:25:37,979 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 09:25:37,980 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 09:25:37,980 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 09:25:37,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/diff_usafe_false-valid-deref.i [2018-01-31 09:25:38,128 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 09:25:38,136 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-31 09:25:38,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 09:25:38,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 09:25:38,149 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 09:25:38,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:25:38" (1/1) ... [2018-01-31 09:25:38,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252478b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:25:38, skipping insertion in model container [2018-01-31 09:25:38,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:25:38" (1/1) ... [2018-01-31 09:25:38,174 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:25:38,195 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:25:38,349 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:25:38,374 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:25:38,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:25:38 WrapperNode [2018-01-31 09:25:38,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 09:25:38,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 09:25:38,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 09:25:38,385 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 09:25:38,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:25:38" (1/1) ... [2018-01-31 09:25:38,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:25:38" (1/1) ... [2018-01-31 09:25:38,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:25:38" (1/1) ... [2018-01-31 09:25:38,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:25:38" (1/1) ... [2018-01-31 09:25:38,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:25:38" (1/1) ... [2018-01-31 09:25:38,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:25:38" (1/1) ... [2018-01-31 09:25:38,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:25:38" (1/1) ... [2018-01-31 09:25:38,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 09:25:38,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 09:25:38,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 09:25:38,433 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 09:25:38,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:25:38" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:25:38,506 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 09:25:38,506 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 09:25:38,507 INFO L136 BoogieDeclarations]: Found implementation of procedure diff [2018-01-31 09:25:38,507 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 09:25:38,507 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 09:25:38,507 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 09:25:38,507 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 09:25:38,507 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 09:25:38,507 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 09:25:38,508 INFO L128 BoogieDeclarations]: Found specification of procedure diff [2018-01-31 09:25:38,508 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 09:25:38,509 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 09:25:38,509 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 09:25:39,022 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 09:25:39,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:25:39 BoogieIcfgContainer [2018-01-31 09:25:39,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 09:25:39,024 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-31 09:25:39,024 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-31 09:25:39,025 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-31 09:25:39,029 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:25:39" (1/1) ... [2018-01-31 09:25:39,038 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-31 09:25:39,039 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-01-31 09:25:39,039 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-31 09:25:39,078 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 3 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-31 