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/reverse_array_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-35b68b2 [2018-04-06 18:57:21,622 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-06 18:57:21,624 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-06 18:57:21,639 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-06 18:57:21,640 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-06 18:57:21,640 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-06 18:57:21,642 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-06 18:57:21,644 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-06 18:57:21,646 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-06 18:57:21,646 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-06 18:57:21,647 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-06 18:57:21,647 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-06 18:57:21,648 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-06 18:57:21,650 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-06 18:57:21,651 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-06 18:57:21,653 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-06 18:57:21,655 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-06 18:57:21,657 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-06 18:57:21,658 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-06 18:57:21,660 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-06 18:57:21,662 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-06 18:57:21,662 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-06 18:57:21,663 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-06 18:57:21,664 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-06 18:57:21,665 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-06 18:57:21,666 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-06 18:57:21,667 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-06 18:57:21,667 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-06 18:57:21,668 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-04-06 18:57:21,670 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 [2018-04-06 18:57:21,696 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-06 18:57:21,696 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-06 18:57:21,696 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-06 18:57:21,696 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-06 18:57:21,697 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-06 18:57:21,697 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-06 18:57:21,697 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-06 18:57:21,698 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-06 18:57:21,698 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-06 18:57:21,698 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-06 18:57:21,698 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-06 18:57:21,699 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-06 18:57:21,699 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-06 18:57:21,699 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-06 18:57:21,699 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-06 18:57:21,699 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-06 18:57:21,700 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-06 18:57:21,700 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-06 18:57:21,700 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-06 18:57:21,700 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-06 18:57:21,700 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-06 18:57:21,700 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-06 18:57:21,701 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-06 18:57:21,701 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-06 18:57:21,701 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-06 18:57:21,701 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-06 18:57:21,702 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-06 18:57:21,702 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-06 18:57:21,702 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-06 18:57:21,702 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-06 18:57:21,702 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-06 18:57:21,703 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-06 18:57:21,703 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 18:57:21,703 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-06 18:57:21,704 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-06 18:57:21,704 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-06 18:57:21,704 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-06 18:57:21,704 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-06 18:57:21,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-06 18:57:21,754 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-06 18:57:21,758 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-06 18:57:21,760 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-06 18:57:21,760 INFO L276 PluginConnector]: CDTParser initialized [2018-04-06 18:57:21,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,084 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe282194fc [2018-04-06 18:57:22,257 INFO L287 CDTParser]: IsIndexed: true [2018-04-06 18:57:22,257 INFO L288 CDTParser]: Found 1 translation units. [2018-04-06 18:57:22,258 INFO L168 CDTParser]: Scanning reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,269 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-06 18:57:22,270 INFO L215 ultiparseSymbolTable]: [2018-04-06 18:57:22,270 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-06 18:57:22,270 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____bswap_64 ('__bswap_64') in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,270 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,270 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____bswap_32 ('__bswap_32') in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,270 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-06 18:57:22,270 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____id_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,270 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__int16_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,271 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____dev_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,271 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____fsblkcnt_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,271 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____blksize_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,271 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____syscall_ulong_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,271 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__lldiv_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,271 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__blksize_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,271 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____qaddr_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,271 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____caddr_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,272 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__fd_set in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,272 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____uint32_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,272 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__pthread_key_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,272 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__uid_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,272 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__pthread_rwlock_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,272 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__time_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,272 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__u_int32_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,272 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__caddr_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__sigset_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__blkcnt_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__ulong in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__mode_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____u_long in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____u_short in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__div_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,273 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____int16_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____ssize_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____quad_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____gid_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____socklen_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__int32_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____mode_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____intptr_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,274 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____u_quad_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____timer_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__pthread_rwlockattr_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____blkcnt64_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____off_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__pthread_barrier_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__fsfilcnt_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__off_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,275 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__size_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____nlink_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__u_char in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__key_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____pthread_list_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____rlim_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__u_int