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 0.1.23-1cceb4a [2018-01-30 00:47:37,346 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-30 00:47:37,348 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-30 00:47:37,362 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-30 00:47:37,362 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-30 00:47:37,363 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-30 00:47:37,364 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-30 00:47:37,366 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-30 00:47:37,368 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-30 00:47:37,368 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-30 00:47:37,369 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-30 00:47:37,369 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-30 00:47:37,370 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-30 00:47:37,370 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-30 00:47:37,371 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-30 00:47:37,373 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-30 00:47:37,376 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-30 00:47:37,378 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-30 00:47:37,379 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-30 00:47:37,380 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-30 00:47:37,382 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-30 00:47:37,383 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-30 00:47:37,383 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-30 00:47:37,384 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-30 00:47:37,385 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-30 00:47:37,386 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-30 00:47:37,386 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-30 00:47:37,387 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-30 00:47:37,387 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-30 00:47:37,387 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-30 00:47:37,388 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-30 00:47:37,388 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-30 00:47:37,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-30 00:47:37,399 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-30 00:47:37,399 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-30 00:47:37,400 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-30 00:47:37,400 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-30 00:47:37,400 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-30 00:47:37,400 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-30 00:47:37,401 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-30 00:47:37,401 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-30 00:47:37,401 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-30 00:47:37,401 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-30 00:47:37,402 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-30 00:47:37,402 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-30 00:47:37,402 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-30 00:47:37,402 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-30 00:47:37,402 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-30 00:47:37,402 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-30 00:47:37,403 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-30 00:47:37,403 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-30 00:47:37,403 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-30 00:47:37,403 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-30 00:47:37,403 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-30 00:47:37,404 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-30 00:47:37,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-30 00:47:37,404 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-30 00:47:37,404 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-30 00:47:37,404 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-30 00:47:37,405 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-30 00:47:37,405 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-30 00:47:37,405 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-30 00:47:37,405 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-30 00:47:37,405 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-30 00:47:37,406 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-30 00:47:37,406 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-30 00:47:37,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-30 00:47:37,452 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-30 00:47:37,456 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-30 00:47:37,458 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-30 00:47:37,458 INFO L276 PluginConnector]: CDTParser initialized [2018-01-30 00:47:37,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrpbrk_unsafe_false-valid-deref.i [2018-01-30 00:47:37,638 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-30 00:47:37,642 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-30 00:47:37,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-30 00:47:37,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-30 00:47:37,648 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-30 00:47:37,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 12:47:37" (1/1) ... [2018-01-30 00:47:37,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4028cb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37, skipping insertion in model container [2018-01-30 00:47:37,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 12:47:37" (1/1) ... [2018-01-30 00:47:37,665 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 00:47:37,702 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 00:47:37,815 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 00:47:37,836 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 00:47:37,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37 WrapperNode [2018-01-30 00:47:37,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-30 00:47:37,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-30 00:47:37,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-30 00:47:37,845 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-30 00:47:37,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ... [2018-01-30 00:47:37,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ... [2018-01-30 00:47:37,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ... [2018-01-30 00:47:37,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ... [2018-01-30 00:47:37,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ... [2018-01-30 00:47:37,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ... [2018-01-30 00:47:37,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ... [2018-01-30 00:47:37,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-30 00:47:37,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-30 00:47:37,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-30 00:47:37,884 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-30 00:47:37,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-30 00:47:37,929 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-30 00:47:37,930 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-30 00:47:37,930 INFO L136 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-01-30 00:47:37,930 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrpbrk [2018-01-30 00:47:37,930 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-30 00:47:37,930 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-30 00:47:37,930 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-30 00:47:37,930 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-30 00:47:37,930 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-30 00:47:37,930 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-30 