java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-read.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-acfac67 [2018-01-29 00:48:36,661 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-29 00:48:36,662 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-29 00:48:36,674 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-29 00:48:36,675 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-29 00:48:36,675 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-29 00:48:36,676 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-29 00:48:36,678 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-29 00:48:36,680 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-29 00:48:36,681 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-29 00:48:36,682 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-29 00:48:36,682 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-29 00:48:36,683 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-29 00:48:36,684 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-29 00:48:36,684 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-29 00:48:36,687 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-29 00:48:36,689 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-29 00:48:36,691 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-29 00:48:36,692 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-29 00:48:36,693 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-29 00:48:36,695 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-29 00:48:36,700 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-29 00:48:36,701 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-29 00:48:36,701 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 [2018-01-29 00:48:36,710 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-29 00:48:36,711 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-29 00:48:36,712 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-29 00:48:36,712 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-29 00:48:36,712 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-29 00:48:36,712 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-29 00:48:36,712 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-29 00:48:36,713 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-29 00:48:36,713 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-29 00:48:36,714 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-29 00:48:36,714 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-29 00:48:36,714 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-29 00:48:36,714 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-29 00:48:36,714 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-29 00:48:36,715 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-29 00:48:36,715 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-29 00:48:36,715 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-29 00:48:36,715 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-29 00:48:36,715 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-29 00:48:36,716 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-29 00:48:36,716 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-29 00:48:36,716 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-29 00:48:36,716 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-29 00:48:36,716 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-29 00:48:36,717 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-29 00:48:36,717 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-29 00:48:36,717 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-29 00:48:36,717 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-29 00:48:36,717 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-29 00:48:36,718 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-29 00:48:36,718 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-29 00:48:36,718 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-29 00:48:36,719 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-29 00:48:36,719 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-29 00:48:36,754 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-29 00:48:36,767 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-29 00:48:36,771 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-29 00:48:36,773 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-29 00:48:36,773 INFO L276 PluginConnector]: CDTParser initialized [2018-01-29 00:48:36,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-read.c [2018-01-29 00:48:36,924 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-29 00:48:36,931 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-29 00:48:36,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-29 00:48:36,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-29 00:48:36,940 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-29 00:48:36,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 12:48:36" (1/1) ... [2018-01-29 00:48:36,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6070fe18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:48:36, skipping insertion in model container [2018-01-29 