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/ArraysOfVariableLength_false-valid-deref-read.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d4a2356 [2018-03-23 12:17:08,104 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-23 12:17:08,106 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-23 12:17:08,123 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-23 12:17:08,123 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-23 12:17:08,124 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-23 12:17:08,126 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-23 12:17:08,127 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-23 12:17:08,130 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-23 12:17:08,130 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-23 12:17:08,131 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-23 12:17:08,132 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-23 12:17:08,133 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-23 12:17:08,134 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-23 12:17:08,135 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-23 12:17:08,137 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-23 12:17:08,140 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-23 12:17:08,142 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-23 12:17:08,143 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-23 12:17:08,144 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-23 12:17:08,147 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-23 12:17:08,147 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-23 12:17:08,147 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-23 12:17:08,148 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-23 12:17:08,149 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-23 12:17:08,150 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-23 12:17:08,151 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-23 12:17:08,151 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-23 12:17:08,152 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-23 12:17:08,152 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-23 12:17:08,154 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-23 12:17:08,154 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 [2018-03-23 12:17:08,165 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-23 12:17:08,165 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-23 12:17:08,166 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-23 12:17:08,166 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-23 12:17:08,166 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-23 12:17:08,166 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-23 12:17:08,167 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-23 12:17:08,167 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-23 12:17:08,168 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-23 12:17:08,168 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-23 12:17:08,168 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-23 12:17:08,168 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-23 12:17:08,168 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-23 12:17:08,169 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-23 12:17:08,169 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-03-23 12:17:08,169 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-23 12:17:08,169 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-23 12:17:08,169 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-23 12:17:08,169 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-23 12:17:08,170 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-23 12:17:08,170 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-03-23 12:17:08,170 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-23 12:17:08,170 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-23 12:17:08,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-23 12:17:08,171 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-23 12:17:08,171 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-23 12:17:08,171 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-23 12:17:08,171 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-23 12:17:08,171 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-03-23 12:17:08,172 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-23 12:17:08,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-23 12:17:08,172 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-23 12:17:08,173 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-23 12:17:08,173 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-23 12:17:08,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-23 12:17:08,221 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-23 12:17:08,225 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-23 12:17:08,227 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-23 12:17:08,228 INFO L276 PluginConnector]: CDTParser initialized [2018-03-23 12:17:08,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-read.c [2018-03-23 12:17:08,562 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGac07862e6 [2018-03-23 12:17:08,676 INFO L291 CDTParser]: IsIndexed: true [2018-03-23 12:17:08,676 INFO L292 CDTParser]: Found 1 translation units. [2018-03-23 12:17:08,677 INFO L171 CDTParser]: Scanning ArraysOfVariableLength_false-valid-deref-read.c [2018-03-23 12:17:08,678 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-23 12:17:08,678 INFO L215 ultiparseSymbolTable]: [2018-03-23 12:17:08,678 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-23 12:17:08,678 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in ArraysOfVariableLength_false-valid-deref-read.c [2018-03-23 12:17:08,678 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo ('foo') in ArraysOfVariableLength_false-valid-deref-read.c [2018-03-23 12:17:08,678 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-23 12:17:08,678 INFO L233 ultiparseSymbolTable]: [2018-03-23 12:17:08,693 