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/count_down_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4cf2d92 [2018-03-28 12:00:43,116 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 12:00:43,118 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 12:00:43,133 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-28 12:00:43,134 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-28 12:00:43,135 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-28 12:00:43,136 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-28 12:00:43,138 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-28 12:00:43,140 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-28 12:00:43,141 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-28 12:00:43,142 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-28 12:00:43,142 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-28 12:00:43,143 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-28 12:00:43,144 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-28 12:00:43,145 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-28 12:00:43,147 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-28 12:00:43,149 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-28 12:00:43,151 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-28 12:00:43,153 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-28 12:00:43,154 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-28 12:00:43,156 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-28 12:00:43,157 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-28 12:00:43,157 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-28 12:00:43,158 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-28 12:00:43,159 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-28 12:00:43,160 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-28 12:00:43,160 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-28 12:00:43,161 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-28 12:00:43,162 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-28 12:00:43,162 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-28 12:00:43,163 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-28 12:00:43,163 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 [2018-03-28 12:00:43,188 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 12:00:43,188 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 12:00:43,189 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 12:00:43,189 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 12:00:43,190 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 12:00:43,190 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 12:00:43,190 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 12:00:43,190 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 12:00:43,190 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 12:00:43,191 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 12:00:43,191 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 12:00:43,191 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 12:00:43,192 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 12:00:43,192 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 12:00:43,192 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 12:00:43,192 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 12:00:43,192 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 12:00:43,192 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 12:00:43,193 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 12:00:43,193 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 12:00:43,193 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 12:00:43,193 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 12:00:43,193 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 12:00:43,194 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 12:00:43,194 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 12:00:43,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 12:00:43,194 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 12:00:43,194 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 12:00:43,195 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 12:00:43,195 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 12:00:43,195 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 12:00:43,195 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:00:43,195 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 12:00:43,196 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 12:00:43,197 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 12:00:43,197 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 12:00:43,197 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 12:00:43,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 12:00:43,244 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 12:00:43,249 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 12:00:43,250 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 12:00:43,251 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 12:00:43,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,628 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG646cb5654 [2018-03-28 12:00:43,822 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 12:00:43,822 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 12:00:43,823 INFO L171 CDTParser]: Scanning count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,832 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 12:00:43,832 INFO L215 ultiparseSymbolTable]: [2018-03-28 12:00:43,832 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 12:00:43,832 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_64 ('__bswap_64') in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,832 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_32 ('__bswap_32') in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,833 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,833 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 12:00:43,833 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____time_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,833 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____timer_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,833 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____mode_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,833 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____fsfilcnt_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,833 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____ssize_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,834 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__key_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,834 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_mutexattr_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,834 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____socklen_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,834 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____int32_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,834 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____intptr_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,834 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__size_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,834 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____nlink_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__div_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_short in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__mode_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__timer_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__caddr_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pid_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__int32_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__fd_set in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,836 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____u_short in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,836 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__fsfilcnt_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,836 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____uint64_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,836 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____blkcnt64_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,836 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____fsword_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,836 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____uid_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,836 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__gid_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,836 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__ssize_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,837 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____off64_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,837 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____sig_atomic_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,837 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_attr_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,837 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__blksize_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,837 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__int16_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,837 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__lldiv_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,837 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_int32_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,837 