00:48:36,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 12:48:36" (1/1) ... [2018-01-29 00:48:36,960 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 00:48:36,981 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 00:48:37,116 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 00:48:37,133 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 00:48:37,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:48:37 WrapperNode [2018-01-29 00:48:37,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-29 00:48:37,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-29 00:48:37,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-29 00:48:37,141 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-29 00:48:37,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:48:37" (1/1) ... [2018-01-29 00:48:37,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:48:37" (1/1) ... [2018-01-29 00:48:37,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:48:37" (1/1) ... [2018-01-29 00:48:37,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:48:37" (1/1) ... [2018-01-29 00:48:37,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:48:37" (1/1) ... [2018-01-29 00:48:37,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:48:37" (1/1) ... [2018-01-29 00:48:37,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:48:37" (1/1) ... [2018-01-29 00:48:37,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-29 00:48:37,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-29 00:48:37,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-29 00:48:37,175 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-29 00:48:37,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:48:37" (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 [2018-01-29 00:48:37,226 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-29 00:48:37,226 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-29 00:48:37,226 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-01-29 00:48:37,226 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-29 00:48:37,226 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-29 00:48:37,226 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-29 00:48:37,226 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-29 00:48:37,227 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-29 00:48:37,227 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-29 00:48:37,227 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-01-29 00:48:37,227 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-29 00:48:37,227 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-29 00:48:37,227 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-29 00:48:37,403 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-29 00:48:37,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:48:37 BoogieIcfgContainer [2018-01-29 00:48:37,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-29 00:48:37,405 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-29 00:48:37,405 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-29 00:48:37,406 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-29 00:48:37,409 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:48:37" (1/1) ... [2018-01-29 00:48:37,419 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-29 00:48:37,419 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-01-29 00:48:37,420 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-29 00:48:37,484 INFO L218 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-29 00:48:37,539 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-29 00:48:43,185 INFO L311 AbstractInterpreter]: Visited 70 different actions 300 times. Merged at 43 different actions 143 times. Never widened. Found 17 fixpoints after 6 different actions. Largest state had 35 variables. [2018-01-29 00:48:43,188 INFO L226 apSepIcfgTransformer]: finished equality analysis [2018-01-29 00:48:43,202 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 3 [2018-01-29 00:48:43,203 INFO L238 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-29 00:48:43,204 INFO L239 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-01-29 00:48:43,204 INFO L241 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_int_1| v_foo_~b.base_2) (+ (* 4 v_foo_~i~1_7) v_foo_~b.offset_2)), at (SUMMARY for call #t~mem1 := read~int(~b.base, ~b.offset + ~i~1 * 4, 4); srcloc: L15')) ((select (select |v_#memory_int_4| |v_main_~#b~3.base_1|) (+ (* 4 v_main_~i~3_3) |v_main_~#b~3.offset_1|)), at (SUMMARY for call #t~mem5 := read~int(~#b~3.base, ~#b~3.offset + ~i~3 * 4, 4); srcloc: L26)) ((select |v_#memory_int_6| |v_main_~#b~3.base_10|), at (SUMMARY for call write~int(#t~ret3, ~#b~3.base, ~#b~3.offset + ~i~3 * 4, 4); srcloc: L23'')) [2018-01-29 00:48:43,209 INFO L544 PartitionManager]: partitioning result: [2018-01-29 00:48:43,209 INFO L549 PartitionManager]: location blocks for array group [#memory_int] [2018-01-29 00:48:43,209 INFO L558 PartitionManager]: at dimension 0 [2018-01-29 00:48:43,209 INFO L559 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-29 00:48:43,209 INFO L560 PartitionManager]: # location blocks :1 [2018-01-29 00:48:43,210 INFO L558 PartitionManager]: at dimension 1 [2018-01-29 00:48:43,210 INFO L559 