09:25:39,115 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-31 09:25:39,181 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 09:25:45,909 INFO L314 AbstractInterpreter]: Visited 77 different actions 256 times. Merged at 40 different actions 143 times. Widened at 3 different actions 3 times. Found 29 fixpoints after 16 different actions. Largest state had 47 variables. [2018-01-31 09:25:45,914 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-31 09:25:45,930 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 4 [2018-01-31 09:25:45,931 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-31 09:25:45,931 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-01-31 09:25:45,932 INFO L244 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_int_4| v_diff_~B.base_2) (+ v_diff_~B.offset_2 (* 4 v_diff_~j~3_4))), at (SUMMARY for call #t~mem1 := read~int(~B.base, ~B.offset + ~j~3 * 4, 4); srcloc: L13')) ((select (select |v_#memory_int_5| v_diff_~A.base_5) (+ v_diff_~A.offset_4 (* 4 v_diff_~i~2_6))), at (SUMMARY for call #t~mem4 := read~int(~A.base, ~A.offset + ~i~2 * 4, 4); srcloc: L20)) ((select |v_#memory_int_7| v_diff_~D.base_2), at (SUMMARY for call write~int(#t~mem4, ~D.base, ~D.offset + ~k~2 * 4, 4); srcloc: L20')) ((select (select |v_#memory_int_3| v_diff_~A.base_2) (+ v_diff_~A.offset_2 (* 4 v_diff_~i~2_4))), at (SUMMARY for call #t~mem0 := read~int(~A.base, ~A.offset + ~i~2 * 4, 4); srcloc: L13)) [2018-01-31 09:25:45,943 INFO L547 PartitionManager]: partitioning result: [2018-01-31 09:25:45,944 INFO L552 PartitionManager]: location blocks for array group [#memory_int] [2018-01-31 09:25:45,944 INFO L562 PartitionManager]: at dimension 0 [2018-01-31 09:25:45,944 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-31 09:25:45,944 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 09:25:45,945 INFO L562 PartitionManager]: at dimension 1 [2018-01-31 09:25:45,945 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-31 09:25:45,945 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 09:25:45,946 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-31 09:25:45,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:25:45 BasicIcfg [2018-01-31 09:25:45,983 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-31 09:25:45,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 09:25:45,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 09:25:45,987 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 09:25:45,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:25:38" (1/4) ... [2018-01-31 09:25:45,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b307ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:25:45, skipping insertion in model container [2018-01-31 09:25:45,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:25:38" (2/4) ... [2018-01-31 09:25:45,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b307ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:25:45, skipping insertion in model container [2018-01-31 09:25:45,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:25:39" (3/4) ... [2018-01-31 09:25:45,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b307ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:25:45, skipping insertion in model container [2018-01-31 09:25:45,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:25:45" (4/4) ... [2018-01-31 09:25:45,992 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-31 09:25:46,002 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 09:25:46,009 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-01-31 09:25:46,134 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 09:25:46,134 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 09:25:46,171 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 09:25:46,172 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 09:25:46,172 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 09:25:46,172 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 09:25:46,172 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 09:25:46,172 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 09:25:46,173 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 09:25:46,188 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-01-31 09:25:46,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-31 09:25:46,195 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:25:46,196 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:25:46,196 