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/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/add_last_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 20:12:45,653 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 20:12:45,655 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 20:12:45,668 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-29 20:12:45,669 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-29 20:12:45,670 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-29 20:12:45,671 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-29 20:12:45,673 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-29 20:12:45,676 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-29 20:12:45,677 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-29 20:12:45,678 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-29 20:12:45,678 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-29 20:12:45,679 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-29 20:12:45,681 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-29 20:12:45,682 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-29 20:12:45,684 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-29 20:12:45,687 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-29 20:12:45,689 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-29 20:12:45,690 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-29 20:12:45,692 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-29 20:12:45,695 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-03-29 20:12:45,702 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-29 20:12:45,736 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 20:12:45,737 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 20:12:45,737 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 20:12:45,737 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 20:12:45,738 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 20:12:45,738 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 20:12:45,738 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 20:12:45,738 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 20:12:45,738 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 20:12:45,739 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 20:12:45,739 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 20:12:45,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 20:12:45,739 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 20:12:45,740 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 20:12:45,740 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 20:12:45,740 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 20:12:45,740 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 20:12:45,740 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 20:12:45,740 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 20:12:45,741 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 20:12:45,741 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 20:12:45,741 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 20:12:45,741 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 20:12:45,741 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 20:12:45,741 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 20:12:45,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 20:12:45,742 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 20:12:45,742 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 20:12:45,742 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 20:12:45,742 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 20:12:45,743 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 20:12:45,743 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:12:45,743 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 20:12:45,744 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 20:12:45,744 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 20:12:45,744 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 20:12:45,744 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 20:12:45,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 20:12:45,837 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 20:12:45,842 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 20:12:45,843 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 20:12:45,844 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 20:12:45,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,227 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG14481e996 [2018-03-29 20:12:46,402 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 20:12:46,402 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 20:12:46,403 INFO L168 CDTParser]: Scanning add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,412 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 20:12:46,413 INFO L215 ultiparseSymbolTable]: [2018-03-29 20:12:46,413 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 20:12:46,413 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____bswap_32 ('__bswap_32') in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,413 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,413 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____bswap_64 ('__bswap_64') in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,414 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 20:12:46,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____dev_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____fsblkcnt_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____syscall_ulong_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__int16_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__lldiv_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__pthread_key_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____u_char in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____blksize_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__blksize_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____qaddr_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__uid_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____off64_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__pthread_rwlock_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____rlim64_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__div_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____int32_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____uint32_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____id_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__fsblkcnt_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__caddr_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__ulong in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__mode_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__sigset_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__u_int32_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__key_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____u_short in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____caddr_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__fd_set in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__pthread_rwlockattr_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,418 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__int8_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,419 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____uint16_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,419 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__clock_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,419 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__daddr_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,419 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____time_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,419 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__u_int64_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,420 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____ino64_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,420 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____syscall_slong_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,420 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____WAIT_STATUS in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,420 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____fsfilcnt_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,420 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__int64_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,420 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____blkcnt_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,420 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__pthread_barrierattr_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,421 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____daddr_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,421 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__register_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,421 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__time_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,421 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__u_quad_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,421 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__ushort in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,421 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__ldiv_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,421 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____useconds_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,421 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____uint8_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,422 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____key_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,422 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____fsfilcnt64_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,422 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__pthread_mutex_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,422 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__ino_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,422 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____fd_mask in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,422 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__pthread_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,422 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____int64_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,422 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__nlink_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,422 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__uint in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____sig_atomic_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__loff_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____u_int in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__id_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__u_int8_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____clock_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__pthread_condattr_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,423 