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGac07862e6 [2018-03-23 12:17:08,696 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-23 12:17:08,698 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-03-23 12:17:08,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-23 12:17:08,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-23 12:17:08,704 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-23 12:17:08,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:17:08" (1/1) ... [2018-03-23 12:17:08,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786ec0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:17:08, skipping insertion in model container [2018-03-23 12:17:08,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:17:08" (1/1) ... [2018-03-23 12:17:08,721 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 12:17:08,732 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-23 12:17:08,858 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 12:17:08,882 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-23 12:17:08,886 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-03-23 12:17:08,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:17:08 WrapperNode [2018-03-23 12:17:08,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-23 12:17:08,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-23 12:17:08,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-23 12:17:08,896 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-23 12:17:08,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:17:08" (1/1) ... [2018-03-23 12:17:08,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:17:08" (1/1) ... [2018-03-23 12:17:08,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:17:08" (1/1) ... [2018-03-23 12:17:08,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:17:08" (1/1) ... [2018-03-23 12:17:08,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:17:08" (1/1) ... [2018-03-23 12:17:08,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:17:08" (1/1) ... [2018-03-23 12:17:08,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:17:08" (1/1) ... [2018-03-23 12:17:08,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-23 12:17:08,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-23 12:17:08,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-23 12:17:08,929 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-23 12:17:08,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:17:08" (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 [2018-03-23 12:17:08,996 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-23 12:17:08,996 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-23 12:17:08,996 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo [2018-03-23 12:17:08,996 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-23 12:17:08,997 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo [2018-03-23 12:17:08,997 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-23 12:17:08,997 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-23 12:17:08,997 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-23 12:17:08,997 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-23 12:17:08,997 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-23 12:17:08,998 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-23 12:17:08,998 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-23 12:17:08,998 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-23 12:17:09,316 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-23 12:17:09,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:17:09 BoogieIcfgContainer [2018-03-23 12:17:09,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-23 12:17:09,317 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-03-23 12:17:09,317 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-03-23 12:17:09,318 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-03-23 12:17:09,320 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:17:09" (1/1) ... [2018-03-23 12:17:09,327 INFO L112 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-03-23 12:17:09,327 INFO L113 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-03-23 12:17:09,342 INFO L255 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-03-23 12:17:09,363 INFO L271 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 2 location literals (each corresponds to one heap write) [2018-03-23 12:17:09,378 INFO L322 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-03-23 12:17:09,447 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-03-23 12:17:21,468 INFO L314 AbstractInterpreter]: Visited 70 different actions 346 times. Merged at 43 different actions 159 times. Never widened. Found 27 fixpoints after 7 different actions. Largest state had 31 variables. [2018-03-23 12:17:21,470 INFO L334 apSepIcfgTransformer]: finished equality analysis [2018-03-23 12:17:21,477 INFO L195 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 3 [2018-03-23 12:17:21,477 INFO L344 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-03-23 12:17:21,477 INFO L345 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-03-23 12:17:21,477 INFO L347 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_int_5| |v_main_~#b~0.base_6|) (+ |v_main_~#b~0.offset_5| (* 4 v_main_~i~1_13))), at (SUMMARY for call #t~mem4 := read~int(~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L26)) ((select (select |v_#memory_int_6| v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~b.base_2) (+ v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~b.offset_2 (* 4 v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0_6))), at (SUMMARY for call #t~mem1 := read~int(~b.base, ~b.offset + ~i~0 * 4, 4); srcloc: L15')) ((select |v_#memory_int_4| |v_main_~#b~0.base_3|), at (SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'')) [2018-03-23 12:17:21,493 INFO L311 HeapPartitionManager]: partitioning result: [2018-03-23 12:17:21,494 INFO L316 HeapPartitionManager]: location blocks for array group [#memory_int] [2018-03-23 12:17:21,494 INFO L325 HeapPartitionManager]: at dimension 0 [2018-03-23 12:17:21,494 INFO L326 