00:47:37,931 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-30 00:47:37,931 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-30 00:47:37,931 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-30 00:47:37,931 INFO L128 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-01-30 00:47:37,931 INFO L128 BoogieDeclarations]: Found specification of procedure cstrpbrk [2018-01-30 00:47:37,931 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-30 00:47:37,931 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-30 00:47:37,931 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-30 00:47:38,207 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-30 00:47:38,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:47:38 BoogieIcfgContainer [2018-01-30 00:47:38,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-30 00:47:38,209 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-30 00:47:38,209 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-30 00:47:38,209 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-30 00:47:38,212 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:47:38" (1/1) ... [2018-01-30 00:47:38,219 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-30 00:47:38,219 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-01-30 00:47:38,220 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-30 00:47:38,273 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 6 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-30 00:47:38,301 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-30 00:47:38,357 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-30 00:47:42,972 INFO L311 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. [2018-01-30 00:47:42,974 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-30 00:47:42,986 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 7 [2018-01-30 00:47:42,987 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-30 00:47:42,987 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-01-30 00:47:42,987 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''''''''''''''')) [2018-01-30 00:47:42,996 INFO L547 PartitionManager]: partitioning result: [2018-01-30 00:47:42,996 INFO L552 PartitionManager]: location blocks for array group [#memory_int] [2018-01-30 00:47:42,996 INFO L561 PartitionManager]: at dimension 0 [2018-01-30 00:47:42,996 INFO L562 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-30 00:47:42,996 INFO L563 PartitionManager]: # location blocks :1 [2018-01-30 00:47:42,997 INFO L561 PartitionManager]: at dimension 1 [2018-01-30 00:47:42,997 INFO L562 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-30 00:47:42,997 INFO L563 PartitionManager]: # location blocks :1 [2018-01-30 00:47:42,998 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-30 00:47:43,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 12:47:43 BasicIcfg [2018-01-30 00:47:43,018 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-30 00:47:43,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-30 00:47:43,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-30 00:47:43,084 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-30 00:47:43,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 12:47:37" (1/4) ... [2018-01-30 00:47:43,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b8aff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:47:43, skipping insertion in model container [2018-01-30 00:47:43,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:47:37" (2/4) ... [2018-01-30 00:47:43,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b8aff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:47:43, skipping insertion in model container [2018-01-30 00:47:43,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:47:38" (3/4) ... [2018-01-30 00:47:43,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b8aff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 12:47:43, skipping insertion in model container [2018-01-30 00:47:43,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 12:47:43" (4/4) ... [2018-01-30 00:47:43,088 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-30 00:47:43,097 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-30 00:47:43,106 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-01-30 00:47:43,147 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-30 00:47:43,147 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-30 00:47:43,148 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-30 00:47:43,148 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-30 00:47:43,148 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-30 00:47:43,148 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-30 00:47:43,148 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-30 00:47:43,148 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-30 00:47:43,149 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-30 00:47:43,164 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2018-01-30 00:47:43,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-30 00:47:43,171 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:47:43,172 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:47:43,172 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]=== [2018-01-30 00:47:43,177 INFO L82 PathProgramCache]: Analyzing trace with hash 767689351, now seen corresponding path program 1 times [2018-01-30 00:47:43,179 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:47:43,179 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:47:43,231 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:47:43,231 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:47:43,231 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:47:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:47:43,278 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:47:43,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:47:43,474 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:47:43,475 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-30 00:47:43,476 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-30 00:47:43,483 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-30 00:47:43,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-30 00:47:43,486 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 5 states. [2018-01-30 00:47:43,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:47:43,573 INFO L93 Difference]: Finished difference Result 160 states and 177 transitions. [2018-01-30 00:47:43,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-30 00:47:43,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-01-30 00:47:43,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:47:43,586 INFO L225 Difference]: With dead ends: 160 [2018-01-30 00:47:43,587 INFO L226 Difference]: Without dead ends: 92 [2018-01-30 00:47:43,590 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-01-30 00:47:43,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-01-30 00:47:43,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-01-30 00:47:43,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-01-30 00:47:43,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2018-01-30 00:47:43,633 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 10 [2018-01-30 00:47:43,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:47:43,634 INFO L432 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2018-01-30 00:47:43,634 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-30 00:47:43,634 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2018-01-30 00:47:43,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-30 00:47:43,634 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:47:43,635 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:47:43,635 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]=== [2018-01-30 00:47:43,635 INFO L82 PathProgramCache]: Analyzing trace with hash 767689349, now seen corresponding path program 1 times [2018-01-30 