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/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf -i ../../../trunk/examples/svcomp/array-memsafety/mult_array-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:21:58,538 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:21:58,539 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:21:58,554 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:21:58,554 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:21:58,555 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:21:58,556 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:21:58,558 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:21:58,561 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:21:58,561 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:21:58,562 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:21:58,563 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:21:58,564 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:21:58,564 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:21:58,565 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:21:58,568 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:21:58,570 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:21:58,572 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:21:58,573 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:21:58,574 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:21:58,577 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 16:21:58,577 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 16:21:58,577 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 16:21:58,578 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 16:21:58,579 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 16:21:58,580 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 16:21:58,581 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 16:21:58,581 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 16:21:58,581 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 16:21:58,582 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 16:21:58,582 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 16:21:58,583 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_imprecise.epf [2018-01-24 16:21:58,593 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:21:58,593 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:21:58,594 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:21:58,594 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:21:58,594 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:21:58,595 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:21:58,595 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:21:58,595 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:21:58,596 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:21:58,596 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:21:58,596 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:21:58,596 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:21:58,596 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:21:58,597 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:21:58,597 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:21:58,597 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:21:58,597 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:21:58,598 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:21:58,598 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:21:58,598 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:21:58,598 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:21:58,598 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:21:58,599 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:21:58,599 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:21:58,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:21:58,599 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:21:58,600 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:21:58,600 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:21:58,600 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:21:58,600 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:21:58,600 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:21:58,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:21:58,601 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:21:58,602 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:21:58,602 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:21:58,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:21:58,653 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:21:58,657 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:21:58,659 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:21:58,659 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:21:58,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/mult_array-alloca_true-valid-memsafety_true-termination.i [2018-01-24 16:21:58,836 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:21:58,842 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:21:58,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:21:58,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:21:58,848 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:21:58,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:21:58" (1/1) ... [2018-01-24 16:21:58,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d3f258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:58, skipping insertion in model container [2018-01-24 16:21:58,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:21:58" (1/1) ... [2018-01-24 16:21:58,865 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:21:58,905 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:21:59,029 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:21:59,048 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:21:59,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:59 WrapperNode [2018-01-24 16:21:59,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:21:59,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:21:59,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:21:59,058 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:21:59,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:59" (1/1) ... [2018-01-24 16:21:59,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:59" (1/1) ... [2018-01-24 16:21:59,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:59" (1/1) ... [2018-01-24 16:21:59,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:59" (1/1) ... [2018-01-24 16:21:59,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:59" (1/1) ... [2018-01-24 16:21:59,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:59" (1/1) ... [2018-01-24 16:21:59,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:59" (1/1) ... [2018-01-24 16:21:59,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:21:59,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:21:59,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:21:59,099 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:21:59,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:59" (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 [2018-01-24 16:21:59,164 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:21:59,164 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:21:59,164 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:21:59,164 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 16:21:59,164 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 16:21:59,165 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:21:59,165 