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-write.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 09:39:54,573 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 09:39:54,575 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 09:39:54,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 09:39:54,593 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 09:39:54,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 09:39:54,595 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 09:39:54,597 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 09:39:54,599 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 09:39:54,600 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 09:39:54,601 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 09:39:54,601 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 09:39:54,602 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 09:39:54,605 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 09:39:54,606 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 09:39:54,609 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 09:39:54,611 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 09:39:54,613 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 09:39:54,614 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 09:39:54,615 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 09:39:54,618 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 09:39:54,618 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 09:39:54,618 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 09:39:54,619 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 09:39:54,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 09:39:54,621 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 09:39:54,622 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 09:39:54,622 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 09:39:54,622 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 09:39:54,623 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 09:39:54,623 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 09:39:54,624 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-31 09:39:54,635 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 09:39:54,635 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 09:39:54,636 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 09:39:54,636 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 09:39:54,636 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 09:39:54,636 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 09:39:54,636 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 09:39:54,637 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 09:39:54,637 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 09:39:54,637 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 09:39:54,638 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 09:39:54,638 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 09:39:54,638 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 09:39:54,638 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 09:39:54,638 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 09:39:54,639 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 09:39:54,639 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 09:39:54,639 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 09:39:54,639 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 09:39:54,639 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 09:39:54,640 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 09:39:54,640 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 09:39:54,640 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 09:39:54,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:39:54,640 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 09:39:54,641 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 09:39:54,641 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 09:39:54,641 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 09:39:54,641 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 09:39:54,641 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 09:39:54,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 09:39:54,642 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 09:39:54,643 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 09:39:54,643 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 09:39:54,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 09:39:54,688 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 09:39:54,691 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 09:39:54,692 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 09:39:54,692 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 09:39:54,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-write.c [2018-01-31 09:39:54,824 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 09:39:54,834 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-31 09:39:54,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 09:39:54,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 09:39:54,847 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 09:39:54,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:39:54" (1/1) ... [2018-01-31 09:39:54,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e1eab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:54, skipping insertion in model container [2018-01-31 09:39:54,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:39:54" (1/1) ... [2018-01-31 09:39:54,873 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:39:54,893 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:39:55,069 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:39:55,094 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:39:55,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:55 WrapperNode [2018-01-31 09:39:55,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 09:39:55,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 09:39:55,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 09:39:55,105 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 09:39:55,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:55" (1/1) ... [2018-01-31 09:39:55,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:55" (1/1) ... [2018-01-31 09:39:55,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:55" (1/1) ... [2018-01-31 09:39:55,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:55" (1/1) ... [2018-01-31 09:39:55,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:55" (1/1) ... [2018-01-31 09:39:55,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:55" (1/1) ... [2018-01-31 