00:47:43,635 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:47:43,635 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:47:43,636 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:47:43,636 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:47:43,636 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:47:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:47:43,643 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:47:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:47:43,691 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:47:43,691 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-30 00:47:43,692 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-30 00:47:43,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-30 00:47:43,693 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-30 00:47:43,693 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand 4 states. [2018-01-30 00:47:43,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:47:43,823 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2018-01-30 00:47:43,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-30 00:47:43,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-01-30 00:47:43,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:47:43,825 INFO L225 Difference]: With dead ends: 92 [2018-01-30 00:47:43,825 INFO L226 Difference]: Without dead ends: 91 [2018-01-30 00:47:43,826 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-30 00:47:43,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-01-30 00:47:43,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-01-30 00:47:43,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-01-30 00:47:43,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2018-01-30 00:47:43,839 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 10 [2018-01-30 00:47:43,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:47:43,839 INFO L432 AbstractCegarLoop]: Abstraction has 91 states and 100 transitions. [2018-01-30 00:47:43,840 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-30 00:47:43,840 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2018-01-30 00:47:43,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-30 00:47:43,840 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:47:43,840 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:47:43,841 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]=== [2018-01-30 00:47:43,841 INFO L82 PathProgramCache]: Analyzing trace with hash -259046913, now seen corresponding path program 1 times [2018-01-30 00:47:43,841 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:47:43,841 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:47:43,842 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:47:43,842 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:47:43,842 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:47:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-30 00:47:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-30 00:47:43,867 INFO L409 BasicCegarLoop]: Counterexample might be feasible [2018-01-30 00:47:43,870 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] [2018-01-30 00:47:43,870 INFO L84 mationBacktranslator]: Skipped ATE [439] [439] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-30 00:47:43,870 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] [2018-01-30 00:47:43,871 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] [2018-01-30 00:47:43,871 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] [2018-01-30 00:47:43,871 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] [2018-01-30 00:47:43,871 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] [2018-01-30 00:47:43,871 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] [2018-01-30 00:47:43,871 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] [2018-01-30 00:47:43,871 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[] [2018-01-30 00:47:43,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 12:47:43 BasicIcfg [2018-01-30 00:47:43,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-30 00:47:43,877 INFO L168 Benchmark]: Toolchain (without parser) took 6238.69 ms. Allocated memory was 308.8 MB in the beginning and 848.8 MB in the end (delta: 540.0 MB). Free memory was 268.8 MB in the beginning and 784.1 MB in the end (delta: -515.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 5.3 GB. [2018-01-30 00:47:43,878 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 308.8 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 00:47:43,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.79 ms. Allocated memory is still 308.8 MB. Free memory was 267.8 MB in the beginning and 257.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-30 00:47:43,879 INFO L168 Benchmark]: Boogie Preprocessor took 38.12 ms. Allocated memory is still 308.8 MB. Free memory was 257.9 MB in the beginning and 255.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-30 00:47:43,879 INFO L168 Benchmark]: RCFGBuilder took 324.66 ms. Allocated memory is still 308.8 MB. Free memory was 255.9 MB in the beginning and 232.1 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-01-30 00:47:43,879 INFO L168 Benchmark]: IcfgTransformer took 4809.95 ms. Allocated memory was 308.8 MB in the beginning and 787.0 MB in the end (delta: 478.2 MB). Free memory was 232.1 MB in the beginning and 687.5 MB in the end (delta: -455.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 5.3 GB. [2018-01-30 00:47:43,880 INFO L168 Benchmark]: TraceAbstraction took 857.10 ms. Allocated memory was 787.0 MB in the beginning and 848.8 MB in the end (delta: 61.9 MB). Free memory was 687.5 MB in the beginning and 784.1 MB in the end (delta: -96.7 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 00:47:43,881 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 308.8 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 201.79 ms. Allocated memory is still 308.8 MB. Free memory was 267.8 MB in the beginning and 257.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.12 ms. Allocated memory is still 308.8 MB. Free memory was 257.9 MB in the beginning and 255.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 324.66 ms. Allocated memory is still 308.8 MB. Free memory was 255.9 MB in the beginning and 232.1 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * IcfgTransformer took 4809.95 ms. Allocated memory was 308.8 MB in the beginning and 787.0 MB in the end (delta: 478.2 MB). Free memory was 232.1 MB in the beginning and 687.5 MB in the end (delta: -455.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 857.10 ms. Allocated memory was 787.0 MB in the beginning and 848.8 MB in the end (delta: 61.9 MB). Free memory was 687.5 MB in the beginning and 784.1 MB in the end (delta: -96.7 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 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) : 0.016178 RENAME_VARIABLES(MILLISECONDS) : 0.279304 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.000889 PROJECTAWAY(MILLISECONDS) : 0.140197 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.082862 DISJOIN(MILLISECONDS) : 0.545631 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.301499 ADD_EQUALITY(MILLISECONDS) : 0.015587 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.014953 #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, 0.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 197 SDtfs, 22 SDslu, 239 SDs, 0 SdLazy, 62 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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, 0.2s 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-0-2018-01-30_00-47-43-890.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-0-2018-01-30_00-47-43-890.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-0-2018-01-30_00-47-43-890.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-0-2018-01-30_00-47-43-890.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-0-2018-01-30_00-47-43-890.csv Received shutdown request...