INFO L371 AbstractCegarLoop]: === Iteration 1 === [diffErr2RequiresViolation, diffErr4RequiresViolation, diffErr0RequiresViolation, diffErr6RequiresViolation, diffErr5RequiresViolation, diffErr1RequiresViolation, diffErr3RequiresViolation, diffErr7RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 09:25:46,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1950834937, now seen corresponding path program 1 times [2018-01-31 09:25:46,203 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:25:46,203 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:25:46,259 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:25:46,259 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:25:46,259 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:25:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:25:46,306 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:25:46,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:25:46,340 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:25:46,341 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-01-31 09:25:46,342 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-31 09:25:46,353 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-31 09:25:46,354 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-31 09:25:46,356 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2018-01-31 09:25:46,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:25:46,379 INFO L93 Difference]: Finished difference Result 111 states and 125 transitions. [2018-01-31 09:25:46,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-31 09:25:46,382 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-01-31 09:25:46,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:25:46,398 INFO L225 Difference]: With dead ends: 111 [2018-01-31 09:25:46,399 INFO L226 Difference]: Without dead ends: 61 [2018-01-31 09:25:46,403 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-31 09:25:46,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-01-31 09:25:46,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-01-31 09:25:46,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-01-31 09:25:46,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2018-01-31 09:25:46,445 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 14 [2018-01-31 09:25:46,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:25:46,446 INFO L432 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2018-01-31 09:25:46,446 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-31 09:25:46,446 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2018-01-31 09:25:46,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-31 09:25:46,447 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:25:46,448 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:25:46,448 INFO L371 AbstractCegarLoop]: === Iteration 2 === [diffErr2RequiresViolation, diffErr4RequiresViolation, diffErr0RequiresViolation, diffErr6RequiresViolation, diffErr5RequiresViolation, diffErr1RequiresViolation, diffErr3RequiresViolation, diffErr7RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 09:25:46,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1518494272, now seen corresponding path program 1 times [2018-01-31 09:25:46,448 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:25:46,448 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:25:46,449 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:25:46,449 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:25:46,449 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:25:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:25:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:25:46,530 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-01-31 09:25:46,534 INFO L84 mationBacktranslator]: Skipped ATE [309] [309] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-31 09:25:46,534 INFO L84 mationBacktranslator]: Skipped ATE [315] [315] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:25:46,535 INFO L84 mationBacktranslator]: Skipped ATE [321] [321] mainENTRY-->L28: Formula: true InVars {} OutVars{main_~A~8.base=v_main_~A~8.base_1, main_~A~8.offset=v_main_~A~8.offset_1} AuxVars[] AssignedVars[main_~A~8.base, main_~A~8.offset] [2018-01-31 09:25:46,535 INFO L84 mationBacktranslator]: Skipped ATE [325] [325] L28-->L28': Formula: (and (<= |v_main_#t~nondet7_1| 2147483647) (<= 0 (+ |v_main_#t~nondet7_1| 