in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____int32_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,276 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__fsblkcnt_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__pthread_mutexattr_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____pid_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____fsblkcnt64_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____u_char in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____off64_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____suseconds_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__nlink_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__pthread_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,277 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____fd_mask in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____int64_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____useconds_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__wchar_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__pthread_condattr_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__dev_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____u_int in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__u_int8_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__pthread_attr_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____sig_atomic_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,278 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__clockid_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____clockid_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__quad_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__timer_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____blkcnt_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__pthread_cond_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__pthread_spinlock_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__u_int16_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____uint64_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__pthread_once_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____fsword_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__fd_mask in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____ino_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__id_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,279 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____uid_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__gid_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__ssize_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____sigset_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__uint in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__u_short in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____ino64_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____fsid_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____uint16_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__clock_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__u_long in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____fsfilcnt64_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__ino_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__pid_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____syscall_slong_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,280 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__suseconds_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____loff_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__daddr_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____int8_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__fsid_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__pthread_barrierattr_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____daddr_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__register_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__int64_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__pthread_mutex_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____clock_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____WAIT_STATUS in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,281 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__u_quad_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__ldiv_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____rlim64_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____fsfilcnt_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____uint8_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____key_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__ushort in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__u_int64_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__loff_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i____time_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_unsafe_false_valid_deref_i__int8_t in reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:22,303 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe282194fc [2018-04-06 18:57:22,308 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-06 18:57:22,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-06 18:57:22,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-06 18:57:22,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-06 18:57:22,315 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-06 18:57:22,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 06:57:22" (1/1) ... [2018-04-06 18:57:22,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd2921b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:57:22, skipping insertion in model container [2018-04-06 18:57:22,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 06:57:22" (1/1) ... [2018-04-06 18:57:22,332 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 18:57:22,362 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 18:57:22,531 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 18:57:22,585 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 18:57:22,593 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-06 18:57:22,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:57:22 WrapperNode [2018-04-06 18:57:22,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-06 18:57:22,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-06 18:57:22,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-06 18:57:22,632 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-06 18:57:22,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:57:22" (1/1) ... [2018-04-06 18:57:22,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:57:22" (1/1) ... [2018-04-06 18:57:22,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:57:22" (1/1) ... [2018-04-06 18:57:22,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:57:22" (1/1) ... [2018-04-06 18:57:22,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:57:22" (1/1) ... [2018-04-06 18:57:22,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:57:22" (1/1) ... [2018-04-06 18:57:22,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:57:22" (1/1) ... [2018-04-06 18:57:22,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-06 18:57:22,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-06 18:57:22,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-06 18:57:22,691 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-06 18:57:22,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:57:22" (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 [2018-04-06 18:57:22,827 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-06 18:57:22,827 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-06 18:57:22,827 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_freverse_array_unsafe_false_valid_deref_i____bswap_32 [2018-04-06 18:57:22,827 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_freverse_array_unsafe_false_valid_deref_i____bswap_64 [2018-04-06 18:57:22,828 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-06 18:57:22,828 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_freverse_array_unsafe_false_valid_deref_i____bswap_32 [2018-04-06 18:57:22,828 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_freverse_array_unsafe_false_valid_deref_i____bswap_64 [2018-04-06 18:57:22,828 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-06 18:57:22,828 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-06 18:57:22,828 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-06 18:57:22,829 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-06 18:57:22,829 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-06 18:57:22,829 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-06 18:57:22,829 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-06 18:57:22,829 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-06 18:57:22,829 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-06 18:57:22,830 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-06 18:57:22,830 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-06 18:57:22,830 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-06 18:57:22,830 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-06 18:57:22,830 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-06 18:57:22,830 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-06 18:57:22,831 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-06 18:57:22,831 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-06 18:57:22,831 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-06 18:57:22,831 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-06 18:57:22,831 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-06 18:57:22,832 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-06 18:57:22,832 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-06 18:57:22,832 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-06 18:57:22,832 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-06 18:57:22,832 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-06 18:57:22,832 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-06 18:57:22,832 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-06 18:57:22,832 