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 0.1.23-835382a-m [2018-04-05 15:15:47,324 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 15:15:47,327 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 15:15:47,390 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-05 15:15:47,390 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-05 15:15:47,391 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-05 15:15:47,408 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-05 15:15:47,417 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-05 15:15:47,419 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-05 15:15:47,428 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-05 15:15:47,429 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-05 15:15:47,429 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-05 15:15:47,430 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-05 15:15:47,447 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-05 15:15:47,449 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-05 15:15:47,466 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-05 15:15:47,469 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-05 15:15:47,484 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-05 15:15:47,486 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-05 15:15:47,498 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-05 15:15:47,500 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-05 15:15:47,501 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-05 15:15:47,519 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-05 15:15:47,520 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-05 15:15:47,522 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-05 15:15:47,523 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-05 15:15:47,524 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-05 15:15:47,525 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-05 15:15:47,539 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-05 15:15:47,539 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-05 15:15:47,540 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-05 15:15:47,540 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 [2018-04-05 15:15:47,667 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 15:15:47,667 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 15:15:47,668 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 15:15:47,668 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 15:15:47,668 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 15:15:47,678 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 15:15:47,678 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 15:15:47,678 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 15:15:47,679 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 15:15:47,679 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 15:15:47,679 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 15:15:47,680 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 15:15:47,680 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 15:15:47,680 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 15:15:47,680 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 15:15:47,681 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 15:15:47,681 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 15:15:47,681 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 15:15:47,681 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 15:15:47,682 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 15:15:47,687 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 15:15:47,687 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 15:15:47,688 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 15:15:47,688 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 15:15:47,688 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 15:15:47,688 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 15:15:47,689 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 15:15:47,689 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 15:15:47,689 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 15:15:47,689 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 15:15:47,689 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 15:15:47,690 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:15:47,690 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 15:15:47,692 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 15:15:47,693 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 15:15:47,693 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 15:15:47,693 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 15:15:47,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 15:15:47,837 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 15:15:47,853 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 15:15:47,855 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 15:15:47,856 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 15:15:47,856 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 [2018-04-05 15:15:48,507 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGec364b0cc [2018-04-05 15:15:49,158 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 15:15:49,159 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 15:15:49,159 INFO L168 CDTParser]: Scanning count_down_unsafe_false-valid-deref.i [2018-04-05 15:15:49,195 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 15:15:49,209 INFO L215 ultiparseSymbolTable]: [2018-04-05 15:15:49,210 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 15:15:49,210 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 [2018-04-05 15:15:49,210 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 [2018-04-05 15:15:49,210 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in count_down_unsafe_false-valid-deref.i [2018-04-05 15:15:49,210 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 15:15:49,210 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 [2018-04-05 15:15:49,210 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 [2018-04-05 15:15:49,211 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 [2018-04-05 15:15:49,211 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 [2018-04-05 15:15:49,211 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 [2018-04-05 15:15:49,211 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 [2018-04-05 15:15:49,211 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 [2018-04-05 15:15:49,211 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 [2018-04-05 15:15:49,212 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 [2018-04-05 15:15:49,212 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 [2018-04-05 15:15:49,212 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 [2018-04-05 15:15:49,212 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 [2018-04-05 15:15:49,212 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 [2018-04-05 15:15:49,212 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 [2018-04-05 15:15:49,212 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 [2018-04-05 15:15:49,212 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 [2018-04-05 15:15:49,222 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 [2018-04-05 15:15:49,222 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 [2018-04-05 15:15:49,222 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 [2018-04-05 15:15:49,222 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 [2018-04-05 15:15:49,223 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 [2018-04-05 15:15:49,223 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 [2018-04-05 15:15:49,223 