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__uid_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____id_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____uint32_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____syscall_ulong_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_int8_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__blkcnt_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____fd_mask in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,838 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_char in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_once_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____suseconds_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__off_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____clockid_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__fsblkcnt_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_int in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____pthread_list_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__wchar_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____rlim_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____quad_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____fsblkcnt64_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____u_char in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____u_quad_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_barrier_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____pid_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____syscall_slong_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____ino64_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_long in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____WAIT_STATUS in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____gid_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__suseconds_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____ino_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__daddr_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_cond_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,841 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__int64_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____uint16_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____loff_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__quad_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_int16_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____clock_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__fsid_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____blkcnt_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__dev_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____u_long in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____int16_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__clockid_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__id_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_spinlock_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__sigset_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__clock_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____sigset_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__uint in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__fd_mask in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____off_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____fsid_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_rwlockattr_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__nlink_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__ulong in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____caddr_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_key_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____dev_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____fsblkcnt_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____qaddr_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____blksize_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_rwlock_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_condattr_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____int8_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____u_int in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____uint8_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__time_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__register_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____useconds_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_barrierattr_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____rlim64_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____daddr_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__ino_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____fsfilcnt64_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__loff_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__pthread_mutex_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,845 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_int64_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____int64_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__int8_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__u_quad_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__ldiv_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i__ushort in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_unsafe_false_valid_deref_i____key_t in count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:43,865 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG646cb5654 [2018-03-28 12:00:43,869 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 12:00:43,872 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 12:00:43,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 12:00:43,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 12:00:43,880 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 12:00:43,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:00:43" (1/1) ... [2018-03-28 12:00:43,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505d3914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:43, skipping insertion in model container [2018-03-28 12:00:43,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:00:43" (1/1) ... [2018-03-28 12:00:43,899 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:00:43,931 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:00:44,094 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:00:44,139 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:00:44,146 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-03-28 12:00:44,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:44 WrapperNode [2018-03-28 12:00:44,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 12:00:44,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 12:00:44,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 12:00:44,195 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 12:00:44,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:44" (1/1) ... [2018-03-28 12:00:44,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:44" (1/1) ... [2018-03-28 12:00:44,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:44" (1/1) ... [2018-03-28 12:00:44,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:44" (1/1) ... [2018-03-28 12:00:44,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:44" (1/1) ... [2018-03-28 12:00:44,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:44" (1/1) ... [2018-03-28 12:00:44,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:44" (1/1) ... [2018-03-28 12:00:44,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 12:00:44,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 12:00:44,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 12:00:44,253 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 12:00:44,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:44" (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 [2018-03-28 12:00:44,385 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 12:00:44,385 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 12:00:44,386 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_32 [2018-03-28 12:00:44,386 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_64 [2018-03-28 12:00:44,386 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 12:00:44,386 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_32 [2018-03-28 12:00:44,386 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_64 [2018-03-28 12:00:44,386 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-28 12:00:44,386 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-28 12:00:44,387 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-28 12:00:44,387 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-28 12:00:44,387 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-28 12:00:44,387 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-28 12:00:44,387 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-28 12:00:44,387 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-28 12:00:44,387 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-28 12:00:44,388 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-28 12:00:44,388 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-28 12:00:44,388 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-28 12:00:44,388 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-28 12:00:44,388 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-28 12:00:44,388 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-28 12:00:44,389 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-28 12:00:44,389 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-28 12:00:44,389 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-28 