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/cstrpbrk_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 09:23:54,142 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 09:23:54,144 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 09:23:54,169 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 09:23:54,169 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 09:23:54,170 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 09:23:54,171 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 09:23:54,175 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 09:23:54,178 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 09:23:54,178 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 09:23:54,180 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 09:23:54,181 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 09:23:54,182 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 09:23:54,183 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 09:23:54,184 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 09:23:54,197 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 09:23:54,199 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 09:23:54,201 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 09:23:54,202 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 09:23:54,203 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 09:23:54,210 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 09:23:54,210 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 09:23:54,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 09:23:54,211 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 09:23:54,212 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 09:23:54,218 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 09:23:54,219 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 09:23:54,219 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 09:23:54,220 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 09:23:54,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 09:23:54,220 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 09:23:54,221 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 09:23:54,238 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 09:23:54,239 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 09:23:54,239 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 09:23:54,239 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 09:23:54,240 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 09:23:54,240 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 09:23:54,240 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 09:23:54,241 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 09:23:54,241 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 09:23:54,241 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 09:23:54,241 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 09:23:54,241 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 09:23:54,241 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 09:23:54,242 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 09:23:54,242 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 09:23:54,242 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 09:23:54,242 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 09:23:54,242 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 09:23:54,243 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 09:23:54,243 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 09:23:54,243 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 09:23:54,243 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 09:23:54,243 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 09:23:54,244 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:23:54,244 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 09:23:54,244 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 09:23:54,244 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 09:23:54,244 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 09:23:54,244 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 09:23:54,245 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 09:23:54,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 09:23:54,246 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 09:23:54,247 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 09:23:54,247 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 09:23:54,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 09:23:54,311 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 09:23:54,315 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 09:23:54,317 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 09:23:54,317 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 09:23:54,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrpbrk_unsafe_false-valid-deref.i [2018-01-31 09:23:54,537 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 09:23:54,544 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-31 09:23:54,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 09:23:54,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 09:23:54,552 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 09:23:54,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:23:54" (1/1) ... [2018-01-31 09:23:54,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c7d41d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:23:54, skipping insertion in model container [2018-01-31 09:23:54,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:23:54" (1/1) ... [2018-01-31 09:23:54,579 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:23:54,639 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:23:54,805 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:23:54,835 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:23:54,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:23:54 