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 [2018-04-05 15:15:49,223 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 [2018-04-05 15:15:49,223 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 [2018-04-05 15:15:49,223 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 [2018-04-05 15:15:49,223 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 [2018-04-05 15:15:49,224 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 [2018-04-05 15:15:49,228 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 [2018-04-05 15:15:49,228 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 [2018-04-05 15:15:49,228 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 [2018-04-05 15:15:49,228 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 [2018-04-05 15:15:49,228 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 [2018-04-05 15:15:49,228 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 [2018-04-05 15:15:49,229 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 [2018-04-05 15:15:49,229 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 [2018-04-05 15:15:49,229 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 [2018-04-05 15:15:49,229 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 [2018-04-05 15:15:49,229 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 [2018-04-05 15:15:49,229 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 [2018-04-05 15:15:49,229 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 [2018-04-05 15:15:49,229 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 [2018-04-05 15:15:49,230 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 [2018-04-05 15:15:49,230 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 [2018-04-05 15:15:49,230 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 [2018-04-05 15:15:49,230 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 [2018-04-05 15:15:49,230 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 [2018-04-05 15:15:49,230 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 [2018-04-05 15:15:49,230 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 [2018-04-05 15:15:49,230 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 [2018-04-05 15:15:49,230 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 [2018-04-05 15:15:49,231 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 [2018-04-05 15:15:49,231 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 [2018-04-05 15:15:49,231 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 [2018-04-05 15:15:49,231 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 [2018-04-05 15:15:49,231 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 [2018-04-05 15:15:49,231 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 [2018-04-05 15:15:49,231 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 [2018-04-05 15:15:49,231 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 [2018-04-05 15:15:49,231 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 [2018-04-05 15:15:49,232 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 [2018-04-05 15:15:49,245 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 [2018-04-05 15:15:49,245 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 [2018-04-05 15:15:49,245 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 [2018-04-05 15:15:49,245 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 [2018-04-05 15:15:49,245 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 [2018-04-05 15:15:49,245 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 [2018-04-05 15:15:49,245 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 [2018-04-05 15:15:49,246 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 [2018-04-05 15:15:49,246 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 [2018-04-05 15:15:49,246 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 [2018-04-05 15:15:49,246 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 [2018-04-05 15:15:49,246 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 [2018-04-05 15:15:49,246 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 [2018-04-05 15:15:49,246 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 [2018-04-05 15:15:49,246 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 [2018-04-05 15:15:49,246 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 [2018-04-05 15:15:49,247 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 [2018-04-05 15:15:49,247 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 [2018-04-05 15:15:49,247 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 [2018-04-05 15:15:49,247 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 [2018-04-05 15:15:49,247 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 [2018-04-05 15:15:49,247 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 [2018-04-05 15:15:49,247 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 [2018-04-05 15:15:49,247 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 [2018-04-05 15:15:49,247 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 [2018-04-05 15:15:49,247 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 [2018-04-05 15:15:49,248 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 [2018-04-05 15:15:49,248 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 [2018-04-05 15:15:49,248 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 [2018-04-05 15:15:49,248 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 [2018-04-05 15:15:49,248 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 [2018-04-05 15:15:49,248 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 [2018-04-05 15:15:49,248 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 [2018-04-05 15:15:49,248 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 [2018-04-05 15:15:49,248 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 [2018-04-05 15:15:49,249 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 [2018-04-05 15:15:49,249 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 [2018-04-05 15:15:49,249 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 [2018-04-05 15:15:49,249 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 [2018-04-05 15:15:49,249 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 [2018-04-05 15:15:49,249 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 [2018-04-05 15:15:49,249 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 [2018-04-05 15:15:49,249 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 [2018-04-05 15:15:49,249 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 [2018-04-05 15:15:49,250 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 [2018-04-05 15:15:49,253 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 [2018-04-05 15:15:49,253 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 [2018-04-05 15:15:49,253 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 [2018-04-05 15:15:49,253 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 [2018-04-05 15:15:49,253 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 [2018-04-05 15:15:49,253 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 [2018-04-05 15:15:49,253 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 [2018-04-05 15:15:49,253 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 [2018-04-05 15:15:49,254 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 [2018-04-05 15:15:49,254 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 [2018-04-05 15:15:49,254 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 [2018-04-05 15:15:49,254 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 [2018-04-05 15:15:49,254 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 [2018-04-05 15:15:49,254 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 [2018-04-05 15:15:49,310 