09:39:55,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:55" (1/1) ... [2018-01-31 09:39:55,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 09:39:55,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 09:39:55,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 09:39:55,155 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 09:39:55,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:55" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:39:55,225 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 09:39:55,225 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 09:39:55,225 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-01-31 09:39:55,225 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 09:39:55,226 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 09:39:55,226 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 09:39:55,226 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 09:39:55,226 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 09:39:55,226 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 09:39:55,227 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-01-31 09:39:55,227 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 09:39:55,227 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 09:39:55,227 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 09:39:55,725 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 09:39:55,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:39:55 BoogieIcfgContainer [2018-01-31 09:39:55,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 09:39:55,726 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-31 09:39:55,726 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-31 09:39:55,727 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-31 09:39:55,731 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:39:55" (1/1) ... [2018-01-31 09:39:55,741 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-31 09:39:55,741 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-01-31 09:39:55,741 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-31 09:39:55,804 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 7 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-31 09:39:55,840 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-31 09:39:55,904 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-31 09:40:11,917 INFO L314 AbstractInterpreter]: Visited 73 different actions 436 times. Merged at 47 different actions 229 times. Widened at 1 different actions 1 times. Found 23 fixpoints after 7 different actions. Largest state had 44 variables. [2018-01-31 09:40:11,919 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-31 09:40:11,935 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 3 [2018-01-31 09:40:11,935 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-31 09:40:11,935 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-01-31 09:40:11,936 INFO L244 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~mem6 := 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'')) [2018-01-31 09:40:11,942 INFO L547 PartitionManager]: partitioning result: [2018-01-31 09:40:11,942 INFO L552 PartitionManager]: location blocks for array group [#memory_int] [2018-01-31 09:40:11,943 INFO L562 PartitionManager]: at dimension 0 [2018-01-31 09:40:11,943 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-31 09:40:11,943 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 09:40:11,943 INFO L562 PartitionManager]: at dimension 1 [2018-01-31 09:40:11,943 INFO L563 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-01-31 09:40:11,943 INFO L564 PartitionManager]: # location blocks :1 [2018-01-31 09:40:11,944 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-31 09:40:11,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:40:11 BasicIcfg [2018-01-31 09:40:11,971 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-31 09:40:11,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 09:40:11,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 09:40:11,976 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 09:40:11,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:39:54" (1/4) ... [2018-01-31 09:40:11,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b23632b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:40:11, skipping insertion in model container [2018-01-31 09:40:11,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:39:55" (2/4) ... [2018-01-31 09:40:11,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b23632b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:40:11, skipping insertion in model container [2018-01-31 09:40:11,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:39:55" (3/4) ... [2018-01-31 09:40:11,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b23632b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:40:11, skipping insertion in model container [2018-01-31 09:40:11,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 09:40:11" (4/4) ... [2018-01-31 09:40:11,980 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-31 09:40:11,989 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 09:40:12,002 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-01-31 09:40:12,133 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 09:40:12,133 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 09:40:12,133 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 09:40:12,133 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 09:40:12,133 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 09:40:12,134 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 09:40:12,134 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 09:40:12,134 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 09:40:12,135 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 09:40:12,148 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-01-31 09:40:12,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-31 09:40:12,153 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:40:12,154 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:40:12,154 INFO L371 AbstractCegarLoop]: === Iteration 1 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-01-31 09:40:12,157 INFO L82 PathProgramCache]: Analyzing trace with hash 504851325, now seen corresponding path program 1 times [2018-01-31 09:40:12,158 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:40:12,158 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:40:12,197 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:40:12,197 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:40:12,197 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:40:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:40:12,248 