12:00:44,389 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-28 12:00:44,389 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-28 12:00:44,389 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-28 12:00:44,390 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-28 12:00:44,390 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-28 12:00:44,390 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-28 12:00:44,390 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-28 12:00:44,390 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-28 12:00:44,390 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-28 12:00:44,390 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-28 12:00:44,391 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-28 12:00:44,391 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-28 12:00:44,391 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-28 12:00:44,391 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-28 12:00:44,391 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-28 12:00:44,391 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-28 12:00:44,391 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-28 12:00:44,391 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-28 12:00:44,392 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-28 12:00:44,392 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-28 12:00:44,392 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-28 12:00:44,392 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-28 12:00:44,392 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-28 12:00:44,392 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-28 12:00:44,392 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-28 12:00:44,392 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-28 12:00:44,393 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-28 12:00:44,393 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-28 12:00:44,393 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-28 12:00:44,393 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-28 12:00:44,393 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-28 12:00:44,393 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-28 12:00:44,393 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 12:00:44,394 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-28 12:00:44,394 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-28 12:00:44,394 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 12:00:44,394 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-28 12:00:44,394 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-28 12:00:44,394 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-28 12:00:44,394 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-28 12:00:44,394 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-28 12:00:44,394 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-28 12:00:44,395 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-28 12:00:44,395 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-28 12:00:44,395 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-28 12:00:44,395 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-28 12:00:44,395 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-28 12:00:44,395 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-28 12:00:44,395 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-28 12:00:44,395 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-28 12:00:44,396 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-28 12:00:44,396 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-28 12:00:44,396 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-28 12:00:44,396 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-28 12:00:44,396 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-28 12:00:44,396 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-28 12:00:44,396 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-28 12:00:44,396 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-28 12:00:44,397 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-28 12:00:44,397 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-28 12:00:44,397 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-28 12:00:44,397 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-28 12:00:44,397 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-28 12:00:44,397 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-28 12:00:44,397 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-28 12:00:44,397 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-28 12:00:44,398 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-28 12:00:44,398 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-28 12:00:44,398 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-28 12:00:44,398 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-28 12:00:44,398 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-28 12:00:44,398 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-28 12:00:44,398 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-28 12:00:44,398 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-28 12:00:44,399 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-28 12:00:44,399 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-28 12:00:44,399 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-28 12:00:44,399 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-28 12:00:44,399 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-28 12:00:44,399 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-28 12:00:44,399 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-28 12:00:44,400 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-28 12:00:44,400 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-28 12:00:44,400 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 12:00:44,400 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 12:00:44,400 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 12:00:44,400 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 12:00:44,400 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 12:00:44,400 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 12:00:44,400 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 12:00:44,401 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 12:00:44,768 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 12:00:44,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:00:44 BoogieIcfgContainer [2018-03-28 12:00:44,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 12:00:44,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 12:00:44,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 12:00:44,772 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 12:00:44,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:00:43" (1/3) ... [2018-03-28 12:00:44,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f69754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:00:44, skipping insertion in model container [2018-03-28 12:00:44,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:00:44" (2/3) ... [2018-03-28 12:00:44,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f69754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:00:44, skipping insertion in model container [2018-03-28 12:00:44,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:00:44" (3/3) ... [2018-03-28 12:00:44,775 INFO L107 eAbstractionObserver]: Analyzing ICFG count_down_unsafe_false-valid-deref.i [2018-03-28 12:00:44,782 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 12:00:44,791 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-03-28 12:00:44,835 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 12:00:44,836 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 12:00:44,836 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 12:00:44,836 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 12:00:44,836 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 12:00:44,836 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 12:00:44,836 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 12:00:44,836 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 12:00:44,836 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 12:00:44,837 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 12:00:44,850 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-03-28 12:00:44,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-03-28 12:00:44,855 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:00:44,856 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:00:44,856 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-03-28 12:00:44,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1664873129, 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 [2018-03-28 12:00:44,871 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:00:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:00:44,908 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:00:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:00:44,945 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:00:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:00:44,987 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:00:44,987 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-28 12:00:44,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:00:44,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:00:45,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:00:45,001 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 4 states. [2018-03-28 12:00:45,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:00:45,067 INFO L93 Difference]: Finished difference Result 94 states and 105 transitions. [2018-03-28 12:00:45,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:00:45,068 