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-29 00:48:43,210 INFO L560 PartitionManager]: # location blocks :1 [2018-01-29 00:48:43,211 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-29 00:48:43,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 29.01 12:48:43 BasicIcfg [2018-01-29 00:48:43,229 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-29 00:48:43,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-29 00:48:43,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-29 00:48:43,235 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-29 00:48:43,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 12:48:36" (1/4) ... [2018-01-29 00:48:43,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b14202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 12:48:43, skipping insertion in model container [2018-01-29 00:48:43,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:48:37" (2/4) ... [2018-01-29 00:48:43,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b14202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 12:48:43, skipping insertion in model container [2018-01-29 00:48:43,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:48:37" (3/4) ... [2018-01-29 00:48:43,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b14202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 12:48:43, skipping insertion in model container [2018-01-29 00:48:43,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 29.01 12:48:43" (4/4) ... [2018-01-29 00:48:43,239 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-29 00:48:43,246 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-29 00:48:43,252 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-01-29 00:48:43,353 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-29 00:48:43,353 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-29 00:48:43,353 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-29 00:48:43,353 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-29 00:48:43,354 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-29 00:48:43,354 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-29 00:48:43,354 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-29 00:48:43,354 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-29 00:48:43,355 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-29 00:48:43,365 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-01-29 00:48:43,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-29 00:48:43,370 INFO L322 BasicCegarLoop]: Found error trace [2018-01-29 00:48:43,371 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 00:48:43,371 INFO L371 AbstractCegarLoop]: === Iteration 1 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-01-29 00:48:43,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1225542531, now seen corresponding path program 1 times [2018-01-29 00:48:43,376 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 00:48:43,376 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 00:48:43,419 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:48:43,419 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 00:48:43,419 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:48:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 00:48:43,451 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 00:48:43,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 00:48:43,481 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 00:48:43,482 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-29 00:48:43,483 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-29 00:48:43,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-29 00:48:43,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-29 00:48:43,493 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2018-01-29 00:48:43,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 00:48:43,517 INFO L93 Difference]: Finished difference Result 113 states and 130 transitions. [2018-01-29 00:48:43,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-29 00:48:43,519 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-01-29 00:48:43,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 00:48:43,527 INFO L225 Difference]: With dead ends: 113 [2018-01-29 00:48:43,528 INFO L226 Difference]: Without dead ends: 58 [2018-01-29 00:48:43,532 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-29 00:48:43,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-01-29 00:48:43,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-01-29 00:48:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-01-29 00:48:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2018-01-29 00:48:43,566 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 10 [2018-01-29 00:48:43,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 00:48:43,567 INFO L432 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2018-01-29 00:48:43,567 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-29 00:48:43,567 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2018-01-29 00:48:43,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-29 00:48:43,568 INFO L322 BasicCegarLoop]: Found error trace [2018-01-29 00:48:43,568 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 