WrapperNode [2018-01-31 09:23:54,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 09:23:54,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 09:23:54,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 09:23:54,847 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 09:23:54,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:23:54" (1/1) ... [2018-01-31 09:23:54,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:23:54" (1/1) ... [2018-01-31 09:23:54,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:23:54" (1/1) ... [2018-01-31 09:23:54,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:23:54" (1/1) ... [2018-01-31 09:23:54,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:23:54" (1/1) ... [2018-01-31 09:23:54,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:23:54" (1/1) ... [2018-01-31 09:23:54,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:23:54" (1/1) ... [2018-01-31 09:23:54,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 09:23:54,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 09:23:54,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 09:23:54,895 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 09:23:54,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:23:54" (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 09:23:54,962 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 09:23:54,962 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 09:23:54,963 INFO L136 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-01-31 09:23:54,963 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrpbrk [2018-01-31 09:23:54,963 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 09:23:54,963 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 09:23:54,963 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 09:23:54,963 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 09:23:54,964 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 09:23:54,964 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 09:23:54,964 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-31 09:23:54,965 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-31 09:23:54,965 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 09:23:54,965 INFO L128 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-01-31 09:23:54,965 INFO L128 BoogieDeclarations]: Found specification of procedure cstrpbrk [2018-01-31 09:23:54,966 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 09:23:54,966 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 09:23:54,966 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 09:23:55,658 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 09:23:55,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:23:55 BoogieIcfgContainer [2018-01-31 09:23:55,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 09:23:55,660 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-31 09:23:55,660 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-31 09:23:55,661 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-31 09:23:55,664 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:23:55" (1/1) ... [2018-01-31 09:23:55,674 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-31 09:23:55,674 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-01-31 09:23:55,675 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-31 09:23:55,724 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 6 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-31 09:23:55,757 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-31 09:23:55,840 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 09:24:02,854 INFO L314 AbstractInterpreter]: Visited 108 different actions 377 times. Merged at 69 different actions 211 times. Never widened. Found 28 fixpoints after 15 different actions. Largest state had 53 variables. [2018-01-31 09:24:02,857 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-31 09:24:02,874 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 7 [2018-01-31 09:24:02,875 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-31 09:24:02,875 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-01-31 09:24:02,876 INFO L244 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_int_7| |v_main_#t~ret13.base_2|) |v_main_#t~ret13.offset_2|), at (SUMMARY for call #t~mem14 := read~int(#t~ret13.base, #t~ret13.offset, 1); srcloc: L567')) ((select (select |v_#memory_int_9| v_cstrpbrk_~sc1~6.base_6) v_cstrpbrk_~sc1~6.offset_5), at (SUMMARY for call #t~mem5 := read~int(~sc1~6.base, ~sc1~6.offset, 1); srcloc: L556)) ((select (select |v_#memory_int_11| v_cstrpbrk_~s~6.base_6) v_cstrpbrk_~s~6.offset_5), at (SUMMARY for call #t~mem7 := read~int(~s~6.base, ~s~6.offset, 1); srcloc: L557''')) ((select (select |v_#memory_int_8| v_cstrpbrk_~sc1~6.base_3) v_cstrpbrk_~sc1~6.offset_3), at (SUMMARY for call #t~mem4 := read~int(~sc1~6.base, ~sc1~6.offset, 1); srcloc: L554')) ((select (select |v_#memory_int_10| v_cstrpbrk_~s~6.base_3) v_cstrpbrk_~s~6.offset_3), at (SUMMARY for call #t~mem6 := read~int(~s~6.base, ~s~6.offset, 1); srcloc: L557)) ((select |v_#memory_int_2| v_build_nondet_String_~nondetString~4.base_2), at (SUMMARY for call write~int(0, ~nondetString~4.base, ~nondetString~4.offset + (~length~4 - 1) * 1, 1); srcloc: L546)) ((select (select |v_#memory_int_12| v_cstrpbrk_~s~6.base_11) v_cstrpbrk_~s~6.offset_9), at (SUMMARY for call #t~mem10 := read~int(~s~6.base, ~s~6.offset, 1); srcloc: L557''''''''''''''')) [2018-01-31 09:24:02,886 INFO L547 PartitionManager]: partitioning result: [2018-01-31 09:24:02,887 INFO L552 PartitionManager]: location blocks for array group [#memory_int] [2018-01-31 09:24:02,887 INFO L562 PartitionManager]: at dimension 0 [2018-01-31 09:24:02,887 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-31 09:24:02,887 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 