2147483648))) InVars {main_#t~nondet7=|v_main_#t~nondet7_1|} OutVars{main_#t~nondet7=|v_main_#t~nondet7_1|} AuxVars[] AssignedVars[] [2018-01-31 09:25:46,535 INFO L84 mationBacktranslator]: Skipped ATE [329] [329] L28'-->L28'': Formula: (= v_main_~Alen~8_1 |v_main_#t~nondet7_2|) InVars {main_#t~nondet7=|v_main_#t~nondet7_2|} OutVars{main_#t~nondet7=|v_main_#t~nondet7_2|, main_~Alen~8=v_main_~Alen~8_1} AuxVars[] AssignedVars[main_~Alen~8] [2018-01-31 09:25:46,535 INFO L84 mationBacktranslator]: Skipped ATE [331] [331] L28''-->L29: Formula: true InVars {} OutVars{main_#t~nondet7=|v_main_#t~nondet7_3|} AuxVars[] AssignedVars[main_#t~nondet7] [2018-01-31 09:25:46,535 INFO L84 mationBacktranslator]: Skipped ATE [333] [333] L29-->L30: Formula: true InVars {} OutVars{main_~B~8.base=v_main_~B~8.base_1, main_~B~8.offset=v_main_~B~8.offset_1} AuxVars[] AssignedVars[main_~B~8.base, main_~B~8.offset] [2018-01-31 09:25:46,536 INFO L84 mationBacktranslator]: Skipped ATE [335] [335] L30-->L30': Formula: (and (<= 0 (+ |v_main_#t~nondet8_1| 2147483648)) (<= |v_main_#t~nondet8_1| 2147483647)) InVars {main_#t~nondet8=|v_main_#t~nondet8_1|} OutVars{main_#t~nondet8=|v_main_#t~nondet8_1|} AuxVars[] AssignedVars[] [2018-01-31 09:25:46,536 INFO L84 mationBacktranslator]: Skipped ATE [337] [337] L30'-->L30'': Formula: (= v_main_~Blen~8_1 |v_main_#t~nondet8_2|) InVars {main_#t~nondet8=|v_main_#t~nondet8_2|} OutVars{main_~Blen~8=v_main_~Blen~8_1, main_#t~nondet8=|v_main_#t~nondet8_2|} AuxVars[] AssignedVars[main_~Blen~8] [2018-01-31 09:25:46,536 INFO L84 mationBacktranslator]: Skipped ATE [339] [339] L30''-->L31: Formula: true InVars {} OutVars{main_#t~nondet8=|v_main_#t~nondet8_3|} AuxVars[] AssignedVars[main_#t~nondet8] [2018-01-31 09:25:46,536 INFO L84 mationBacktranslator]: Skipped ATE [341] [341] L31-->L32: Formula: true InVars {} OutVars{main_~D~8.offset=v_main_~D~8.offset_1, main_~D~8.base=v_main_~D~8.base_1} AuxVars[] AssignedVars[main_~D~8.offset, main_~D~8.base] [2018-01-31 09:25:46,536 INFO L84 mationBacktranslator]: Skipped ATE [345] [345] L32-->diffENTRY: Formula: (and (= |v_diff_#in~D.offsetInParam_1| v_main_~D~8.offset_3) (= |v_diff_#in~B.offsetInParam_1| v_main_~B~8.offset_3) (= |v_diff_#in~BlenInParam_1| v_main_~Blen~8_3) (= |v_diff_#in~A.baseInParam_1| v_main_~A~8.base_3) (= |v_diff_#in~AlenInParam_1| v_main_~Alen~8_3) (= |v_diff_#in~A.offsetInParam_1| v_main_~A~8.offset_3) (= |v_diff_#in~B.baseInParam_1| v_main_~B~8.base_3) (= |v_diff_#in~D.baseInParam_1| v_main_~D~8.base_3)) InVars {main_~A~8.base=v_main_~A~8.base_3, main_~D~8.offset=v_main_~D~8.offset_3, main_~Blen~8=v_main_~Blen~8_3, main_~B~8.base=v_main_~B~8.base_3, main_~B~8.offset=v_main_~B~8.offset_3, main_~A~8.offset=v_main_~A~8.offset_3, main_~Alen~8=v_main_~Alen~8_3, main_~D~8.base=v_main_~D~8.base_3} OutVars{diff_#in~D.offset=|v_diff_#in~D.offsetInParam_1|, diff_#in~A.offset=|v_diff_#in~A.offsetInParam_1|, diff_#in~Alen=|v_diff_#in~AlenInParam_1|, diff_#in~A.base=|v_diff_#in~A.baseInParam_1|, diff_#in~B.offset=|v_diff_#in~B.offsetInParam_1|, diff_#in~Blen=|v_diff_#in~BlenInParam_1|, diff_#in~B.base=|v_diff_#in~B.baseInParam_1|, diff_#in~D.base=|v_diff_#in~D.baseInParam_1|} AuxVars[] AssignedVars[diff_#in~D.offset, diff_#in~A.offset, diff_#in~Alen, diff_#in~A.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~B.base, diff_#in~D.base] [2018-01-31 09:25:46,536 INFO L84 mationBacktranslator]: Skipped ATE [349] [349] diffENTRY-->L2: Formula: (and (= v_diff_~A.base_1 |v_diff_#in~A.base_1|) (= v_diff_~A.offset_1 |v_diff_#in~A.offset_1|)) InVars {diff_#in~A.base=|v_diff_#in~A.base_1|, diff_#in~A.offset=|v_diff_#in~A.offset_1|} OutVars{diff_#in~A.offset=|v_diff_#in~A.offset_1|, diff_~A.base=v_diff_~A.base_1, diff_#in~A.base=|v_diff_#in~A.base_1|, diff_~A.offset=v_diff_~A.offset_1} AuxVars[] AssignedVars[diff_~A.base, diff_~A.offset] [2018-01-31 09:25:46,537 INFO L84 mationBacktranslator]: Skipped ATE [355] [355] L2-->L2': Formula: (= v_diff_~Alen_1 |v_diff_#in~Alen_1|) InVars {diff_#in~Alen=|v_diff_#in~Alen_1|} OutVars{diff_~Alen=v_diff_~Alen_1, diff_#in~Alen=|v_diff_#in~Alen_1|} AuxVars[] AssignedVars[diff_~Alen] [2018-01-31 09:25:46,537 INFO L84 mationBacktranslator]: Skipped ATE [357] [357] L2'-->L2'': Formula: (and (= v_diff_~B.base_1 |v_diff_#in~B.base_1|) (= v_diff_~B.offset_1 |v_diff_#in~B.offset_1|)) InVars {diff_#in~B.offset=|v_diff_#in~B.offset_1|, diff_#in~B.base=|v_diff_#in~B.base_1|} OutVars{diff_~B.base=v_diff_~B.base_1, diff_#in~B.base=|v_diff_#in~B.base_1|, diff_#in~B.offset=|v_diff_#in~B.offset_1|, diff_~B.offset=v_diff_~B.offset_1} AuxVars[] AssignedVars[diff_~B.offset, diff_~B.base] [2018-01-31 09:25:46,537 INFO L84 mationBacktranslator]: Skipped ATE [359] [359] L2''-->L2''': Formula: (= v_diff_~Blen_1 |v_diff_#in~Blen_1|) InVars {diff_#in~Blen=|v_diff_#in~Blen_1|} OutVars{diff_~Blen=v_diff_~Blen_1, diff_#in~Blen=|v_diff_#in~Blen_1|} AuxVars[] AssignedVars[diff_~Blen] [2018-01-31 09:25:46,537 INFO L84 mationBacktranslator]: Skipped ATE [361] [361] L2'''-->L4: Formula: (and (= v_diff_~D.offset_1 |v_diff_#in~D.offset_1|) (= v_diff_~D.base_1 |v_diff_#in~D.base_1|)) InVars {diff_#in~D.offset=|v_diff_#in~D.offset_1|, diff_#in~D.base=|v_diff_#in~D.base_1|} OutVars{diff_#in~D.offset=|v_diff_#in~D.offset_1|, diff_#in~D.base=|v_diff_#in~D.base_1|, diff_~D.offset=v_diff_~D.offset_1, diff_~D.base=v_diff_~D.base_1} AuxVars[] AssignedVars[diff_~D.offset, diff_~D.base] [2018-01-31 09:25:46,537 INFO L84 mationBacktranslator]: Skipped ATE [363] [363] L4-->L5: Formula: (= v_diff_~k~2_1 0) InVars {} OutVars{diff_~k~2=v_diff_~k~2_1} AuxVars[] AssignedVars[diff_~k~2] [2018-01-31 09:25:46,537 INFO L84 mationBacktranslator]: Skipped ATE [365] [365] L5-->L6: Formula: (= v_diff_~i~2_1 0) InVars {} OutVars{diff_~i~2=v_diff_~i~2_1} AuxVars[] AssignedVars[diff_~i~2] [2018-01-31 09:25:46,538 INFO L84 mationBacktranslator]: Skipped ATE [367] [367] L6-->L7: Formula: (= v_diff_~l1~2_1 v_diff_~Alen_2) InVars {diff_~Alen=v_diff_~Alen_2} OutVars{diff_~Alen=v_diff_~Alen_2, diff_~l1~2=v_diff_~l1~2_1} AuxVars[] AssignedVars[diff_~l1~2] [2018-01-31 09:25:46,538 INFO L84 mationBacktranslator]: Skipped ATE [369] [369] L7-->L8: Formula: (= v_diff_~l2~2_1 v_diff_~Blen_2) InVars {diff_~Blen=v_diff_~Blen_2} OutVars{diff_~l2~2=v_diff_~l2~2_1, diff_~Blen=v_diff_~Blen_2} AuxVars[] AssignedVars[diff_~l2~2] [2018-01-31 09:25:46,538 INFO L84 mationBacktranslator]: Skipped ATE [371] [371] L8-->L9'': Formula: true InVars {} OutVars{diff_~found~2=v_diff_~found~2_1} AuxVars[] AssignedVars[diff_~found~2] [2018-01-31 09:25:46,538 INFO L84 mationBacktranslator]: Skipped ATE [373] [373] L9''-->L9: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:25:46,538 INFO L84 mationBacktranslator]: Skipped ATE [379] [379] L9-->L10: Formula: (< v_diff_~i~2_3 v_diff_~l1~2_3) InVars {diff_~i~2=v_diff_~i~2_3, diff_~l1~2=v_diff_~l1~2_3} OutVars{diff_~i~2=v_diff_~i~2_3, diff_~l1~2=v_diff_~l1~2_3} AuxVars[] AssignedVars[] [2018-01-31 09:25:46,538 INFO L84 mationBacktranslator]: Skipped ATE [383] [383] L10-->L11: Formula: (= v_diff_~j~3_1 0) InVars {} OutVars{diff_~j~3=v_diff_~j~3_1} AuxVars[] AssignedVars[diff_~j~3] [2018-01-31 09:25:46,539 INFO L84 mationBacktranslator]: Skipped ATE [385] [385] L11-->L13'''''''': Formula: (= v_diff_~found~2_2 0) InVars {} OutVars{diff_~found~2=v_diff_~found~2_2} AuxVars[] AssignedVars[diff_~found~2] [2018-01-31 09:25:46,539 INFO L84 mationBacktranslator]: Skipped ATE [387] [387] L13''''''''-->L12: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:25:46,539 INFO L84 mationBacktranslator]: Skipped ATE [393] [393] L12-->L13: Formula: (and (< v_diff_~j~3_3 v_diff_~l2~2_3) (= 0 v_diff_~found~2_4)) InVars {diff_~l2~2=v_diff_~l2~2_3, diff_~j~3=v_diff_~j~3_3, diff_~found~2=v_diff_~found~2_4} OutVars{diff_~l2~2=v_diff_~l2~2_3, diff_~j~3=v_diff_~j~3_3, diff_~found~2=v_diff_~found~2_4} AuxVars[] AssignedVars[] [2018-01-31 09:25:46,539 INFO L84 mationBacktranslator]: Skipped ATE [401] [401] L13-->diffErr0RequiresViolation: Formula: (not (= 1 (select |v_#valid_7| v_diff_~A.base_3))) InVars {diff_~A.base=v_diff_~A.base_3, #valid=|v_#valid_7|} OutVars{diff_~A.base=v_diff_~A.base_3, #valid=|v_#valid_7|} AuxVars[] AssignedVars[] [2018-01-31 09:25:46,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:25:46 BasicIcfg [2018-01-31 09:25:46,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 09:25:46,547 INFO L168 Benchmark]: Toolchain (without parser) took 8417.79 ms. Allocated memory was 303.0 MB in the beginning and 873.5 MB in the end (delta: 570.4 MB). Free memory was 261.8 MB in the beginning and 832.0 MB in the end (delta: -570.3 MB). Peak memory consumption was 145.6 kB. Max. memory is 5.3 GB. [2018-01-31 09:25:46,548 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 303.0 MB. Free memory is still 265.