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-03-28 12:00:45,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:00:45,078 INFO L225 Difference]: With dead ends: 94 [2018-03-28 12:00:45,078 INFO L226 Difference]: Without dead ends: 58 [2018-03-28 12:00:45,082 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:00:45,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-03-28 12:00:45,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-03-28 12:00:45,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-03-28 12:00:45,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2018-03-28 12:00:45,118 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 20 [2018-03-28 12:00:45,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:00:45,118 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2018-03-28 12:00:45,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:00:45,119 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2018-03-28 12:00:45,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-28 12:00:45,120 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:00:45,120 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:00:45,120 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-03-28 12:00:45,120 INFO L82 PathProgramCache]: Analyzing trace with hash 419790080, 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 [2018-03-28 12:00:45,126 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:00:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:00:45,141 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:00:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:00:45,230 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:00:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:00:45,269 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:00:45,269 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2018-03-28 12:00:45,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 12:00:45,271 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 12:00:45,271 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:00:45,271 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand 5 states. [2018-03-28 12:00:45,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:00:45,343 INFO L93 Difference]: Finished difference Result 97 states and 104 transitions. [2018-03-28 12:00:45,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:00:45,344 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-03-28 12:00:45,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:00:45,345 INFO L225 Difference]: With dead ends: 97 [2018-03-28 12:00:45,345 INFO L226 Difference]: Without dead ends: 70 [2018-03-28 12:00:45,346 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:00:45,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-03-28 12:00:45,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 60. [2018-03-28 12:00:45,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-03-28 12:00:45,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2018-03-28 12:00:45,355 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 24 [2018-03-28 12:00:45,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:00:45,355 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2018-03-28 12:00:45,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 12:00:45,356 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2018-03-28 12:00:45,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-28 12:00:45,356 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:00:45,357 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:00:45,357 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-03-28 12:00:45,357 INFO L82 PathProgramCache]: Analyzing trace with hash 457866022, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:00:45,364 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:00:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:00:45,379 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:00:45,399 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 [2018-03-28 12:00:45,400 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:00:45,402 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:00:45,403 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:00:45,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:00:45,411 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:00:45,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:00:45,443 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:00:45,444 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:00:45,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:00:45,444 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:00:45,445 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:00:45,445 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 4 states. [2018-03-28 12:00:45,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:00:45,510 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-03-28 12:00:45,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:00:45,511 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-03-28 12:00:45,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:00:45,512 INFO L225 Difference]: With dead ends: 60 [2018-03-28 12:00:45,512 INFO L226 Difference]: Without dead ends: 56 [2018-03-28 12:00:45,512 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:00:45,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-03-28 12:00:45,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-03-28 12:00:45,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-03-28 12:00:45,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-03-28 12:00:45,519 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 24 [2018-03-28 12:00:45,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:00:45,520 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-03-28 12:00:45,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:00:45,520 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-03-28 12:00:45,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-28 12:00:45,521 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:00:45,521 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:00:45,521 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-03-28 12:00:45,521 INFO L82 PathProgramCache]: Analyzing trace with hash 457866023, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:00:45,533 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:00:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-28 12:00:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-28 12:00:45,600 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-03-28 12:00:45,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:00:45 BoogieIcfgContainer [2018-03-28 12:00:45,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-28 12:00:45,627 INFO L168 Benchmark]: Toolchain (without parser) took 1757.79 ms. Allocated memory was 303.0 MB in the beginning and 460.8 MB in the end (delta: 157.8 MB). Free memory was 240.6 MB in the beginning and 324.2 MB in the end (delta: -83.6 MB). Peak memory consumption was 74.2 MB. Max. memory is 5.3 GB. [2018-03-28 12:00:45,629 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 303.0 MB. Free memory is still 265.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 12:00:45,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.94 ms. Allocated memory is still 303.0 MB. Free memory was 239.6 MB in the beginning and 216.6 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. [2018-03-28 12:00:45,630 INFO L168 Benchmark]: Boogie Preprocessor took 56.97 ms. Allocated memory is still 303.0 MB. Free memory was 216.6 MB in the beginning and 214.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-28 12:00:45,630 INFO L168 Benchmark]: RCFGBuilder took 516.50 ms. Allocated memory was 303.0 MB in the beginning and 460.8 MB in the end (delta: 157.8 MB). Free memory was 214.6 MB in the beginning and 398.9 MB in the end (delta: -184.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 5.3 GB. [2018-03-28 12:00:45,631 INFO L168 Benchmark]: TraceAbstraction took 856.44 ms. Allocated memory is still 460.8 MB. Free memory was 397.5 MB in the beginning and 324.2 MB in the end (delta: 73.3 MB). Peak memory consumption was 73.3 MB. Max. memory is 5.3 GB. [2018-03-28 12:00:45,633 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 303.0 MB. Free memory is still 265.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 321.94 ms. Allocated memory is still 303.0 MB. Free memory was 239.6 MB in the beginning and 216.6 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 56.97 ms. Allocated memory is still 303.0 MB. Free memory was 216.6 MB in the beginning and 214.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 516.50 ms. Allocated memory was 303.0 MB in the beginning and 460.8 MB in the end (delta: 157.8 MB). Free memory was 214.6 MB in the beginning and 398.9 MB in the end (delta: -184.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 856.44 ms. Allocated memory is still 460.8 MB. Free memory was 397.5 MB in the beginning and 324.2 MB in the end (delta: 73.3 MB). Peak memory consumption was 73.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 552]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L541] int i, j; [L542] int val; [L543] int length = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, length=1] [L544] COND FALSE !(length < 1) VAL [length=1] [L545] EXPR, FCALL __builtin_alloca (length) VAL [__builtin_alloca (length)={6:0}, length=1] [L545] int *arr = __builtin_alloca (length); VAL [__builtin_alloca (length)={6:0}, arr={6:0}, length=1] [L546] COND FALSE !(!arr) VAL [__builtin_alloca (length)={6:0}, arr={6:0}, length=1] [L547] i=0 VAL [__builtin_alloca (length)={6:0}, arr={6:0}, i=0, length=1] [L547] COND TRUE i