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGec364b0cc [2018-04-05 15:15:49,318 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 15:15:49,322 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 15:15:49,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 15:15:49,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 15:15:49,342 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 15:15:49,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:15:49" (1/1) ... [2018-04-05 15:15:49,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e992735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:15:49, skipping insertion in model container [2018-04-05 15:15:49,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:15:49" (1/1) ... [2018-04-05 15:15:49,374 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 15:15:49,490 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 15:15:49,878 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 15:15:50,020 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 15:15:50,036 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-05 15:15:50,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:15:50 WrapperNode [2018-04-05 15:15:50,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 15:15:50,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 15:15:50,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 15:15:50,181 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 15:15:50,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:15:50" (1/1) ... [2018-04-05 15:15:50,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:15:50" (1/1) ... [2018-04-05 15:15:50,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:15:50" (1/1) ... [2018-04-05 15:15:50,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:15:50" (1/1) ... [2018-04-05 15:15:50,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:15:50" (1/1) ... [2018-04-05 15:15:50,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:15:50" (1/1) ... [2018-04-05 15:15:50,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:15:50" (1/1) ... [2018-04-05 15:15:50,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 15:15:50,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 15:15:50,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 15:15:50,315 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 15:15:50,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:15:50" (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 [2018-04-05 15:15:50,629 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 15:15:50,629 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 15:15:50,630 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_32 [2018-04-05 15:15:50,630 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_64 [2018-04-05 15:15:50,630 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 15:15:50,630 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_32 [2018-04-05 15:15:50,630 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcount_down_unsafe_false_valid_deref_i____bswap_64 [2018-04-05 15:15:50,630 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-05 15:15:50,631 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-05 15:15:50,631 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-05 15:15:50,631 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-05 15:15:50,631 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-05 15:15:50,631 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-05 15:15:50,631 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-05 15:15:50,631 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-05 15:15:50,643 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-05 15:15:50,643 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-05 15:15:50,643 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-05 15:15:50,644 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-05 15:15:50,644 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-05 15:15:50,644 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-05 15:15:50,644 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-05 15:15:50,644 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-05 15:15:50,644 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-05 15:15:50,645 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-05 15:15:50,645 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-05 15:15:50,645 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-05 15:15:50,645 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-05 15:15:50,645 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-05 15:15:50,645 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-05 15:15:50,646 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-05 15:15:50,646 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-05 15:15:50,646 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-05 15:15:50,646 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-05 15:15:50,646 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-05 15:15:50,646 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-05 15:15:50,647 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-05 15:15:50,662 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-05 15:15:50,662 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-05 15:15:50,662 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-05 15:15:50,663 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-05 15:15:50,663 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-05 15:15:50,663 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-05 15:15:50,663 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-05 15:15:50,663 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-05 15:15:50,663 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-05 15:15:50,663 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-05 15:15:50,664 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-05 15:15:50,664 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-05 15:15:50,664 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-05 15:15:50,664 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-05 15:15:50,664 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-05 15:15:50,664 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-05 15:15:50,664 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-05 15:15:50,664 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-05 15:15:50,665 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-05 15:15:50,665 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-05 15:15:50,665 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-05 15:15:50,665 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-05 15:15:50,665 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-05 15:15:50,665 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-05 15:15:50,665 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-05 15:15:50,665 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-05 15:15:50,680 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-05 15:15:50,680 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-05 15:15:50,680 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-05 15:15:50,680 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-05 15:15:50,680 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-05 15:15:50,681 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-05 15:15:50,681 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-05 15:15:50,681 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-05 15:15:50,681 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-05 15:15:50,681 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-05 15:15:50,681 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-05 