09:24:02,888 INFO L562 PartitionManager]: at dimension 1 [2018-01-31 09:24:02,888 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-31 09:24:02,888 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 09:24:02,889 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-31 09:24:02,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:24:02 BasicIcfg [2018-01-31 09:24:02,927 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-31 09:24:02,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 09:24:02,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 09:24:02,937 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 09:24:02,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:23:54" (1/4) ... [2018-01-31 09:24:02,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5525e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:24:02, skipping insertion in model container [2018-01-31 09:24:02,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:23:54" (2/4) ... [2018-01-31 09:24:02,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5525e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:24:02, skipping insertion in model container [2018-01-31 09:24:02,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:23:55" (3/4) ... [2018-01-31 09:24:02,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5525e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:24:02, skipping insertion in model container [2018-01-31 09:24:02,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:24:02" (4/4) ... [2018-01-31 09:24:02,941 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-31 09:24:02,951 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 09:24:03,053 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-01-31 09:24:03,103 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 09:24:03,103 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 09:24:03,103 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 09:24:03,104 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 09:24:03,104 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 09:24:03,104 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 09:24:03,104 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 09:24:03,104 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 09:24:03,105 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 09:24:03,120 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-01-31 09:24:03,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-31 09:24:03,127 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:24:03,128 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:24:03,128 INFO L371 AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr0RequiresViolation, build_nondet_StringErr1RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6EnsuresViolation, mainErr0RequiresViolation, cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation]=== [2018-01-31 09:24:03,134 INFO L82 PathProgramCache]: Analyzing trace with hash 767689351, now seen corresponding path program 1 times [2018-01-31 09:24:03,136 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:24:03,137 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:24:03,192 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:24:03,192 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:24:03,192 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:24:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:24:03,268 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:24:03,549 WARN L143 SmtUtils]: Spent 103ms on a formula simplification that was a NOOP. DAG size: 11 [2018-01-31 09:24:03,874 WARN L146 SmtUtils]: Spent 253ms on a formula simplification. DAG size of input: 15 DAG size of output 11 [2018-01-31 09:24:03,878 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 09:24:03,880 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:24:03,881 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-31 09:24:03,883 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-31 09:24:03,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-31 09:24:03,894 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-31 09:24:03,897 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 5 states. [2018-01-31 09:24:04,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:24:04,081 INFO L93 Difference]: Finished difference Result 160 states and 177 transitions. [2018-01-31 09:24:04,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-31 09:24:04,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-01-31 09:24:04,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:24:04,093 INFO L225 Difference]: With dead ends: 160 [2018-01-31 09:24:04,094 INFO L226 Difference]: Without dead ends: 92 [2018-01-31 09:24:04,098 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-01-31 09:24:04,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-01-31 09:24:04,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-01-31 09:24:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-01-31 09:24:04,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2018-01-31 09:24:04,143 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 10 [2018-01-31 09:24:04,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:24:04,143 INFO L432 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2018-01-31 09:24:04,143 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-31 09:24:04,143 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2018-01-31 09:24:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-31 09:24:04,144 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:24:04,144 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:24:04,145 INFO L371 AbstractCegarLoop]: === Iteration 2 === [build_nondet_StringErr0RequiresViolation, build_nondet_StringErr1RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6EnsuresViolation, mainErr0RequiresViolation, cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation]=== [2018-01-31 