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-03-23 12:17:21,494 INFO L327 HeapPartitionManager]: # location blocks :1 [2018-03-23 12:17:21,494 INFO L325 HeapPartitionManager]: at dimension 1 [2018-03-23 12:17:21,494 INFO L326 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-03-23 12:17:21,494 INFO L327 HeapPartitionManager]: # location blocks :1 [2018-03-23 12:17:21,495 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-03-23 12:17:21,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.03 12:17:21 BasicIcfg [2018-03-23 12:17:21,507 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-03-23 12:17:21,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-23 12:17:21,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-23 12:17:21,510 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-23 12:17:21,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 12:17:08" (1/4) ... [2018-03-23 12:17:21,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e24c336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:17:21, skipping insertion in model container [2018-03-23 12:17:21,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:17:08" (2/4) ... [2018-03-23 12:17:21,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e24c336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:17:21, skipping insertion in model container [2018-03-23 12:17:21,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:17:09" (3/4) ... [2018-03-23 12:17:21,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e24c336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:17:21, skipping insertion in model container [2018-03-23 12:17:21,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.03 12:17:21" (4/4) ... [2018-03-23 12:17:21,514 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-03-23 12:17:21,523 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-23 12:17:21,529 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-03-23 12:17:21,559 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-23 12:17:21,559 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-23 12:17:21,560 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-23 12:17:21,560 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-23 12:17:21,560 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-23 12:17:21,560 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-23 12:17:21,560 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-23 12:17:21,560 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-23 12:17:21,560 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-23 12:17:21,561 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-23 12:17:21,570 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-03-23 12:17:21,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-03-23 12:17:21,574 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:17:21,575 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:17:21,575 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooErr2RequiresViolation]=== [2018-03-23 12:17:21,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1225542531, now seen corresponding path program 1 times [2018-03-23 12:17:21,579 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:17:21,580 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:17:21,625 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:17:21,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:17:21,625 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:17:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:17:21,660 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:17:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:17:21,686 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:17:21,686 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-03-23 12:17:21,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-03-23 12:17:21,698 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-03-23 12:17:21,699 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-03-23 12:17:21,701 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2018-03-23 12:17:21,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:17:21,720 INFO L93 Difference]: Finished difference Result 113 states and 130 transitions. [2018-03-23 12:17:21,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-03-23 12:17:21,722 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-03-23 12:17:21,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:17:21,728 INFO L225 Difference]: With dead ends: 113 [2018-03-23 12:17:21,728 INFO L226 Difference]: Without dead ends: 58 [2018-03-23 12:17:21,731 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-03-23 12:17:21,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-03-23 12:17:21,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-03-23 12:17:21,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-03-23 12:17:21,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2018-03-23 12:17:21,758 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 10 [2018-03-23 12:17:21,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:17:21,758 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2018-03-23 12:17:21,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-03-23 12:17:21,758 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2018-03-23 12:17:21,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-03-23 12:17:21,759 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:17:21,759 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:17:21,759 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooErr2RequiresViolation]=== [2018-03-23 12:17:21,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1223631869, now seen corresponding path program 1 times [2018-03-23 12:17:21,760 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:17:21,760 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:17:21,761 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:17:21,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:17:21,761 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:17:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:17:21,774 