15:15:50,681 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-05 15:15:50,681 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-05 15:15:50,682 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-05 15:15:50,682 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-05 15:15:50,682 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-05 15:15:50,682 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-05 15:15:50,682 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-05 15:15:50,682 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-05 15:15:50,682 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-05 15:15:50,683 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-05 15:15:50,683 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-05 15:15:50,683 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-05 15:15:50,683 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-05 15:15:50,683 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-05 15:15:50,683 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-05 15:15:50,683 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-05 15:15:50,683 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-05 15:15:50,684 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-05 15:15:50,694 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-05 15:15:50,694 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-05 15:15:50,694 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-05 15:15:50,694 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-05 15:15:50,695 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-05 15:15:50,695 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-05 15:15:50,695 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-05 15:15:50,695 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-05 15:15:50,695 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-05 15:15:50,695 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-05 15:15:50,695 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-05 15:15:50,696 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-05 15:15:50,696 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-05 15:15:50,696 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-05 15:15:50,696 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-05 15:15:50,696 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-05 15:15:50,696 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 15:15:50,696 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-05 15:15:50,696 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 15:15:50,697 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-05 15:15:50,697 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-05 15:15:50,697 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 15:15:50,697 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 15:15:50,697 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-05 15:15:51,777 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 15:15:51,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:15:51 BoogieIcfgContainer [2018-04-05 15:15:51,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 15:15:51,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-05 15:15:51,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-05 15:15:51,793 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-05 15:15:51,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 03:15:49" (1/3) ... [2018-04-05 15:15:51,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783847fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:15:51, skipping insertion in model container [2018-04-05 15:15:51,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:15:50" (2/3) ... [2018-04-05 15:15:51,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783847fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:15:51, skipping insertion in model container [2018-04-05 15:15:51,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:15:51" (3/3) ... [2018-04-05 15:15:51,805 INFO L107 eAbstractionObserver]: Analyzing ICFG count_down_unsafe_false-valid-deref.i [2018-04-05 15:15:51,824 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-05 15:15:51,839 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-05 15:15:51,961 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-05 15:15:51,962 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-05 15:15:51,962 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-05 15:15:51,962 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-05 15:15:51,962 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-05 15:15:51,962 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-05 15:15:51,964 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-05 15:15:51,964 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-05 15:15:51,964 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-05 15:15:51,965 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-05 15:15:52,003 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-04-05 15:15:52,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-05 15:15:52,013 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:15:52,015 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] [2018-04-05 15:15:52,016 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-05 15:15:52,027 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 [2018-04-05 15:15:52,079 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:15:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:15:52,200 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:15:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:15:52,313 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:15:52,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:15:52,449 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:15:52,449 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-05 15:15:52,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-05 15:15:52,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-05 15:15:52,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-05 15:15:52,491 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 4 states. [2018-04-05 15:15:52,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:15:52,653 INFO L93 Difference]: Finished difference Result 94 states and 105 transitions. [2018-04-05 15:15:52,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 15:15:52,658 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-05 15:15:52,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:15:52,682 INFO L225 Difference]: With dead ends: 94 [2018-04-05 15:15:52,682 INFO L226 Difference]: Without dead ends: 58 [2018-04-05 15:15:52,691 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 [2018-04-05 15:15:52,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-05 15:15:52,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-04-05 15:15:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-05 15:15:52,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2018-04-05 15:15:52,749 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 20 [2018-04-05 15:15:52,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:15:52,749 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2018-04-05 15:15:52,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-05 15:15:52,750 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2018-04-05 15:15:52,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-05 15:15:52,751 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:15:52,751 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] [2018-04-05 15:15:52,751 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-05 15:15:52,751 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 [2018-04-05 