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:21:59,165 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:21:59,165 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 16:21:59,165 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:21:59,165 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:21:59,166 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:21:59,435 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:21:59,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:21:59 BoogieIcfgContainer [2018-01-24 16:21:59,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:21:59,436 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:21:59,436 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:21:59,436 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:21:59,437 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:21:59" (1/1) ... [2018-01-24 16:21:59,488 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:22:00,781 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:22:00,805 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:22:00,809 INFO L268 AbstractInterpreter]: Visited 48 different actions 259 times. Merged at 35 different actions 165 times. Widened at 1 different actions 1 times. Found 28 fixpoints after 8 different actions. Largest state had 29 variables. [2018-01-24 16:22:00,812 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:22:00,813 INFO L168 Benchmark]: Toolchain (without parser) took 1976.52 ms. Allocated memory was 304.6 MB in the beginning and 388.5 MB in the end (delta: 83.9 MB). Free memory was 264.6 MB in the beginning and 330.8 MB in the end (delta: -66.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. [2018-01-24 16:22:00,814 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 304.6 MB. Free memory is still 270.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:22:00,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.83 ms. Allocated memory is still 304.6 MB. Free memory was 263.6 MB in the beginning and 253.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-01-24 16:22:00,815 INFO L168 Benchmark]: Boogie Preprocessor took 40.15 ms. Allocated memory is still 304.6 MB. Free memory was 253.3 MB in the beginning and 252.3 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-24 16:22:00,815 INFO L168 Benchmark]: RCFGBuilder took 336.99 ms. Allocated memory is still 304.6 MB. Free memory was 251.3 MB in the beginning and 234.3 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:22:00,815 INFO L168 Benchmark]: Abstract Interpretation took 1376.21 ms. Allocated memory was 304.6 MB in the beginning and 388.5 MB in the end (delta: 83.9 MB). Free memory was 234.3 MB in the beginning and 333.8 MB in the end (delta: -99.5 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:22:00,817 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 304.6 MB. Free memory is still 270.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 214.83 ms. Allocated memory is still 304.6 MB. Free memory was 263.6 MB in the beginning and 253.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.15 ms. Allocated memory is still 304.6 MB. Free memory was 253.3 MB in the beginning and 252.3 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 336.99 ms. Allocated memory is still 304.6 MB. Free memory was 251.3 MB in the beginning and 234.3 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 1376.21 ms. Allocated memory was 304.6 MB in the beginning and 388.5 MB in the end (delta: 83.9 MB). Free memory was 234.3 MB in the beginning and 333.8 MB in the end (delta: -99.5 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 : 40 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 431 LocStat_NO_SUPPORTING_DISEQUALITIES : 94 LocStat_NO_DISJUNCTIONS : -80 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 52 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 67 TransStat_NO_SUPPORTING_DISEQUALITIES : 16 TransStat_NO_DISJUNCTIONS : 57 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.662231 RENAME_VARIABLES(MILLISECONDS) : 0.023046 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.420052 PROJECTAWAY(MILLISECONDS) : 0.993232 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.002775 DISJOIN(MILLISECONDS) : 0.202662 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.045713 ADD_EQUALITY(MILLISECONDS) : 0.032019 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.018222 #CONJOIN_DISJUNCTIVE : 412 #RENAME_VARIABLES : 855 #UNFREEZE : 0 #CONJOIN : 532 #PROJECTAWAY : 488 #ADD_WEAK_EQUALITY : 11 #DISJOIN : 39 #RENAME_VARIABLES_DISJUNCTIVE : 821 #ADD_EQUALITY : 65 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 10 - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L541] int i, j; [L542] int length = __VERIFIER_nondet_int(); [L543] COND TRUE length < 1 || length >= 2147483647 / sizeof(int) [L543] length = 1 [L544] int fac = __VERIFIER_nondet_int(); [L545] COND FALSE !(fac < 1 || fac >= 2147483647 / (sizeof(int) * length)) [L546] EXPR, FCALL __builtin_alloca (length*sizeof(int)) [L546] int *arr = __builtin_alloca (length*sizeof(int)); [L547] EXPR, FCALL __builtin_alloca (fac*length*sizeof(int)) [L547] int *arr2 = __builtin_alloca (fac*length*sizeof(int)); [L548] COND FALSE !(!arr || !arr2) [L549] i=0 [L549] COND TRUE i= 2147483647 / sizeof(int) [L543] length = 1 [L544] int fac = __VERIFIER_nondet_int(); [L545] COND FALSE !(fac < 1 || fac >= 2147483647 / (sizeof(int) * length)) [L546] EXPR, FCALL __builtin_alloca (length*sizeof(int)) [L546] int *arr = __builtin_alloca (length*sizeof(int)); [L547] EXPR, FCALL __builtin_alloca (fac*length*sizeof(int)) [L547] int *arr2 = __builtin_alloca (fac*length*sizeof(int)); [L548] COND FALSE !(!arr || !arr2) [L549] i=0 [L549] COND TRUE i= 2147483647 / sizeof(int) [L543] length = 1 [L544] int fac = __VERIFIER_nondet_int(); [L545] COND FALSE !(fac < 1 || fac >= 2147483647 / (sizeof(int) * length)) [L546] EXPR, FCALL __builtin_alloca (length*sizeof(int)) [L546] int *arr = __builtin_alloca (length*sizeof(int)); [L547] EXPR, FCALL __builtin_alloca (fac*length*sizeof(int)) [L547] int *arr2 = __builtin_alloca (fac*length*sizeof(int)); [L548] COND FALSE !(!arr || !arr2) [L549] i=0 [L549] COND FALSE !(i= 2147483647 / sizeof(int) [L543] length = 1 [L544] int fac = __VERIFIER_nondet_int(); [L545] COND FALSE !(fac < 1 || fac >= 2147483647 / (sizeof(int) * length)) [L546] EXPR, FCALL __builtin_alloca (length*sizeof(int)) [L546] int *arr = __builtin_alloca (length*sizeof(int)); [L547] EXPR, FCALL __builtin_alloca (fac*length*sizeof(int)) [L547] int *arr2 = __builtin_alloca (fac*length*sizeof(int)); [L548] COND FALSE !(!arr || !arr2) [L549] i=0 [L549] COND FALSE !(i= 2147483647 / sizeof(int) [L543] length = 1 [L544] int fac = __VERIFIER_nondet_int(); [L545] COND FALSE !(fac < 1 || fac >= 2147483647 / (sizeof(int) * length)) [L546] EXPR, FCALL __builtin_alloca (length*sizeof(int)) [L546] int *arr = __builtin_alloca (length*sizeof(int)); [L547] EXPR, FCALL __builtin_alloca (fac*length*sizeof(int)) [L547] int *arr2 = __builtin_alloca (fac*length*sizeof(int)); [L548] COND FALSE !(!arr || !arr2) [L549] i=0 [L549] COND FALSE !(i= 2147483647 / sizeof(int) [L543] length = 1 [L544] int fac = __VERIFIER_nondet_int(); [L545] COND FALSE !(fac < 1 || fac >= 2147483647 / (sizeof(int) * length)) [L546] EXPR, FCALL __builtin_alloca (length*sizeof(int)) [L546] int *arr = __builtin_alloca (length*sizeof(int)); [L547] EXPR, FCALL __builtin_alloca (fac*length*sizeof(int)) [L547] int *arr2 = __builtin_alloca (fac*length*sizeof(int)); [L548] COND FALSE !(!arr || !arr2) [L549] i=0 [L549] COND FALSE !(i