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__dev_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__pthread_once_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__timer_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____int8_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__pthread_spinlock_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__fsid_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____sigset_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____loff_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____nlink_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,424 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__u_short in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__clockid_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__gid_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____uid_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__ssize_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__suseconds_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____fsword_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__fd_mask in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____uint64_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,425 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__pid_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__fsfilcnt_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____blkcnt64_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__u_long in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____off_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____ssize_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____quad_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____gid_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____mode_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,426 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____fsid_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__int32_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____socklen_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____ino_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____pid_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__pthread_mutexattr_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__size_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__off_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____timer_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____intptr_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,427 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____int16_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____u_long in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__blkcnt_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____rlim_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__quad_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____pthread_list_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__u_char in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__pthread_cond_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__u_int in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__u_int16_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____fsblkcnt64_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,428 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____suseconds_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____clockid_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__pthread_attr_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i____u_quad_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__wchar_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,429 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fadd_last_unsafe_false_valid_deref_i__pthread_barrier_t in add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:46,447 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG14481e996 [2018-03-29 20:12:46,451 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 20:12:46,453 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 20:12:46,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 20:12:46,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 20:12:46,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 20:12:46,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 08:12:46" (1/1) ... [2018-03-29 20:12:46,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6692755f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:46, skipping insertion in model container [2018-03-29 20:12:46,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 08:12:46" (1/1) ... [2018-03-29 20:12:46,482 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 20:12:46,513 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 20:12:46,677 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 20:12:46,722 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 20:12:46,729 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-03-29 20:12:46,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:46 WrapperNode [2018-03-29 20:12:46,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 20:12:46,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 20:12:46,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 20:12:46,778 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 20:12:46,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:46" (1/1) ... [2018-03-29 20:12:46,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:46" (1/1) ... [2018-03-29 20:12:46,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:46" (1/1) ... [2018-03-29 20:12:46,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:46" (1/1) ... [2018-03-29 20:12:46,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:46" (1/1) ... [2018-03-29 20:12:46,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:46" (1/1) ... [2018-03-29 20:12:46,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:46" (1/1) ... [2018-03-29 20:12:46,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 20:12:46,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 20:12:46,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 20:12:46,833 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 20:12:46,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:46" (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 [2018-03-29 20:12:46,956 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 20:12:46,956 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 20:12:46,956 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fadd_last_unsafe_false_valid_deref_i____bswap_32 [2018-03-29 20:12:46,957 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fadd_last_unsafe_false_valid_deref_i____bswap_64 [2018-03-29 20:12:46,957 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 20:12:46,957 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fadd_last_unsafe_false_valid_deref_i____bswap_32 [2018-03-29 20:12:46,957 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fadd_last_unsafe_false_valid_deref_i____bswap_64 [2018-03-29 20:12:46,957 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-29 20:12:46,957 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-29 20:12:46,957 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-29 20:12:46,958 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-29 20:12:46,958 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-29 20:12:46,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-29 20:12:46,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-29 20:12:46,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-29 20:12:46,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-29 20:12:46,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-29 20:12:46,959 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-29 20:12:46,959 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-29 20:12:46,959 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-29 20:12:46,959 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-29 20:12:46,959 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-29 20:12:46,959 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-29 20:12:46,960 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-29 20:12:46,960 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-29 20:12:46,960 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-29 20:12:46,960 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-29 20:12:46,960 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-29 20:12:46,960 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-29 20:12:46,961 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-29 20:12:46,961 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-29 20:12:46,961 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-29 20:12:46,961 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-29 20:12:46,961 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-29 20:12:46,961 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-29 20:12:46,961 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-29 20:12:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-29 20:12:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-29 20:12:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-29 20:12:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-29 20:12:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-29 20:12:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-29 20:12:46,962 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-29 20:12:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-29 20:12:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-29 20:12:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-29 20:12:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-29 20:12:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-29 20:12:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-29 20:12:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-29 20:12:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-29 20:12:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-29 20:12:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-29 20:12:46,963 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-29 20:12:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-29 20:12:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-29 20:12:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-29 20:12:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 20:12:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-29 20:12:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-29 20:12:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 20:12:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-29 20:12:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-29 20:12:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-29 20:12:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-29 20:12:46,964 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-29 20:12:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-29 20:12:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-29 20:12:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-29 20:12:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-29 20:12:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-29 20:12:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-29 20:12:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-29 20:12:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-29 20:12:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-29 20:12:46,965 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-29 