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:40:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:40:12,358 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:40:12,358 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-31 09:40:12,360 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-31 09:40:12,370 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-31 09:40:12,371 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-31 09:40:12,373 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 3 states. [2018-01-31 09:40:12,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:40:12,489 INFO L93 Difference]: Finished difference Result 117 states and 136 transitions. [2018-01-31 09:40:12,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-31 09:40:12,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-01-31 09:40:12,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:40:12,501 INFO L225 Difference]: With dead ends: 117 [2018-01-31 09:40:12,501 INFO L226 Difference]: Without dead ends: 59 [2018-01-31 09:40:12,507 INFO L554 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 [2018-01-31 09:40:12,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-01-31 09:40:12,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-01-31 09:40:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-01-31 09:40:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2018-01-31 09:40:12,550 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 64 transitions. Word has length 10 [2018-01-31 09:40:12,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:40:12,550 INFO L432 AbstractCegarLoop]: Abstraction has 59 states and 64 transitions. [2018-01-31 09:40:12,550 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-31 09:40:12,550 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2018-01-31 09:40:12,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-31 09:40:12,552 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:40:12,552 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:40:12,552 INFO L371 AbstractCegarLoop]: === Iteration 2 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-01-31 09:40:12,553 INFO L82 PathProgramCache]: Analyzing trace with hash 504851327, now seen corresponding path program 1 times [2018-01-31 09:40:12,553 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:40:12,553 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:40:12,554 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:40:12,554 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:40:12,554 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:40:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:40:12,579 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:40:12,981 WARN L146 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 15 DAG size of output 11 [2018-01-31 09:40:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 09:40:12,988 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:40:12,989 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-31 09:40:12,990 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-31 09:40:12,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-31 09:40:12,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-31 09:40:12,990 INFO L87 Difference]: Start difference. First operand 59 states and 64 transitions. Second operand 4 states. [2018-01-31 09:40:13,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:40:13,155 INFO L93 Difference]: Finished difference Result 98 states and 110 transitions. [2018-01-31 09:40:13,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-31 09:40:13,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-01-31 09:40:13,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:40:13,159 INFO L225 Difference]: With dead ends: 98 [2018-01-31 09:40:13,159 INFO L226 Difference]: Without dead ends: 78 [2018-01-31 09:40:13,160 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-31 09:40:13,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-01-31 09:40:13,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 67. [2018-01-31 09:40:13,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-01-31 09:40:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 74 transitions. [2018-01-31 09:40:13,172 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 74 transitions. Word has length 10 [2018-01-31 09:40:13,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:40:13,172 INFO L432 AbstractCegarLoop]: Abstraction has 67 states and 74 transitions. [2018-01-31 09:40:13,172 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-31 09:40:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2018-01-31 09:40:13,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-31 09:40:13,173 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:40:13,173 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:40:13,174 INFO L371 AbstractCegarLoop]: === Iteration 3 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-01-31 09:40:13,174 INFO L82 PathProgramCache]: Analyzing trace with hash -655754498, now seen corresponding path program 1 times [2018-01-31 09:40:13,174 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:40:13,174 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:40:13,175 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:40:13,175 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:40:13,175 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:40:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:40:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 09:40:13,238 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-01-31 09:40:13,241 INFO L84 mationBacktranslator]: Skipped ATE [293] [293] 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] [2018-01-31 09:40:13,241 INFO L84 mationBacktranslator]: Skipped ATE [299] [299] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:40:13,242 INFO L84 mationBacktranslator]: Skipped ATE [305] [305] mainENTRY-->L21: Formula: true InVars {} OutVars{main_~i~3=v_main_~i~3_9} AuxVars[] AssignedVars[main_~i~3] [2018-01-31 09:40:13,242 INFO L84 mationBacktranslator]: Skipped ATE [309] [309] 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] [2018-01-31 09:40:13,242 INFO L84 mationBacktranslator]: Skipped ATE [313] [313] L21'-->L22''''': Formula: (= v_main_~i~3_10 0) InVars {} OutVars{main_~i~3=v_main_~i~3_10} AuxVars[] AssignedVars[main_~i~3] [2018-01-31 09:40:13,242 INFO L84 mationBacktranslator]: Skipped ATE [315] [315] L22'''''-->L22: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:40:13,242 INFO L84 mationBacktranslator]: Skipped ATE [321] [321] L22-->L23: Formula: (< v_main_~i~3_12 100) InVars {main_~i~3=v_main_~i~3_12} OutVars{main_~i~3=v_main_~i~3_12} AuxVars[] AssignedVars[] [2018-01-31 