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:17:21,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:17:21,808 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:17:21,808 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-03-23 12:17:21,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-23 12:17:21,810 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-23 12:17:21,810 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-23 12:17:21,810 INFO L87 Difference]: Start difference. First operand 58 states and 63 transitions. Second operand 3 states. [2018-03-23 12:17:21,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:17:21,855 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2018-03-23 12:17:21,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-23 12:17:21,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-03-23 12:17:21,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:17:21,857 INFO L225 Difference]: With dead ends: 58 [2018-03-23 12:17:21,857 INFO L226 Difference]: Without dead ends: 56 [2018-03-23 12:17:21,858 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-23 12:17:21,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-03-23 12:17:21,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-03-23 12:17:21,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-03-23 12:17:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2018-03-23 12:17:21,866 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 10 [2018-03-23 12:17:21,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:17:21,867 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2018-03-23 12:17:21,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-23 12:17:21,867 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2018-03-23 12:17:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-03-23 12:17:21,868 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:17:21,868 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:17:21,868 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooErr2RequiresViolation]=== [2018-03-23 12:17:21,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1223631871, now seen corresponding path program 1 times [2018-03-23 12:17:21,868 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:17:21,869 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:17:21,870 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:17:21,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:17:21,870 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:17:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-23 12:17:21,881 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-03-23 12:17:21,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-23 12:17:21,996 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-03-23 12:17:21,996 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-03-23 12:17:21,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-23 12:17:21,996 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-23 12:17:21,997 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-03-23 12:17:21,997 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand 4 states. [2018-03-23 12:17:22,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-23 12:17:22,074 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2018-03-23 12:17:22,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-23 12:17:22,075 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-03-23 12:17:22,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-23 12:17:22,078 INFO L225 Difference]: With dead ends: 77 [2018-03-23 12:17:22,078 INFO L226 Difference]: Without dead ends: 60 [2018-03-23 12:17:22,079 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-03-23 12:17:22,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-03-23 12:17:22,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2018-03-23 12:17:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-03-23 12:17:22,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2018-03-23 12:17:22,089 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 10 [2018-03-23 12:17:22,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-23 12:17:22,089 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2018-03-23 12:17:22,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-23 12:17:22,090 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2018-03-23 12:17:22,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-03-23 12:17:22,091 INFO L345 BasicCegarLoop]: Found error trace [2018-03-23 12:17:22,091 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-23 12:17:22,091 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooErr2RequiresViolation]=== [2018-03-23 12:17:22,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1460997744, now seen corresponding path program 1 times [2018-03-23 12:17:22,091 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-03-23 12:17:22,091 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-03-23 12:17:22,092 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:17:22,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-03-23 12:17:22,093 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-03-23 12:17:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-23 12:17:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-23 12:17:22,131 INFO L419 BasicCegarLoop]: Counterexample might be feasible [2018-03-23 12:17:22,134 INFO L84 mationBacktranslator]: Skipped ATE [281] [281] ULTIMATE.startENTRY-->L-1: 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] [2018-03-23 12:17:22,134 INFO L84 mationBacktranslator]: Skipped ATE [287] [287] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-23 12:17:22,134 INFO L84 mationBacktranslator]: Skipped ATE [293] [293] mainENTRY-->L21: Formula: true InVars {} OutVars{main_~i~1=v_main_~i~1_1} AuxVars[] AssignedVars[main_~i~1] [2018-03-23 12:17:22,134 INFO L84 mationBacktranslator]: Skipped ATE [297] [297] L21-->L21': Formula: (and (= 0 |v_main_~#b~0.offset_1|) (= 0 (select |v_#valid_8| |v_main_~#b~0.base_1|)) (not (= 0 |v_main_~#b~0.base_1|)) (= |v_#valid_7| (store |v_#valid_8| |v_main_~#b~0.base_1| 1)) (= (store |v_#length_4| |v_main_~#b~0.base_1| 400) |v_#length_3|)) InVars {#length=|v_#length_4|, #valid=|v_#valid_8|} OutVars{main_~#b~0.base=|v_main_~#b~0.base_1|, #length=|v_#length_3|, #valid=|v_#valid_7|, main_~#b~0.offset=|v_main_~#b~0.offset_1|} AuxVars[] AssignedVars[main_~#b~0.base, #valid, #length, main_~#b~0.offset] [2018-03-23 12:17:22,134 INFO L84 mationBacktranslator]: Skipped ATE [301] [301] L21'-->L22''''': Formula: (= v_main_~i~1_2 0) InVars {} OutVars{main_~i~1=v_main_~i~1_2} AuxVars[] AssignedVars[main_~i~1] [2018-03-23 12:17:22,134 INFO L84 mationBacktranslator]: Skipped ATE [303] [303] L22'''''-->L22: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-23 12:17:22,134 INFO L84 mationBacktranslator]: Skipped ATE [309] [309] L22-->L23: Formula: (< v_main_~i~1_4 100) InVars {main_~i~1=v_main_~i~1_4} OutVars{main_~i~1=v_main_~i~1_4} AuxVars[] AssignedVars[] [2018-03-23 12:17:22,134 INFO L84 mationBacktranslator]: Skipped ATE [315] [315] L23-->__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooENTRY: Formula: (and (= |v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~nInParam_1| v_main_~i~1_17) (= |v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~sizeInParam_1| v_main_~i~1_17) (= |v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.offsetInParam_1| |v_main_~#b~0.offset_11|) (= |v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.baseInParam_1| |v_main_~#b~0.base_13|)) InVars {main_~#b~0.base=|v_main_~#b~0.base_13|, main_~i~1=v_main_~i~1_17, main_~#b~0.offset=|v_main_~#b~0.offset_11|} OutVars{__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.base=|v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.baseInParam_1|, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~n=|v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~nInParam_1|, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.offset=|v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.offsetInParam_1|, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~size=|v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~sizeInParam_1|} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.base, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~n, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.offset, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~size] [2018-03-23 12:17:22,134 INFO L84 mationBacktranslator]: Skipped ATE [323] [323] __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooENTRY-->L12: Formula: (= v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~n_2 |v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~n_1|) InVars {__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~n=|v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~n_1|} OutVars{__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~n=|v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~n_1|, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~n=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~n_2} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~n] [2018-03-23 12:17:22,135 INFO L84 mationBacktranslator]: Skipped ATE [337] [337] L12-->L12': Formula: (and (= v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~b.offset_1 |v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.offset_1|) (= v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~b.base_1 |v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.base_1|)) InVars {__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.base=|v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.base_1|, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.offset=|v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.offset_1|} OutVars{__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~b.offset=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~b.offset_1, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.base=|v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.base_1|, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.offset=|v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~b.offset_1|, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~b.base=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~b.base_1} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~b.offset, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~b.base] [2018-03-23 12:17:22,135 INFO L84 mationBacktranslator]: Skipped ATE [349] [349] L12'-->L13: Formula: (= v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~size_1 |v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~size_1|) InVars {__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~size=|v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~size_1|} OutVars{__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~size=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~size_1, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~size=|v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_#in~size_1|} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~size] [2018-03-23 12:17:22,135 INFO L84 mationBacktranslator]: Skipped ATE [359] [359] L13-->L13': Formula: true InVars {} OutVars{__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~a~0=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~a~0_1} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~a~0] [2018-03-23 12:17:22,135 INFO L84 mationBacktranslator]: Skipped ATE [371] [371] L13'-->L14: Formula: true InVars {} OutVars{__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0_1} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0] [2018-03-23 12:17:22,135 INFO L84 mationBacktranslator]: Skipped ATE [377] [377] L14-->L14'''''': Formula: (= v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0_2 0) InVars {} OutVars{__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0_2} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0] [2018-03-23 12:17:22,135 INFO L84 mationBacktranslator]: Skipped ATE [381] [381] L14''''''-->L14': Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-03-23 12:17:22,135 INFO L84 mationBacktranslator]: Skipped ATE [389] [389] L14'-->L15: Formula: (< v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0_4 (+ v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~size_3 1)) InVars {__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~size=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~size_3, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0_4} OutVars{__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~size=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~size_3, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0_4} AuxVars[] AssignedVars[] [2018-03-23 12:17:22,135 INFO L84 mationBacktranslator]: Skipped ATE [393] [393] L15-->__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX: Formula: (or (not (< v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0_5 v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~n_1)) (not (<= 0 v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0_5))) InVars {__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0_5, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~n=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~n_1} OutVars{__U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~i~0_5, __U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~n=v___U_MULTI_fArraysOfVariableLength_false_valid_deref_read_c__foo_~n_1} AuxVars[] AssignedVars[] [2018-03-23 12:17:22,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:17:22 BasicIcfg [2018-03-23 12:17:22,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-23 12:17:22,141 INFO L168 Benchmark]: Toolchain (without parser) took 13443.83 ms. Allocated memory was 308.3 MB in the beginning and 1.1 GB in the end (delta: 751.3 MB). Free memory was 252.8 MB in the beginning and 470.7 MB in the end (delta: -217.9 MB). Peak memory consumption was 533.4 MB. Max. memory is 5.3 GB. [2018-03-23 12:17:22,141 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 308.3 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-23 12:17:22,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.09 ms. Allocated memory is still 308.3 MB. Free memory was 252.8 MB in the beginning and 242.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-03-23 12:17:22,142 INFO L168 Benchmark]: Boogie Preprocessor took 32.69 ms. Allocated memory is still 308.3 MB. Free memory was 242.9 MB in the beginning and 240.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-23 12:17:22,142 INFO L168 Benchmark]: RCFGBuilder took 387.95 ms. Allocated memory was 308.3 MB in the beginning and 451.4 MB in the end (delta: 143.1 MB). Free memory was 240.9 MB in the beginning and 418.0 MB in the end (delta: -177.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. [2018-03-23 12:17:22,142 INFO L168 Benchmark]: IcfgTransformer took 12190.24 ms. Allocated memory was 451.4 MB in the beginning and 1.1 GB in the end (delta: 608.2 MB). Free memory was 418.0 MB in the beginning and 513.4 MB in the end (delta: -95.4 MB). Peak memory consumption was 512.8 MB. Max. memory is 5.3 GB. [2018-03-23 12:17:22,143 INFO L168 Benchmark]: TraceAbstraction took 631.89 ms. Allocated memory is still 1.1 GB. Free memory was 513.4 MB in the beginning and 470.7 MB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 5.3 GB. [2018-03-23 12:17:22,144 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 308.3 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 196.09 ms. Allocated memory is still 308.3 MB. Free memory was 252.8 MB in the beginning and 242.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.69 ms. Allocated memory is still 308.3 MB. Free memory was 242.9 MB in the beginning and 240.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 387.95 ms. Allocated memory was 308.3 MB in the beginning and 451.4 MB in the end (delta: 143.1 MB). Free memory was 240.9 MB in the beginning and 418.0 MB in the end (delta: -177.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. * IcfgTransformer took 12190.24 ms. Allocated memory was 451.4 MB in the beginning and 1.1 GB in the end (delta: 608.2 MB). Free memory was 418.0 MB in the beginning and 513.4 MB in the end (delta: -95.4 MB). Peak memory consumption was 512.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 631.89 ms. Allocated memory is still 1.1 GB. Free memory was 513.4 MB in the beginning and 470.7 MB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 57 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 393 LocStat_NO_SUPPORTING_DISEQUALITIES : 191 LocStat_NO_DISJUNCTIONS : -114 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 79 TransStat_MAX_WEQGRAPH_SIZE : 4 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 74 TransStat_NO_SUPPORTING_DISEQUALITIES : 9 TransStat_NO_DISJUNCTIONS : 80 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.015899 RENAME_VARIABLES(MILLISECONDS) : 1.122647 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.001482 PROJECTAWAY(MILLISECONDS) : 1.731464 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.119109 DISJOIN(MILLISECONDS) : 0.333118 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 1.146812 ADD_EQUALITY(MILLISECONDS) : 0.029920 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.029924 #CONJOIN_DISJUNCTIVE : 628 #RENAME_VARIABLES : 1405 #UNFREEZE : 0 #CONJOIN : 871 #PROJECTAWAY : 831 #ADD_WEAK_EQUALITY : 10 #DISJOIN : 212 #RENAME_VARIABLES_DISJUNCTIVE : 1380 #ADD_EQUALITY : 75 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 6 * 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] : 3 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 15]: array index can be out of bounds array index can be out of bounds We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 61 locations, 8 error locations. UNSAFE Result, 0.5s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 170 SDtfs, 61 SDslu, 58 SDs, 0 SdLazy, 37 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 1026 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-03-23_12-17-22-152.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-03-23_12-17-22-152.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-03-23_12-17-22-152.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-03-23_12-17-22-152.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-23_12-17-22-152.csv Received shutdown request...