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/memsafety/960521-1_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a [2018-01-30 01:25:50,773 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-30 01:25:50,774 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-30 01:25:50,786 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-30 01:25:50,787 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-30 01:25:50,788 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-30 01:25:50,789 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-30 01:25:50,790 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-30 01:25:50,792 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-30 01:25:50,792 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-30 01:25:50,793 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-30 01:25:50,793 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-30 01:25:50,794 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-30 01:25:50,794 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-30 01:25:50,795 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-30 01:25:50,798 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-30 01:25:50,800 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-30 01:25:50,802 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-30 01:25:50,803 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-30 01:25:50,805 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-30 01:25:50,807 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-30 01:25:50,807 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-30 01:25:50,807 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-30 01:25:50,808 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-30 01:25:50,809 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-30 01:25:50,810 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-30 01:25:50,811 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-30 01:25:50,811 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-30 01:25:50,811 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-30 01:25:50,812 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-30 01:25:50,812 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-30 01:25:50,813 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-30 01:25:50,822 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-30 01:25:50,822 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-30 01:25:50,823 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-30 01:25:50,823 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-30 01:25:50,824 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-30 01:25:50,824 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-30 01:25:50,824 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-30 01:25:50,825 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-30 01:25:50,825 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-30 01:25:50,825 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-30 01:25:50,825 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-30 01:25:50,825 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-30 01:25:50,826 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-30 01:25:50,826 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-30 01:25:50,826 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-30 01:25:50,826 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-30 01:25:50,826 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-30 01:25:50,827 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-30 01:25:50,827 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-30 01:25:50,827 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-30 01:25:50,827 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-30 01:25:50,827 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-30 01:25:50,828 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-30 01:25:50,828 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-30 01:25:50,828 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-30 01:25:50,828 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-30 01:25:50,829 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-30 01:25:50,829 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-30 01:25:50,829 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-30 01:25:50,829 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-30 01:25:50,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-30 01:25:50,829 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-30 01:25:50,830 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-30 01:25:50,831 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-30 01:25:50,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-30 01:25:50,878 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-30 01:25:50,882 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-30 01:25:50,884 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-30 01:25:50,884 INFO L276 PluginConnector]: CDTParser initialized [2018-01-30 01:25:50,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/960521-1_false-valid-deref.i [2018-01-30 01:25:51,057 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-30 01:25:51,063 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-30 