09:40:13,242 INFO L84 mationBacktranslator]: Skipped ATE [327] [327] 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_19) (= |v_foo_#in~sizeInParam_1| (+ v_main_~i~3_19 1)) (= |v_foo_#in~b.baseInParam_1| |v_main_~#b~3.base_13|)) InVars {main_~i~3=v_main_~i~3_19, 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] [2018-01-31 09:40:13,243 INFO L84 mationBacktranslator]: Skipped ATE [335] [335] 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] [2018-01-31 09:40:13,243 INFO L84 mationBacktranslator]: Skipped ATE [349] [349] 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] [2018-01-31 09:40:13,243 INFO L84 mationBacktranslator]: Skipped ATE [361] [361] 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] [2018-01-31 09:40:13,243 INFO L84 mationBacktranslator]: Skipped ATE [371] [371] L13-->L13': Formula: true InVars {} OutVars{foo_~a~1=v_foo_~a~1_1} AuxVars[] AssignedVars[foo_~a~1] [2018-01-31 09:40:13,243 INFO L84 mationBacktranslator]: Skipped ATE [383] [383] L13'-->L14: Formula: true InVars {} OutVars{foo_~i~1=v_foo_~i~1_2} AuxVars[] AssignedVars[foo_~i~1] [2018-01-31 09:40:13,243 INFO L84 mationBacktranslator]: Skipped ATE [391] [391] L14-->L14'''''': Formula: (= v_foo_~i~1_3 0) InVars {} OutVars{foo_~i~1=v_foo_~i~1_3} AuxVars[] AssignedVars[foo_~i~1] [2018-01-31 09:40:13,244 INFO L84 mationBacktranslator]: Skipped ATE [397] [397] L14''''''-->L14': Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-31 09:40:13,244 INFO L84 mationBacktranslator]: Skipped ATE [407] [407] L14'-->L15: Formula: (< v_foo_~i~1_5 v_foo_~size_3) 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[] [2018-01-31 09:40:13,244 INFO L84 mationBacktranslator]: Skipped ATE [411] [411] 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[] [2018-01-31 09:40:13,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:40:13 BasicIcfg [2018-01-31 09:40:13,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 09:40:13,255 INFO L168 Benchmark]: Toolchain (without parser) took 18429.90 ms. Allocated memory was 306.7 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 267.4 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 28.4 MB. Max. memory is 5.3 GB. [2018-01-31 09:40:13,256 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 306.7 MB. Free memory is still 271.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:40:13,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.90 ms. Allocated memory is still 306.7 MB. Free memory was 265.4 MB in the beginning and 257.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:40:13,256 INFO L168 Benchmark]: Boogie Preprocessor took 49.42 ms. Allocated memory is still 306.7 MB. Free memory was 257.5 MB in the beginning and 255.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:40:13,256 INFO L168 Benchmark]: RCFGBuilder took 570.66 ms. Allocated memory is still 306.7 MB. Free memory was 255.5 MB in the beginning and 238.5 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:40:13,257 INFO L168 Benchmark]: IcfgTransformer took 16245.04 ms. Allocated memory was 306.7 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 238.5 MB in the beginning and 535.9 MB in the end (delta: -297.4 MB). Peak memory consumption was 740.7 MB. Max. memory is 5.3 GB. [2018-01-31 09:40:13,257 INFO L168 Benchmark]: TraceAbstraction took 1282.87 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 79.2 MB). Free memory was 535.9 MB in the beginning and 1.4 GB in the end (delta: -820.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:40:13,259 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 306.7 MB. Free memory is still 271.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 266.90 ms. Allocated memory is still 306.7 MB. Free memory was 265.4 MB in the beginning and 257.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 49.42 ms. Allocated memory is still 306.7 MB. Free memory was 257.5 MB in the beginning and 255.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 570.66 ms. Allocated memory is still 306.7 MB. Free memory was 255.5 MB in the beginning and 238.5 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. * IcfgTransformer took 16245.04 ms. Allocated memory was 306.7 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 238.5 MB in the beginning and 535.9 MB in the end (delta: -297.4 MB). Peak memory consumption was 740.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1282.87 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 79.2 MB). Free memory was 535.9 MB in the beginning and 1.4 GB in the end (delta: -820.4 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 : 60 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 773 LocStat_NO_SUPPORTING_DISEQUALITIES : 860 LocStat_NO_DISJUNCTIONS : -120 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 82 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 117 TransStat_NO_SUPPORTING_DISEQUALITIES : 9 TransStat_NO_DISJUNCTIONS : 83 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.956733 RENAME_VARIABLES(MILLISECONDS) : 0.401556 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.916455 PROJECTAWAY(MILLISECONDS) : 1.675553 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.062220 DISJOIN(MILLISECONDS) : 0.612885 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.437895 ADD_EQUALITY(MILLISECONDS) : 0.022168 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.031163 #CONJOIN_DISJUNCTIVE : 721 #RENAME_VARIABLES : 1612 #UNFREEZE : 0 #CONJOIN : 1042 #PROJECTAWAY : 940 #ADD_WEAK_EQUALITY : 8 #DISJOIN : 200 #RENAME_VARIABLES_DISJUNCTIVE : 1594 #ADD_EQUALITY : 118 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 6 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int] : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int] : 3 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 15]: array index can be out of bounds array index can be out of bounds We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 64 locations, 8 error locations. UNSAFE Result, 1.1s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 115 SDtfs, 69 SDslu, 93 SDs, 0 SdLazy, 59 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=2, 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, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 945 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/ArraysOfVariableLength_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-31_09-40-13-268.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-31_09-40-13-268.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-31_09-40-13-268.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-31_09-40-13-268.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_09-40-13-268.csv Received shutdown request...