00:48:43,568 INFO L371 AbstractCegarLoop]: === Iteration 2 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-01-29 00:48:43,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1223631869, now seen corresponding path program 1 times [2018-01-29 00:48:43,569 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 00:48:43,569 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 00:48:43,569 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:48:43,570 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 00:48:43,570 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:48:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 00:48:43,582 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 00:48:43,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 00:48:43,641 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 00:48:43,641 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-29 00:48:43,643 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-29 00:48:43,643 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-29 00:48:43,643 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-29 00:48:43,643 INFO L87 Difference]: Start difference. First operand 58 states and 63 transitions. Second operand 3 states. [2018-01-29 00:48:43,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 00:48:43,756 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2018-01-29 00:48:43,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-29 00:48:43,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-01-29 00:48:43,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 00:48:43,758 INFO L225 Difference]: With dead ends: 58 [2018-01-29 00:48:43,758 INFO L226 Difference]: Without dead ends: 56 [2018-01-29 00:48:43,759 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-29 00:48:43,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-01-29 00:48:43,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-01-29 00:48:43,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-01-29 00:48:43,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2018-01-29 00:48:43,764 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 10 [2018-01-29 00:48:43,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 00:48:43,764 INFO L432 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2018-01-29 00:48:43,764 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-29 00:48:43,764 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2018-01-29 00:48:43,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-29 00:48:43,765 INFO L322 BasicCegarLoop]: Found error trace [2018-01-29 00:48:43,765 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 00:48:43,765 INFO L371 AbstractCegarLoop]: === Iteration 3 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-01-29 00:48:43,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1223631871, now seen corresponding path program 1 times [2018-01-29 00:48:43,765 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 00:48:43,765 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 00:48:43,766 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:48:43,766 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 00:48:43,766 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:48:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 00:48:43,778 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 00:48:43,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 00:48:43,897 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 00:48:43,898 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-29 00:48:43,898 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-29 00:48:43,898 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-29 00:48:43,898 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-29 00:48:43,899 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand 4 states. [2018-01-29 00:48:43,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 00:48:43,977 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2018-01-29 00:48:43,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-29 00:48:43,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-01-29 00:48:43,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 00:48:43,979 INFO L225 Difference]: With dead ends: 77 [2018-01-29 00:48:43,980 INFO L226 Difference]: Without dead ends: 60 [2018-01-29 00:48:43,980 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-29 00:48:43,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-01-29 00:48:43,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2018-01-29 00:48:43,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-01-29 00:48:43,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2018-01-29 00:48:43,991 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 10 [2018-01-29 00:48:43,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 00:48:43,992 INFO L432 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2018-01-29 00:48:43,992 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-29 00:48:43,992 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2018-01-29 00:48:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-29 00:48:43,993 INFO L322 BasicCegarLoop]: Found error trace [2018-01-29 