15:15:52,786 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:15:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:15:52,830 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:15:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:15:52,962 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:15:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:15:53,112 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:15:53,112 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2018-04-05 15:15:53,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-05 15:15:53,115 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-05 15:15:53,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-05 15:15:53,115 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand 5 states. [2018-04-05 15:15:53,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:15:53,404 INFO L93 Difference]: Finished difference Result 97 states and 104 transitions. [2018-04-05 15:15:53,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 15:15:53,406 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-04-05 15:15:53,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:15:53,407 INFO L225 Difference]: With dead ends: 97 [2018-04-05 15:15:53,408 INFO L226 Difference]: Without dead ends: 70 [2018-04-05 15:15:53,414 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-05 15:15:53,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-04-05 15:15:53,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 60. [2018-04-05 15:15:53,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-05 15:15:53,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2018-04-05 15:15:53,441 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 24 [2018-04-05 15:15:53,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:15:53,442 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2018-04-05 15:15:53,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-05 15:15:53,442 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2018-04-05 15:15:53,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-05 15:15:53,449 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:15:53,450 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] [2018-04-05 15:15:53,450 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-05 15:15:53,450 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 [2018-04-05 15:15:53,482 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:15:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:15:53,560 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:15:53,630 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 [2018-04-05 15:15:53,640 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:15:53,651 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:15:53,652 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 15:15:53,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:15:53,702 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:15:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:15:53,788 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:15:53,788 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-05 15:15:53,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-05 15:15:53,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-05 15:15:53,789 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-05 15:15:53,789 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 4 states. [2018-04-05 15:15:54,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:15:54,022 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-04-05 15:15:54,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-05 15:15:54,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-04-05 15:15:54,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:15:54,025 INFO L225 Difference]: With dead ends: 60 [2018-04-05 15:15:54,025 INFO L226 Difference]: Without dead ends: 56 [2018-04-05 15:15:54,025 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 [2018-04-05 15:15:54,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-05 15:15:54,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-04-05 15:15:54,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-05 15:15:54,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-04-05 15:15:54,046 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 24 [2018-04-05 15:15:54,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:15:54,047 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-04-05 15:15:54,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-05 15:15:54,047 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-04-05 15:15:54,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-05 15:15:54,048 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:15:54,048 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] [2018-04-05 15:15:54,075 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-05 15:15:54,080 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 [2018-04-05 15:15:54,126 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:15:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-05 15:15:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-05 15:15:54,332 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-05 15:15:54,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 03:15:54 BoogieIcfgContainer [2018-04-05 15:15:54,431 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-05 15:15:54,442 INFO L168 Benchmark]: Toolchain (without parser) took 5112.92 ms. Allocated memory was 308.3 MB in the beginning and 448.3 MB in the end (delta: 140.0 MB). Free memory was 243.8 MB in the beginning and 410.1 MB in the end (delta: -166.2 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 15:15:54,444 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 308.3 MB. Free memory is still 268.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 15:15:54,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 851.12 ms. Allocated memory is still 308.3 MB. Free memory was 243.8 MB in the beginning and 219.7 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-04-05 15:15:54,445 INFO L168 Benchmark]: Boogie Preprocessor took 133.81 ms. Allocated memory is still 308.3 MB. Free memory was 219.7 MB in the beginning and 217.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-05 15:15:54,446 INFO L168 Benchmark]: RCFGBuilder took 1463.53 ms. Allocated memory was 308.3 MB in the beginning and 448.3 MB in the end (delta: 140.0 MB). Free memory was 217.7 MB in the beginning and 385.3 MB in the end (delta: -167.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. [2018-04-05 15:15:54,446 INFO L168 Benchmark]: TraceAbstraction took 2644.37 ms. Allocated memory is still 448.3 MB. Free memory was 385.3 MB in the beginning and 410.1 MB in the end (delta: -24.7 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 15:15:54,456 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 308.3 MB. Free memory is still 268.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 851.12 ms. Allocated memory is still 308.3 MB. Free memory was 243.8 MB in the beginning and 219.7 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 133.81 ms. Allocated memory is still 308.3 MB. Free memory was 219.7 MB in the beginning and 217.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 1463.53 ms. Allocated memory was 308.3 MB in the beginning and 448.3 MB in the end (delta: 140.0 MB). Free memory was 217.7 MB in the beginning and 385.3 MB in the end (delta: -167.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2644.37 ms. Allocated memory is still 448.3 MB. Free memory was 385.3 MB in the beginning and 410.1 MB in the end (delta: -24.7 MB). There was no memory consumed. 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