20:12:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-29 20:12:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-29 20:12:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-29 20:12:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-29 20:12:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-29 20:12:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-29 20:12:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-29 20:12:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-29 20:12:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-29 20:12:46,966 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-29 20:12:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-29 20:12:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-29 20:12:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-29 20:12:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-29 20:12:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-29 20:12:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-29 20:12:46,967 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-29 20:12:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-29 20:12:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-29 20:12:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-29 20:12:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-29 20:12:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-29 20:12:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-29 20:12:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-29 20:12:46,968 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-29 20:12:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-29 20:12:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-29 20:12:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-29 20:12:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-29 20:12:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-29 20:12:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-29 20:12:46,969 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-29 20:12:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 20:12:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 20:12:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 20:12:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-29 20:12:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-29 20:12:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 20:12:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 20:12:46,970 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-29 20:12:47,307 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 20:12:47,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 08:12:47 BoogieIcfgContainer [2018-03-29 20:12:47,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 20:12:47,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 20:12:47,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 20:12:47,311 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 20:12:47,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 08:12:46" (1/3) ... [2018-03-29 20:12:47,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70df9bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 08:12:47, skipping insertion in model container [2018-03-29 20:12:47,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:12:46" (2/3) ... [2018-03-29 20:12:47,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70df9bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 08:12:47, skipping insertion in model container [2018-03-29 20:12:47,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 08:12:47" (3/3) ... [2018-03-29 20:12:47,314 INFO L107 eAbstractionObserver]: Analyzing ICFG add_last_unsafe_false-valid-deref.i [2018-03-29 20:12:47,321 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 20:12:47,327 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-03-29 20:12:47,371 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 20:12:47,371 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 20:12:47,372 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 20:12:47,372 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 20:12:47,372 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 20:12:47,372 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 20:12:47,372 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 20:12:47,372 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 20:12:47,372 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 20:12:47,373 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 20:12:47,385 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-03-29 20:12:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-03-29 20:12:47,390 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:12:47,390 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:12:47,391 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:12:47,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1292530602, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:12:47,406 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:12:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:12:47,440 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:12:47,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:12:47,480 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:12:47,485 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:12:47,486 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 20:12:47,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:12:47,506 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:12:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:12:47,539 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:12:47,539 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-29 20:12:47,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-29 20:12:47,550 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-29 20:12:47,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-29 20:12:47,552 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 5 states. [2018-03-29 20:12:47,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:12:47,681 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2018-03-29 20:12:47,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 20:12:47,683 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-03-29 20:12:47,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:12:47,693 INFO L225 Difference]: With dead ends: 66 [2018-03-29 20:12:47,693 INFO L226 Difference]: Without dead ends: 50 [2018-03-29 20:12:47,696 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-29 20:12:47,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-03-29 20:12:47,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2018-03-29 20:12:47,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-03-29 20:12:47,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2018-03-29 20:12:47,727 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 18 [2018-03-29 20:12:47,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:12:47,727 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2018-03-29 20:12:47,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-29 20:12:47,728 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2018-03-29 20:12:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-03-29 20:12:47,728 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:12:47,728 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:12:47,729 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:12:47,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1292530603, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:12:47,741 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:12:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-29 20:12:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-29 20:12:47,805 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-03-29 20:12:47,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 08:12:47 BoogieIcfgContainer [2018-03-29 20:12:47,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-29 20:12:47,824 INFO L168 Benchmark]: Toolchain (without parser) took 1372.79 ms. Allocated memory was 307.8 MB in the beginning and 448.8 MB in the end (delta: 141.0 MB). Free memory was 243.6 MB in the beginning and 345.1 MB in the end (delta: -101.4 MB). Peak memory consumption was 39.6 MB. Max. memory is 5.3 GB. [2018-03-29 20:12:47,825 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 307.8 MB. Free memory is still 270.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 20:12:47,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.23 ms. Allocated memory is still 307.8 MB. Free memory was 243.6 MB in the beginning and 220.5 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 5.3 GB. [2018-03-29 20:12:47,826 INFO L168 Benchmark]: Boogie Preprocessor took 55.32 ms. Allocated memory is still 307.8 MB. Free memory was 220.5 MB in the beginning and 217.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-03-29 20:12:47,826 INFO L168 Benchmark]: RCFGBuilder took 474.67 ms. Allocated memory was 307.8 MB in the beginning and 448.8 MB in the end (delta: 141.0 MB). Free memory was 217.5 MB in the beginning and 387.9 MB in the end (delta: -170.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 5.3 GB. [2018-03-29 20:12:47,827 INFO L168 Benchmark]: TraceAbstraction took 514.95 ms. Allocated memory is still 448.8 MB. Free memory was 387.9 MB in the beginning and 345.1 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 5.3 GB. [2018-03-29 20:12:47,830 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 307.8 MB. Free memory is still 270.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 323.23 ms. Allocated memory is still 307.8 MB. Free memory was 243.6 MB in the beginning and 220.5 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 55.32 ms. Allocated memory is still 307.8 MB. Free memory was 220.5 MB in the beginning and 217.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 474.67 ms. Allocated memory was 307.8 MB in the beginning and 448.8 MB in the end (delta: 141.0 MB). Free memory was 217.5 MB in the beginning and 387.9 MB in the end (delta: -170.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 514.95 ms. Allocated memory is still 448.8 MB. Free memory was 387.9 MB in the beginning and 345.1 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 547]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L541] int i, j; [L542] int length = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, length=1] [L543] COND FALSE !(length < 1) VAL [length=1] [L544] EXPR, FCALL __builtin_alloca (length) VAL [__builtin_alloca (length)={5:0}, length=1] [L544] int *arr = __builtin_alloca (length); VAL [__builtin_alloca (length)={5:0}, arr={5:0}, length=1] [L545] COND FALSE !(!arr) VAL [__builtin_alloca (length)={5:0}, arr={5:0}, length=1] [L546] int *a = arr; VAL [__builtin_alloca (length)={5:0}, a={5:0}, arr={5:0}, length=1] [L547] FCALL \read(*a) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 64 locations, 11 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 34 SDtfs, 82 SDslu, 52 SDs, 0 SdLazy, 43 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 1258 SizeOfPredicates, 2 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 6 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/add_last_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-29_20-12-47-839.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/add_last_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-29_20-12-47-839.csv Received shutdown request...