01:25:51,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-30 01:25:51,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-30 01:25:51,069 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-30 01:25:51,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 01:25:51" (1/1) ... [2018-01-30 01:25:51,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c42bca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:25:51, skipping insertion in model container [2018-01-30 01:25:51,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 01:25:51" (1/1) ... [2018-01-30 01:25:51,090 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 01:25:51,129 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 01:25:51,244 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 01:25:51,261 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 01:25:51,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:25:51 WrapperNode [2018-01-30 01:25:51,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-30 01:25:51,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-30 01:25:51,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-30 01:25:51,270 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-30 01:25:51,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:25:51" (1/1) ... [2018-01-30 01:25:51,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:25:51" (1/1) ... [2018-01-30 01:25:51,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:25:51" (1/1) ... [2018-01-30 01:25:51,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:25:51" (1/1) ... [2018-01-30 01:25:51,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:25:51" (1/1) ... [2018-01-30 01:25:51,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:25:51" (1/1) ... [2018-01-30 01:25:51,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:25:51" (1/1) ... [2018-01-30 01:25:51,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-30 01:25:51,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-30 01:25:51,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-30 01:25:51,302 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-30 01:25:51,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:25:51" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-30 01:25:51,356 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-30 01:25:51,356 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-30 01:25:51,356 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-01-30 01:25:51,356 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-30 01:25:51,357 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-30 01:25:51,357 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-30 01:25:51,357 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-30 01:25:51,357 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-30 01:25:51,357 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-30 01:25:51,357 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-30 01:25:51,357 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-30 01:25:51,357 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-01-30 01:25:51,357 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-30 01:25:51,357 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-30 01:25:51,358 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-30 01:25:51,617 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-30 01:25:51,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 01:25:51 BoogieIcfgContainer [2018-01-30 01:25:51,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-30 01:25:51,618 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-30 01:25:51,618 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-30 01:25:51,619 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-30 01:25:51,622 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 01:25:51" (1/1) ... [2018-01-30 01:25:51,628 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-30 01:25:51,628 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-01-30 01:25:51,629 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-30 01:25:51,676 INFO L162 apSepIcfgTransformer]: finished StoreIndexFreezer, created 13 freeze vars and freeze var literals (each corresponds to one heap write) [2018-01-30 01:25:51,710 INFO L221 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-30 01:25:51,763 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-30 01:26:07,919 INFO L311 AbstractInterpreter]: Visited 73 different actions 196 times. Merged at 34 different actions 87 times. Widened at 1 different actions 3 times. Found 10 fixpoints after 4 different actions. Largest state had 67 variables. [2018-01-30 01:26:07,921 INFO L229 apSepIcfgTransformer]: finished equality analysis [2018-01-30 01:26:07,931 INFO L244 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 4 [2018-01-30 01:26:07,932 INFO L241 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-30 01:26:07,932 INFO L242 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-01-30 01:26:07,932 INFO L244 apSepIcfgTransformer]: select infos: Set: ((select |v_#memory_int_2| v_~b.base_2), at (SUMMARY for call write~int(-1, ~b.base, ~b.offset + ~i~3 * 4, 4); srcloc: L627)) ((select (select |v_#memory_int_11| v_~b.base_18) (+ v_~b.offset_16 (- 8))), at (SUMMARY for