00:48:43,993 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 00:48:43,993 INFO L371 AbstractCegarLoop]: === Iteration 4 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-01-29 00:48:43,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1460997744, now seen corresponding path program 1 times [2018-01-29 00:48:43,994 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 00:48:43,994 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 00:48:43,995 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:48:43,995 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 00:48:43,995 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:48:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-29 00:48:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-29 00:48:44,032 INFO L389 BasicCegarLoop]: Counterexample might be feasible [2018-01-29 00:48:44,035 INFO L84 mationBacktranslator]: Skipped ATE [281] [281] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{#NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, #valid=|v_#valid_5|} AuxVars[] AssignedVars[#valid, #NULL.offset, #NULL.base] [2018-01-29 00:48:44,035 INFO L84 mationBacktranslator]: Skipped ATE [287] [287] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-29 00:48:44,036 INFO L84 mationBacktranslator]: Skipped ATE [293] [293] mainENTRY-->L21: Formula: true InVars {} OutVars{main_~i~3=v_main_~i~3_7} AuxVars[] AssignedVars[main_~i~3] [2018-01-29 00:48:44,036 INFO L84 mationBacktranslator]: Skipped ATE [297] [297] L21-->L21': Formula: (and (= 0 (select |v_#valid_18| |v_main_~#b~3.base_8|)) (= 0 |v_main_~#b~3.offset_7|) (not (= 0 |v_main_~#b~3.base_8|)) (= (store |v_#length_8| |v_main_~#b~3.base_8| 400) |v_#length_7|) (= |v_#valid_17| (store |v_#valid_18| |v_main_~#b~3.base_8| 1))) InVars {#length=|v_#length_8|, #valid=|v_#valid_18|} OutVars{#length=|v_#length_7|, main_~#b~3.offset=|v_main_~#b~3.offset_7|, main_~#b~3.base=|v_main_~#b~3.base_8|, #valid=|v_#valid_17|} AuxVars[] AssignedVars[main_~#b~3.offset, main_~#b~3.base, #valid, #length] [2018-01-29 00:48:44,036 INFO L84 mationBacktranslator]: Skipped ATE [301] [301] L21'-->L22''''': Formula: (= v_main_~i~3_8 0) InVars {} OutVars{main_~i~3=v_main_~i~3_8} AuxVars[] AssignedVars[main_~i~3] [2018-01-29 00:48:44,036 INFO L84 mationBacktranslator]: Skipped ATE [303] [303] L22'''''-->L22: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-29 00:48:44,036 INFO L84 mationBacktranslator]: Skipped ATE [309] [309] L22-->L23: Formula: (< v_main_~i~3_10 100) InVars {main_~i~3=v_main_~i~3_10} OutVars{main_~i~3=v_main_~i~3_10} AuxVars[] AssignedVars[] [2018-01-29 00:48:44,036 INFO L84 mationBacktranslator]: Skipped ATE [315] [315] L23-->fooENTRY: Formula: (and (= |v_foo_#in~b.offsetInParam_1| |v_main_~#b~3.offset_11|) (= |v_foo_#in~nInParam_1| v_main_~i~3_17) (= |v_foo_#in~sizeInParam_1| v_main_~i~3_17) (= |v_foo_#in~b.baseInParam_1| |v_main_~#b~3.base_13|)) InVars {main_~i~3=v_main_~i~3_17, main_~#b~3.offset=|v_main_~#b~3.offset_11|, main_~#b~3.base=|v_main_~#b~3.base_13|} OutVars{foo_#in~size=|v_foo_#in~sizeInParam_1|, foo_#in~n=|v_foo_#in~nInParam_1|, foo_#in~b.base=|v_foo_#in~b.baseInParam_1|, foo_#in~b.offset=|v_foo_#in~b.offsetInParam_1|} AuxVars[] AssignedVars[foo_#in~b.base, foo_#in~b.offset, foo_#in~size, foo_#in~n] [2018-01-29 00:48:44,036 INFO L84 mationBacktranslator]: Skipped ATE [323] [323] fooENTRY-->L12: Formula: (= v_foo_~n_1 |v_foo_#in~n_1|) InVars {foo_#in~n=|v_foo_#in~n_1|} OutVars{foo_~n=v_foo_~n_1, foo_#in~n=|v_foo_#in~n_1|} AuxVars[] AssignedVars[foo_~n] [2018-01-29 00:48:44,037 INFO L84 mationBacktranslator]: Skipped ATE [337] [337] L12-->L12': Formula: (and (= v_foo_~b.offset_1 |v_foo_#in~b.offset_1|) (= v_foo_~b.base_1 |v_foo_#in~b.base_1|)) InVars {foo_#in~b.offset=|v_foo_#in~b.offset_1|, foo_#in~b.base=|v_foo_#in~b.base_1|} OutVars{foo_~b.base=v_foo_~b.base_1, foo_~b.offset=v_foo_~b.offset_1, foo_#in~b.base=|v_foo_#in~b.base_1|, foo_#in~b.offset=|v_foo_#in~b.offset_1|} AuxVars[] AssignedVars[foo_~b.base, foo_~b.offset] [2018-01-29 00:48:44,037 INFO L84 mationBacktranslator]: Skipped ATE [349] [349] L12'-->L13: Formula: (= v_foo_~size_1 |v_foo_#in~size_1|) InVars {foo_#in~size=|v_foo_#in~size_1|} OutVars{foo_#in~size=|v_foo_#in~size_1|, foo_~size=v_foo_~size_1} AuxVars[] AssignedVars[foo_~size] [2018-01-29 00:48:44,037 INFO L84 mationBacktranslator]: Skipped ATE [359] [359] L13-->L13': Formula: true InVars {} OutVars{foo_~a~1=v_foo_~a~1_1} AuxVars[] AssignedVars[foo_~a~1] [2018-01-29 00:48:44,037 INFO L84 mationBacktranslator]: Skipped ATE [371] [371] L13'-->L14: Formula: true InVars {} OutVars{foo_~i~1=v_foo_~i~1_2} AuxVars[] AssignedVars[foo_~i~1] [2018-01-29 00:48:44,037 INFO L84 mationBacktranslator]: Skipped ATE [377] [377] L14-->L14'''''': Formula: (= v_foo_~i~1_3 0) InVars {} OutVars{foo_~i~1=v_foo_~i~1_3} AuxVars[] AssignedVars[foo_~i~1] [2018-01-29 00:48:44,037 INFO L84 mationBacktranslator]: Skipped ATE [381] [381] L14''''''-->L14': Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-29 00:48:44,037 INFO L84 mationBacktranslator]: Skipped ATE [389] [389] L14'-->L15: Formula: (< v_foo_~i~1_5 (+ v_foo_~size_3 1)) InVars {foo_~i~1=v_foo_~i~1_5, foo_~size=v_foo_~size_3} OutVars{foo_~i~1=v_foo_~i~1_5, foo_~size=v_foo_~size_3} AuxVars[] AssignedVars[] [2018-01-29 00:48:44,037 INFO L84 mationBacktranslator]: Skipped ATE [393] [393] L15-->fooErr0AssertViolation: Formula: (or (not (<= 0 v_foo_~i~1_6)) (not (< v_foo_~i~1_6 v_foo_~n_2))) InVars {foo_~i~1=v_foo_~i~1_6, foo_~n=v_foo_~n_2} OutVars{foo_~i~1=v_foo_~i~1_6, foo_~n=v_foo_~n_2} AuxVars[] AssignedVars[] [2018-01-29 00:48:44,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 12:48:44 BasicIcfg [2018-01-29 00:48:44,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-29 00:48:44,043 INFO L168 Benchmark]: Toolchain (without parser) took 7118.91 ms. Allocated memory was 304.6 MB in the beginning and 820.0 MB in the end (delta: 515.4 MB). Free memory was 265.7 MB in the beginning and 758.7 MB in the end (delta: -493.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 5.3 GB. [2018-01-29 00:48:44,044 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 304.6 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 00:48:44,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.77 ms. Allocated memory is still 304.6 MB. Free memory was 263.7 MB in the beginning and 255.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. [2018-01-29 00:48:44,044 INFO L168 Benchmark]: Boogie Preprocessor took 33.40 ms. Allocated memory is still 304.6 MB. Free memory is still 255.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 00:48:44,044 INFO L168 Benchmark]: RCFGBuilder took 229.65 ms. Allocated memory is still 304.6 MB. Free memory was 253.7 MB in the beginning and 237.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. [2018-01-29 00:48:44,044 INFO L168 Benchmark]: IcfgTransformer took 5824.67 ms. Allocated memory was 304.6 MB in the beginning and 651.2 MB in the end (delta: 346.6 MB). Free memory was 237.1 MB in the beginning and 177.5 MB in the end (delta: 59.7 MB). Peak memory consumption was 406.2 MB. Max. memory is 5.3 GB. [2018-01-29 00:48:44,045 INFO L168 Benchmark]: TraceAbstraction took 812.09 ms. Allocated memory was 651.2 MB in the beginning and 820.0 MB in the end (delta: 168.8 MB). Free memory was 177.5 MB in the beginning and 758.7 MB in the end (delta: -581.3 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 00:48:44,047 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 304.6 MB. Free memory is still 269.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 208.77 ms. Allocated memory is still 304.6 MB. Free memory was 263.7 MB in the beginning and 255.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 33.40 ms. Allocated memory is still 304.6 MB. Free memory is still 255.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * RCFGBuilder took 229.65 ms. Allocated memory is still 304.6 MB. Free memory was 253.7 MB in the beginning and 237.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. * IcfgTransformer took 5824.67 ms. Allocated memory was 304.6 MB in the beginning and 651.2 MB in the end (delta: 346.6 MB). Free memory was 237.1 MB in the beginning and 177.5 MB in the end (delta: 59.7 MB). Peak memory consumption was 406.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 812.09 ms. Allocated memory was 651.2 MB in the beginning and 820.0 MB in the end (delta: 168.8 MB). Free memory was 177.5 MB in the beginning and 758.7 MB in the end (delta: -581.3 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 : 57 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 679 LocStat_NO_SUPPORTING_DISEQUALITIES : 346 LocStat_NO_DISJUNCTIONS : -114 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 79 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 94 TransStat_NO_SUPPORTING_DISEQUALITIES : 9 TransStat_NO_DISJUNCTIONS : 80 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.150144 RENAME_VARIABLES(MILLISECONDS) : 0.254926 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.113121 PROJECTAWAY(MILLISECONDS) : 0.390241 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.094502 DISJOIN(MILLISECONDS) : 0.297927 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.283456 ADD_EQUALITY(MILLISECONDS) : 0.086143 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.054889 #CONJOIN_DISJUNCTIVE : 459 #RENAME_VARIABLES : 1012 #UNFREEZE : 0 #CONJOIN : 661 #PROJECTAWAY : 618 #ADD_WEAK_EQUALITY : 8 #DISJOIN : 136 #RENAME_VARIABLES_DISJUNCTIVE : 996 #ADD_EQUALITY : 95 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 6 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int] : 3 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 15]: array index can be out of bounds array index can be out of bounds We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 61 locations, 8 error locations. UNSAFE Result, 0.7s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 170 SDtfs, 61 SDslu, 58 SDs, 0 SdLazy, 37 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 1026 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-29_00-48-44-055.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-29_00-48-44-055.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-29_00-48-44-055.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-29_00-48-44-055.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-29_00-48-44-055.csv Received shutdown request...