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:25:46,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.58 ms. Allocated memory is still 303.0 MB. Free memory was 261.8 MB in the beginning and 251.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:25:46,548 INFO L168 Benchmark]: Boogie Preprocessor took 47.47 ms. Allocated memory is still 303.0 MB. Free memory was 251.8 MB in the beginning and 249.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:25:46,549 INFO L168 Benchmark]: RCFGBuilder took 590.40 ms. Allocated memory is still 303.0 MB. Free memory was 249.8 MB in the beginning and 230.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. [2018-01-31 09:25:46,549 INFO L168 Benchmark]: IcfgTransformer took 6959.55 ms. Allocated memory was 303.0 MB in the beginning and 798.5 MB in the end (delta: 495.5 MB). Free memory was 230.9 MB in the beginning and 603.2 MB in the end (delta: -372.4 MB). Peak memory consumption was 123.1 MB. Max. memory is 5.3 GB. [2018-01-31 09:25:46,549 INFO L168 Benchmark]: TraceAbstraction took 561.79 ms. Allocated memory was 798.5 MB in the beginning and 873.5 MB in the end (delta: 75.0 MB). Free memory was 603.2 MB in the beginning and 832.0 MB in the end (delta: -228.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:25:46,552 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 303.0 MB. Free memory is still 265.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 244.58 ms. Allocated memory is still 303.0 MB. Free memory was 261.8 MB in the beginning and 251.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 47.47 ms. Allocated memory is still 303.0 MB. Free memory was 251.8 MB in the beginning and 249.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 590.40 ms. Allocated memory is still 303.0 MB. Free memory was 249.8 MB in the beginning and 230.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. * IcfgTransformer took 6959.55 ms. Allocated memory was 303.0 MB in the beginning and 798.5 MB in the end (delta: 495.5 MB). Free memory was 230.9 MB in the beginning and 603.2 MB in the end (delta: -372.4 MB). Peak memory consumption was 123.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 561.79 ms. Allocated memory was 798.5 MB in the beginning and 873.5 MB in the end (delta: 75.0 MB). Free memory was 603.2 MB in the beginning and 832.0 MB in the end (delta: -228.8 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 : 67 LocStat_MAX_WEQGRAPH_SIZE : 1 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 900 LocStat_NO_SUPPORTING_DISEQUALITIES : 40 LocStat_NO_DISJUNCTIONS : -134 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 86 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 96 TransStat_NO_SUPPORTING_DISEQUALITIES : 7 TransStat_NO_DISJUNCTIONS : 88 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.023417 RENAME_VARIABLES(MILLISECONDS) : 1.086703 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.000931 PROJECTAWAY(MILLISECONDS) : 1.370135 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.151566 DISJOIN(MILLISECONDS) : 1.098397 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 1.120188 ADD_EQUALITY(MILLISECONDS) : 0.027463 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.018169 #CONJOIN_DISJUNCTIVE : 429 #RENAME_VARIABLES : 871 #UNFREEZE : 0 #CONJOIN : 526 #PROJECTAWAY : 538 #ADD_WEAK_EQUALITY : 3 #DISJOIN : 98 #RENAME_VARIABLES_DISJUNCTIVE : 853 #ADD_EQUALITY : 97 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 7 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int] : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int] : 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 4 procedures, 69 locations, 9 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 74 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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/diff_usafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-31_09-25-46-564.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/diff_usafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-31_09-25-46-564.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/diff_usafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-31_09-25-46-564.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/diff_usafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-31_09-25-46-564.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/diff_usafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_09-25-46-564.csv Received shutdown request...