09:24:04,145 INFO L82 PathProgramCache]: Analyzing trace with hash 767689349, now seen corresponding path program 1 times [2018-01-31 09:24:04,145 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:24:04,145 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:24:04,146 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:24:04,146 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:24:04,147 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:24:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:24:04,155 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:24:04,292 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 09:24:04,292 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:24:04,292 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-31 09:24:04,294 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-31 09:24:04,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-31 09:24:04,294 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-31 09:24:04,294 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand 4 states. [2018-01-31 09:24:05,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:24:05,017 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2018-01-31 09:24:05,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-31 09:24:05,018 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-01-31 09:24:05,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:24:05,020 INFO L225 Difference]: With dead ends: 92 [2018-01-31 09:24:05,020 INFO L226 Difference]: Without dead ends: 91 [2018-01-31 09:24:05,021 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-31 09:24:05,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-01-31 09:24:05,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-01-31 09:24:05,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-01-31 09:24:05,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2018-01-31 09:24:05,035 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 10 [2018-01-31 09:24:05,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:24:05,036 INFO L432 AbstractCegarLoop]: Abstraction has 91 states and 100 transitions. [2018-01-31 09:24:05,036 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-31 09:24:05,036 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2018-01-31 09:24:05,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-31 09:24:05,037 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:24:05,037 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:24:05,037 INFO L371 AbstractCegarLoop]: === Iteration 3 === [build_nondet_StringErr0RequiresViolation, build_nondet_StringErr1RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6EnsuresViolation, mainErr0RequiresViolation, cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation]=== [2018-01-31 09:24:05,037 INFO L82 PathProgramCache]: Analyzing trace with hash -259046913, now seen corresponding path program 1 times [2018-01-31 09:24:05,037 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:24:05,038 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:24:05,041 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:24:05,042 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:24:05,042 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:24:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:24:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:24:05,073 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-01-31 09:24:05,076 INFO L84 mationBacktranslator]: Skipped ATE [433] [433] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_31|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-31 09:24:05,076 INFO L84 mationBacktranslator]: Skipped ATE [439] [439] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:24:05,076 INFO L84 mationBacktranslator]: Skipped ATE [445] [445] mainENTRY-->L565: Formula: true InVars {} OutVars{main_#t~ret11.base=|v_main_#t~ret11.base_1|, #memory_int=|v_#memory_int_3|, main_#t~ret11.offset=|v_main_#t~ret11.offset_1|, #length=|v_#length_5|, #valid=|v_#valid_11|} AuxVars[] AssignedVars[#valid, main_#t~ret11.base, #memory_int, main_#t~ret11.offset, #length] [2018-01-31 09:24:05,076 INFO L84 mationBacktranslator]: Skipped ATE [451] [451] L565-->L565': Formula: (and (= v_main_~s1~8.offset_1 |v_main_#t~ret11.offset_2|) (= v_main_~s1~8.base_2 |v_main_#t~ret11.base_2|)) InVars {main_#t~ret11.base=|v_main_#t~ret11.base_2|, main_#t~ret11.offset=|v_main_#t~ret11.offset_2|} OutVars{main_#t~ret11.base=|v_main_#t~ret11.base_2|, main_~s1~8.base=v_main_~s1~8.base_2, main_~s1~8.offset=v_main_~s1~8.offset_1, main_#t~ret11.offset=|v_main_#t~ret11.offset_2|} AuxVars[] AssignedVars[main_~s1~8.base, main_~s1~8.offset] [2018-01-31 09:24:05,077 INFO L84 mationBacktranslator]: Skipped ATE [457] [457] L565'-->L566: Formula: true InVars {} OutVars{main_#t~ret11.base=|v_main_#t~ret11.base_3|, main_#t~ret11.offset=|v_main_#t~ret11.offset_3|} AuxVars[] AssignedVars[main_#t~ret11.base, main_#t~ret11.offset] [2018-01-31 09:24:05,077 INFO L84 mationBacktranslator]: Skipped ATE [461] [461] L566-->L566': Formula: true InVars {} OutVars{#memory_int=|v_#memory_int_5|, main_#t~ret12.base=|v_main_#t~ret12.base_1|, #length=|v_#length_7|, main_#t~ret12.offset=|v_main_#t~ret12.offset_1|, #valid=|v_#valid_13|} AuxVars[] AssignedVars[#valid, #memory_int, main_#t~ret12.base, #length, main_#t~ret12.offset] [2018-01-31 09:24:05,077 INFO L84 mationBacktranslator]: Skipped ATE [467] [467] L566'-->L566'': Formula: (and (= v_main_~s2~8.offset_3 |v_main_#t~ret12.offset_2|) (= v_main_~s2~8.base_3 |v_main_#t~ret12.base_2|)) InVars {main_#t~ret12.offset=|v_main_#t~ret12.offset_2|, main_#t~ret12.base=|v_main_#t~ret12.base_2|} OutVars{main_#t~ret12.base=|v_main_#t~ret12.base_2|, main_#t~ret12.offset=|v_main_#t~ret12.offset_2|, main_~s2~8.base=v_main_~s2~8.base_3, main_~s2~8.offset=v_main_~s2~8.offset_3} AuxVars[] AssignedVars[main_~s2~8.base, main_~s2~8.offset] [2018-01-31 