call #t~mem8 := read~int(~b.base, ~b.offset + -8, 4); srcloc: L635')) ((select |v_#memory_int_4| v_~a.base_2), at (SUMMARY for call write~int(-1, ~a.base, ~a.offset + ~i~3 * 4, 4); srcloc: L625)) ((select |v_#memory_int_8| |v_main_#t~post6.base_3|), at (SUMMARY for call write~int(0, #t~post6.base, #t~post6.offset, 4); srcloc: L634'')) [2018-01-30 01:26:07,941 INFO L547 PartitionManager]: partitioning result: [2018-01-30 01:26:07,941 INFO L552 PartitionManager]: location blocks for array group [#memory_int] [2018-01-30 01:26:07,941 INFO L561 PartitionManager]: at dimension 0 [2018-01-30 01:26:07,941 INFO L562 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 4 [2018-01-30 01:26:07,942 INFO L563 PartitionManager]: # location blocks :3 [2018-01-30 01:26:07,942 INFO L561 PartitionManager]: at dimension 1 [2018-01-30 01:26:07,942 INFO L562 PartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-01-30 01:26:07,942 INFO L563 PartitionManager]: # location blocks :1 [2018-01-30 01:26:07,943 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-30 01:26:07,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 01:26:07 BasicIcfg [2018-01-30 01:26:07,959 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-30 01:26:07,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-30 01:26:07,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-30 01:26:07,963 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-30 01:26:07,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 01:25:51" (1/4) ... [2018-01-30 01:26:07,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef5a099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 01:26:07, skipping insertion in model container [2018-01-30 01:26:07,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 01:25:51" (2/4) ... [2018-01-30 01:26:07,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef5a099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 01:26:07, skipping insertion in model container [2018-01-30 01:26:07,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 01:25:51" (3/4) ... [2018-01-30 01:26:07,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef5a099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 01:26:07, skipping insertion in model container [2018-01-30 01:26:07,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 30.01 01:26:07" (4/4) ... [2018-01-30 01:26:07,966 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-30 01:26:07,972 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-30 01:26:08,036 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-01-30 01:26:08,064 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-30 01:26:08,065 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-30 01:26:08,065 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-30 01:26:08,065 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-30 01:26:08,065 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-30 01:26:08,065 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-30 01:26:08,065 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-30 01:26:08,066 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-30 01:26:08,066 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-30 01:26:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2018-01-30 01:26:08,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-30 01:26:08,082 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 01:26:08,083 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 01:26:08,083 INFO L371 AbstractCegarLoop]: === Iteration 1 === [fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12EnsuresViolation]=== [2018-01-30 01:26:08,086 INFO L82 PathProgramCache]: Analyzing trace with hash 506698167, now seen corresponding path program 1 times [2018-01-30 01:26:08,087 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 01:26:08,088 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 01:26:08,125 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 01:26:08,125 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 01:26:08,125 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 01:26:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 01:26:08,178 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 01:26:08,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 01:26:08,265 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 01:26:08,265 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-30 01:26:08,267 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-30 01:26:08,274 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-30 01:26:08,275 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-30 01:26:08,277 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 5 states. [2018-01-30 01:26:08,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 01:26:08,479 INFO L93 Difference]: Finished difference Result 99 states and 110 transitions. [2018-01-30 01:26:08,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-30 01:26:08,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-01-30 01:26:08,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 01:26:08,491 INFO L225 Difference]: With dead ends: 99 [2018-01-30 01:26:08,491 INFO L226 Difference]: Without dead ends: 60 [2018-01-30 01:26:08,494 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-30 01:26:08,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-01-30 01:26:08,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-01-30 01:26:08,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-01-30 01:26:08,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2018-01-30 01:26:08,526 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 10 [2018-01-30 01:26:08,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 01:26:08,527 INFO L432 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2018-01-30 01:26:08,527 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-30 01:26:08,527 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2018-01-30 01:26:08,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-30 01:26:08,528 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 01:26:08,528 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 01:26:08,528 INFO L371 AbstractCegarLoop]: === Iteration 2 === [fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12EnsuresViolation]=== [2018-01-30 01:26:08,528 INFO L82 PathProgramCache]: Analyzing trace with hash 506698169, now seen corresponding path program 1 times [2018-01-30 01:26:08,528 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 01:26:08,528 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 01:26:08,529 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 01:26:08,529 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 01:26:08,530 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 01:26:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 01:26:08,546 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 01:26:08,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 01:26:08,705 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 01:26:08,705 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-30 01:26:08,706 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-30 01:26:08,707 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-30 01:26:08,707 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-30 01:26:08,707 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 6 states. [2018-01-30 01:26:08,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 01:26:08,887 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-01-30 01:26:08,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-30 01:26:08,888 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-01-30 01:26:08,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 01:26:08,889 INFO L225 Difference]: With dead ends: 60 [2018-01-30 01:26:08,889 INFO L226 Difference]: Without dead ends: 59 [2018-01-30 01:26:08,889 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-01-30 01:26:08,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-01-30 01:26:08,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-01-30 01:26:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-01-30 01:26:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2018-01-30 01:26:08,896 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 10 [2018-01-30 01:26:08,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 01:26:08,897 INFO L432 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2018-01-30 01:26:08,897 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-30 01:26:08,897 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2018-01-30 01:26:08,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-30 01:26:08,897 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 01:26:08,897 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 01:26:08,898 INFO L371 AbstractCegarLoop]: === Iteration 3 === [fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12EnsuresViolation]=== [2018-01-30 01:26:08,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1764679198, now seen corresponding path program 1 times [2018-01-30 01:26:08,898 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 01:26:08,898 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 01:26:08,899 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 01:26:08,899 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 01:26:08,899 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 01:26:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-30 01:26:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-30 01:26:08,940 INFO L409 BasicCegarLoop]: Counterexample might be feasible [2018-01-30 01:26:08,942 INFO L84 mationBacktranslator]: Skipped ATE [293] [293] ULTIMATE.startENTRY-->L1: Formula: true InVars {} OutVars{~n=v_~n_4, #valid=|v_#valid_7|, ~a.base=v_~a.base_5, ~b.offset=v_~b.offset_4, #NULL.offset=|v_#NULL.offset_2|, ~a.offset=v_~a.offset_4, #NULL.base=|v_#NULL.base_2|, ~b.base=v_~b.base_5} AuxVars[] AssignedVars[~n, #valid, ~a.base, ~b.offset, #NULL.offset, ~a.offset, #NULL.base, ~b.base] [2018-01-30 01:26:08,942 INFO L84 mationBacktranslator]: Skipped ATE [299] [299] L1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-01-30 01:26:08,942 INFO L84 mationBacktranslator]: Skipped ATE [305] [305] mainENTRY-->L632: Formula: (= v_~n_8 128) InVars {} OutVars{~n=v_~n_8} AuxVars[] AssignedVars[~n] [2018-01-30 01:26:08,943 INFO L84 mationBacktranslator]: Skipped ATE [309] [309] L632-->L632': Formula: (and (= (store |v_#length_9| |v_main_#t~malloc4.base_1| (* 4 v_~n_9)) |v_#length_8|) (= (select |v_#valid_27| |v_main_#t~malloc4.base_1|) 0) (not (= |v_main_#t~malloc4.base_1| 0)) (= |v_main_#t~malloc4.offset_1| 0) (= |v_#valid_26| (store |v_#valid_27| |v_main_#t~malloc4.base_1| 1))) InVars {~n=v_~n_9, #length=|v_#length_9|, #valid=|v_#valid_27|} OutVars{~n=v_~n_9, #length=|v_#length_8|, main_#t~malloc4.base=|v_main_#t~malloc4.base_1|, #valid=|v_#valid_26|, main_#t~malloc4.offset=|v_main_#t~malloc4.offset_1|} AuxVars[] AssignedVars[#valid, #length, main_#t~malloc4.base, main_#t~malloc4.offset] [2018-01-30 01:26:08,943 INFO L84 mationBacktranslator]: Skipped ATE [313] [313] L632'-->L633: Formula: (and (= v_~a.base_13 |v_main_#t~malloc4.base_2|) (= v_~a.offset_12 |v_main_#t~malloc4.offset_2|)) InVars {main_#t~malloc4.base=|v_main_#t~malloc4.base_2|, main_#t~malloc4.offset=|v_main_#t~malloc4.offset_2|} OutVars{main_#t~malloc4.base=|v_main_#t~malloc4.base_2|, ~a.offset=v_~a.offset_12, ~a.base=v_~a.base_13, main_#t~malloc4.offset=|v_main_#t~malloc4.offset_2|} AuxVars[] AssignedVars[~a.base, ~a.offset] [2018-01-30 01:26:08,943 INFO L84 mationBacktranslator]: Skipped ATE [317] [317] L633-->L633': Formula: (and (not (= 0 |v_main_#t~malloc5.base_1|)) (= (store |v_#valid_29| |v_main_#t~malloc5.base_1| 1) |v_#valid_28|) (= |v_main_#t~malloc5.offset_1| 0) (= (store |v_#length_11| |v_main_#t~malloc5.base_1| (* 4 v_~n_10)) |v_#length_10|) (= 0 (select |v_#valid_29| |v_main_#t~malloc5.base_1|))) InVars {~n=v_~n_10, #length=|v_#length_11|, #valid=|v_#valid_29|} OutVars{main_#t~malloc5.offset=|v_main_#t~malloc5.offset_1|, ~n=v_~n_10, #length=|v_#length_10|, main_#t~malloc5.base=|v_main_#t~malloc5.base_1|, #valid=|v_#valid_28|} AuxVars[] AssignedVars[main_#t~malloc5.offset, #valid, #length, main_#t~malloc5.base] [2018-01-30 01:26:08,943 INFO L84 mationBacktranslator]: Skipped ATE [321] [321] L633'-->L634: Formula: (and (= v_~b.offset_13 |v_main_#t~malloc5.offset_2|) (= v_~b.base_15 |v_main_#t~malloc5.base_2|)) InVars {main_#t~malloc5.offset=|v_main_#t~malloc5.offset_2|, main_#t~malloc5.base=|v_main_#t~malloc5.base_2|} OutVars{main_#t~malloc5.offset=|v_main_#t~malloc5.offset_2|, main_#t~malloc5.base=|v_main_#t~malloc5.base_2|, ~b.base=v_~b.base_15, ~b.offset=v_~b.offset_13} AuxVars[] AssignedVars[~b.offset, ~b.base] [2018-01-30 01:26:08,943 INFO L84 mationBacktranslator]: Skipped ATE [325] [325] L634-->L634': Formula: (and (= |v_main_#t~post6.base_1| v_~b.base_16) (= |v_main_#t~post6.offset_1| v_~b.offset_14)) InVars {~b.base=v_~b.base_16, ~b.offset=v_~b.offset_14} OutVars{main_#t~post6.base=|v_main_#t~post6.base_1|, ~b.base=v_~b.base_16, ~b.offset=v_~b.offset_14, main_#t~post6.offset=|v_main_#t~post6.offset_1|} AuxVars[] AssignedVars[main_#t~post6.base, main_#t~post6.offset] [2018-01-30 01:26:08,943 INFO L84 mationBacktranslator]: Skipped ATE [327] [327] L634'-->L634'': Formula: (and (= v_~b.offset_15 (+ |v_main_#t~post6.offset_2| 4)) (= v_~b.base_17 |v_main_#t~post6.base_2|)) InVars {main_#t~post6.base=|v_main_#t~post6.base_2|, main_#t~post6.offset=|v_main_#t~post6.offset_2|} OutVars{~b.base=v_~b.base_17, main_#t~post6.base=|v_main_#t~post6.base_2|, ~b.offset=v_~b.offset_15, main_#t~post6.offset=|v_main_#t~post6.offset_2|} AuxVars[] AssignedVars[~b.offset, ~b.base] [2018-01-30 01:26:08,943 INFO L84 mationBacktranslator]: Skipped ATE [329] [329] L634''-->L634''': Formula: (and (<= 0 |v_main_#t~post6.offset_3|) (<= (+ |v_main_#t~post6.offset_3| 4) (select |v_#length_12| |v_main_#t~post6.base_3|)) (and (= |v_#memory_int_part_locs_76_locs_19_1| (store |v_#memory_int_part_locs_76_locs_19_2| |v_main_#t~post6.base_3| (store (select |v_#memory_int_part_locs_30_locs_19_2| |v_main_#t~post6.base_3|) |v_main_#t~post6.offset_3| 0))) (= |v_#memory_int_part_locs_40_locs_19_1| |v_#memory_int_part_locs_40_locs_19_2|) (= |v_#memory_int_part_locs_30_locs_19_1| |v_#memory_int_part_locs_30_locs_19_2|)) (= (select |v_#valid_30| |v_main_#t~post6.base_3|) 1)) InVars {#memory_int_part_locs_40_locs_19=|v_#memory_int_part_locs_40_locs_19_2|, #memory_int_part_locs_30_locs_19=|v_#memory_int_part_locs_30_locs_19_2|, #valid=|v_#valid_30|, #length=|v_#length_12|, #memory_int_part_locs_76_locs_19=|v_#memory_int_part_locs_76_locs_19_2|, main_#t~post6.base=|v_main_#t~post6.base_3|, main_#t~post6.offset=|v_main_#t~post6.offset_3|} OutVars{#memory_int_part_locs_40_locs_19=|v_#memory_int_part_locs_40_locs_19_1|, #memory_int_part_locs_30_locs_19=|v_#memory_int_part_locs_30_locs_19_1|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_7|, #length=|v_#length_12|, #memory_int_part_locs_76_locs_19=|v_#memory_int_part_locs_76_locs_19_1|, main_#t~post6.base=|v_main_#t~post6.base_3|, main_#t~post6.offset=|v_main_#t~post6.offset_3|} AuxVars[] AssignedVars[#memory_int_part_locs_40_locs_19, #memory_int_part_locs_30_locs_19, #memory_int, #memory_int_part_locs_76_locs_19] [2018-01-30 01:26:08,943 INFO L84 mationBacktranslator]: Skipped ATE [335] [335] L634'''-->L635: Formula: true InVars {} OutVars{main_#t~post6.base=|v_main_#t~post6.base_6|, main_#t~post6.offset=|v_main_#t~post6.offset_5|} AuxVars[] AssignedVars[main_#t~post6.base, main_#t~post6.offset] [2018-01-30 01:26:08,943 INFO L84 mationBacktranslator]: Skipped ATE [337] [337] L635-->L635': Formula: true InVars {} OutVars{#memory_int=|v_#memory_int_9|} AuxVars[] AssignedVars[#memory_int] [2018-01-30 01:26:08,944 INFO L84 mationBacktranslator]: Skipped ATE [345] [345] L635'-->mainErr3RequiresViolation: Formula: (or (not (<= v_~b.offset_8 (+ (select |v_#length_7| v_~b.base_10) 4))) (not (<= 8 v_~b.offset_8))) InVars {#length=|v_#length_7|, ~b.base=v_~b.base_10, ~b.offset=v_~b.offset_8} OutVars{#length=|v_#length_7|, ~b.base=v_~b.base_10, ~b.offset=v_~b.offset_8} AuxVars[] AssignedVars[] [2018-01-30 01:26:08,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 01:26:08 BasicIcfg [2018-01-30 01:26:08,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-30 01:26:08,948 INFO L168 Benchmark]: Toolchain (without parser) took 17890.81 ms. Allocated memory was 300.4 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 260.4 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 59.9 MB. Max. memory is 5.3 GB. [2018-01-30 01:26:08,949 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 300.4 MB. Free memory is still 266.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 01:26:08,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.11 ms. Allocated memory is still 300.4 MB. Free memory was 259.5 MB in the beginning and 249.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-30 01:26:08,949 INFO L168 Benchmark]: Boogie Preprocessor took 31.51 ms. Allocated memory is still 300.4 MB. Free memory was 249.4 MB in the beginning and 247.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-30 01:26:08,950 INFO L168 Benchmark]: RCFGBuilder took 316.74 ms. Allocated memory is still 300.4 MB. Free memory was 247.4 MB in the beginning and 228.8 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 5.3 GB. [2018-01-30 01:26:08,950 INFO L168 Benchmark]: IcfgTransformer took 16340.80 ms. Allocated memory was 300.4 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 228.8 MB in the beginning and 167.6 MB in the end (delta: 61.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 5.3 GB. [2018-01-30 01:26:08,950 INFO L168 Benchmark]: TraceAbstraction took 987.56 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 208.7 MB). Free memory was 167.6 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 01:26:08,952 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 300.4 MB. Free memory is still 266.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 205.11 ms. Allocated memory is still 300.4 MB. Free memory was 259.5 MB in the beginning and 249.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.51 ms. Allocated memory is still 300.4 MB. Free memory was 249.4 MB in the beginning and 247.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 316.74 ms. Allocated memory is still 300.4 MB. Free memory was 247.4 MB in the beginning and 228.8 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 5.3 GB. * IcfgTransformer took 16340.80 ms. Allocated memory was 300.4 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 228.8 MB in the beginning and 167.6 MB in the end (delta: 61.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 5.3 GB. * TraceAbstraction took 987.56 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 208.7 MB). Free memory was 167.6 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 55 LocStat_MAX_WEQGRAPH_SIZE : 4 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 1891 LocStat_NO_SUPPORTING_DISEQUALITIES : 1767 LocStat_NO_DISJUNCTIONS : -110 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 82 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 247 TransStat_NO_SUPPORTING_DISEQUALITIES : 30 TransStat_NO_DISJUNCTIONS : 96 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.006962 RENAME_VARIABLES(MILLISECONDS) : 1.973568 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.000944 PROJECTAWAY(MILLISECONDS) : 0.236660 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.101204 DISJOIN(MILLISECONDS) : 1.363112 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 2.000190 ADD_EQUALITY(MILLISECONDS) : 0.055328 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.039851 #CONJOIN_DISJUNCTIVE : 339 #RENAME_VARIABLES : 725 #UNFREEZE : 0 #CONJOIN : 710 #PROJECTAWAY : 438 #ADD_WEAK_EQUALITY : 15 #DISJOIN : 90 #RENAME_VARIABLES_DISJUNCTIVE : 689 #ADD_EQUALITY : 206 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 24 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int] : 3 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0 : 4 COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : 3 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1 : 3 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int] : 4 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 66 locations, 17 error locations. UNSAFE Result, 0.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 104 SDtfs, 130 SDslu, 205 SDs, 0 SdLazy, 129 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 648 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/960521-1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-30_01-26-08-959.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-30_01-26-08-959.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-30_01-26-08-959.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-30_01-26-08-959.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-30_01-26-08-959.csv Received shutdown request...