09:24:05,077 INFO L84 mationBacktranslator]: Skipped ATE [473] [473] L566''-->L567: Formula: true InVars {} OutVars{main_#t~ret12.offset=|v_main_#t~ret12.offset_3|, main_#t~ret12.base=|v_main_#t~ret12.base_3|} AuxVars[] AssignedVars[main_#t~ret12.base, main_#t~ret12.offset] [2018-01-31 09:24:05,077 INFO L84 mationBacktranslator]: Skipped ATE [479] [479] L567-->L567': Formula: true InVars {} OutVars{main_#t~ret13.base=|v_main_#t~ret13.base_1|, main_#t~ret13.offset=|v_main_#t~ret13.offset_1|} AuxVars[] AssignedVars[main_#t~ret13.offset, main_#t~ret13.base] [2018-01-31 09:24:05,077 INFO L84 mationBacktranslator]: Skipped ATE [487] [487] L567'-->mainErr0RequiresViolation: Formula: (not (= 1 (select |v_#valid_16| |v_main_#t~ret13.base_3|))) InVars {main_#t~ret13.base=|v_main_#t~ret13.base_3|, #valid=|v_#valid_16|} OutVars{main_#t~ret13.base=|v_main_#t~ret13.base_3|, #valid=|v_#valid_16|} AuxVars[] AssignedVars[] [2018-01-31 09:24:05,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:24:05 BasicIcfg [2018-01-31 09:24:05,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 09:24:05,088 INFO L168 Benchmark]: Toolchain (without parser) took 10551.03 ms. Allocated memory was 308.8 MB in the beginning and 884.5 MB in the end (delta: 575.7 MB). Free memory was 268.7 MB in the beginning and 812.2 MB in the end (delta: -543.5 MB). Peak memory consumption was 32.2 MB. Max. memory is 5.3 GB. [2018-01-31 09:24:05,089 INFO L168 Benchmark]: CDTParser took 1.03 ms. Allocated memory is still 308.8 MB. Free memory is still 274.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:24:05,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.95 ms. Allocated memory is still 308.8 MB. Free memory was 267.6 MB in the beginning and 257.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:24:05,089 INFO L168 Benchmark]: Boogie Preprocessor took 43.34 ms. Allocated memory is still 308.8 MB. Free memory was 257.7 MB in the beginning and 255.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:24:05,090 INFO L168 Benchmark]: RCFGBuilder took 764.69 ms. Allocated memory is still 308.8 MB. Free memory was 255.7 MB in the beginning and 231.7 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:24:05,090 INFO L168 Benchmark]: IcfgTransformer took 7267.38 ms. Allocated memory was 308.8 MB in the beginning and 692.1 MB in the end (delta: 383.3 MB). Free memory was 231.7 MB in the beginning and 433.6 MB in the end (delta: -201.9 MB). Peak memory consumption was 181.4 MB. Max. memory is 5.3 GB. [2018-01-31 09:24:05,091 INFO L168 Benchmark]: TraceAbstraction took 2159.56 ms. Allocated memory was 692.1 MB in the beginning and 884.5 MB in the end (delta: 192.4 MB). Free memory was 433.6 MB in the beginning and 812.2 MB in the end (delta: -378.6 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:24:05,093 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03 ms. Allocated memory is still 308.8 MB. Free memory is still 274.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 300.95 ms. Allocated memory is still 308.8 MB. Free memory was 267.6 MB in the beginning and 257.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 43.34 ms. Allocated memory is still 308.8 MB. Free memory was 257.7 MB in the beginning and 255.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 764.69 ms. Allocated memory is still 308.8 MB. Free memory was 255.7 MB in the beginning and 231.7 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * IcfgTransformer took 7267.38 ms. Allocated memory was 308.8 MB in the beginning and 692.1 MB in the end (delta: 383.3 MB). Free memory was 231.7 MB in the beginning and 433.6 MB in the end (delta: -201.9 MB). Peak memory consumption was 181.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2159.56 ms. Allocated memory was 692.1 MB in the beginning and 884.5 MB in the end (delta: 192.4 MB). Free memory was 433.6 MB in the beginning and 812.2 MB in the end (delta: -378.6 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 : 91 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 1283 LocStat_NO_SUPPORTING_DISEQUALITIES : 59 LocStat_NO_DISJUNCTIONS : -182 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 121 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 192 TransStat_NO_SUPPORTING_DISEQUALITIES : 24 TransStat_NO_DISJUNCTIONS : 134 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.027286 RENAME_VARIABLES(MILLISECONDS) : 0.406978 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.001138 PROJECTAWAY(MILLISECONDS) : 0.204992 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.089640 DISJOIN(MILLISECONDS) : 0.500814 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.438263 ADD_EQUALITY(MILLISECONDS) : 0.018198 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.018098 #CONJOIN_DISJUNCTIVE : 589 #RENAME_VARIABLES : 1242 #UNFREEZE : 0 #CONJOIN : 894 #PROJECTAWAY : 793 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 104 #RENAME_VARIABLES_DISJUNCTIVE : 1166 #ADD_EQUALITY : 171 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 21 * 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] : 7 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 96 locations, 19 error locations. UNSAFE Result, 1.9s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 197 SDtfs, 22 SDslu, 239 SDs, 0 SdLazy, 62 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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/cstrpbrk_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-31_09-24-05-103.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-31_09-24-05-103.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-31_09-24-05-103.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-31_09-24-05-103.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_09-24-05-103.csv Received shutdown request...