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-06 18:57:22,833 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-06 18:57:22,833 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-06 18:57:22,833 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-06 18:57:22,833 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-06 18:57:22,833 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-06 18:57:22,833 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-06 18:57:22,833 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-06 18:57:22,834 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-06 18:57:22,834 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-06 18:57:22,834 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-06 18:57:22,834 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-06 18:57:22,834 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-06 18:57:22,834 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-06 18:57:22,834 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-06 18:57:22,835 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-06 18:57:22,835 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-06 18:57:22,835 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-06 18:57:22,835 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-06 18:57:22,835 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-06 18:57:22,835 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-06 18:57:22,835 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-06 18:57:22,835 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-06 18:57:22,836 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-06 18:57:22,836 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-06 18:57:22,836 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-06 18:57:22,836 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-06 18:57:22,836 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-06 18:57:22,836 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-06 18:57:22,836 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-06 18:57:22,836 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-06 18:57:22,837 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-06 18:57:22,837 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-06 18:57:22,837 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-06 18:57:22,837 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-06 18:57:22,837 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-06 18:57:22,837 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-06 18:57:22,837 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-06 18:57:22,837 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-06 18:57:22,838 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-06 18:57:22,838 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-06 18:57:22,838 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-06 18:57:22,838 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-06 18:57:22,838 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-06 18:57:22,838 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-06 18:57:22,838 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-06 18:57:22,838 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-06 18:57:22,839 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-06 18:57:22,839 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-06 18:57:22,839 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-06 18:57:22,839 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-06 18:57:22,839 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-06 18:57:22,839 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-06 18:57:22,839 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-06 18:57:22,840 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-06 18:57:22,840 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-06 18:57:22,840 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-06 18:57:22,840 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-06 18:57:22,840 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-06 18:57:22,840 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-06 18:57:22,840 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-06 18:57:22,840 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-06 18:57:22,841 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-06 18:57:22,841 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-06 18:57:22,841 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-06 18:57:22,841 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-06 18:57:22,841 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-06 18:57:22,841 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-06 18:57:22,841 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-06 18:57:22,842 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-06 18:57:22,842 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-06 18:57:22,842 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-06 18:57:22,842 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-06 18:57:22,842 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-06 18:57:22,842 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-06 18:57:22,842 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-06 18:57:22,842 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-06 18:57:22,842 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-06 18:57:22,843 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-06 18:57:22,843 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-06 18:57:22,843 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-06 18:57:22,843 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-06 18:57:23,276 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-06 18:57:23,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 06:57:23 BoogieIcfgContainer [2018-04-06 18:57:23,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-06 18:57:23,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-06 18:57:23,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-06 18:57:23,281 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-06 18:57:23,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 06:57:22" (1/3) ... [2018-04-06 18:57:23,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ab29e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 06:57:23, skipping insertion in model container [2018-04-06 18:57:23,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:57:22" (2/3) ... [2018-04-06 18:57:23,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ab29e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 06:57:23, skipping insertion in model container [2018-04-06 18:57:23,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 06:57:23" (3/3) ... [2018-04-06 18:57:23,286 INFO L107 eAbstractionObserver]: Analyzing ICFG reverse_array_unsafe_false-valid-deref.i [2018-04-06 18:57:23,296 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-06 18:57:23,305 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 21 error locations. [2018-04-06 18:57:23,355 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-06 18:57:23,355 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-06 18:57:23,355 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-06 18:57:23,356 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-06 18:57:23,356 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-06 18:57:23,356 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-06 18:57:23,356 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-06 18:57:23,356 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-06 18:57:23,356 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-06 18:57:23,357 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-06 18:57:23,371 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-04-06 18:57:23,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-06 18:57:23,376 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 18:57:23,376 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 18:57:23,376 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-06 18:57:23,380 INFO L82 PathProgramCache]: Analyzing trace with hash 2082964476, 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 [2018-04-06 18:57:23,392 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 18:57:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 18:57:23,427 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 18:57:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 18:57:23,447 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 18:57:23,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 18:57:23,483 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 18:57:23,483 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-06 18:57:23,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-06 18:57:23,495 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-06 18:57:23,495 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-06 18:57:23,497 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 2 states. [2018-04-06 18:57:23,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 18:57:23,516 INFO L93 Difference]: Finished difference Result 143 states and 152 transitions. [2018-04-06 18:57:23,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-06 18:57:23,517 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-04-06 18:57:23,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 18:57:23,527 INFO L225 Difference]: With dead ends: 143 [2018-04-06 18:57:23,527 INFO L226 Difference]: Without dead ends: 89 [2018-04-06 18:57:23,531 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-06 18:57:23,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-04-06 18:57:23,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-04-06 18:57:23,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-04-06 18:57:23,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 94 transitions. [2018-04-06 18:57:23,572 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 94 transitions. Word has length 19 [2018-04-06 18:57:23,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 18:57:23,573 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 94 transitions. [2018-04-06 18:57:23,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-06 18:57:23,573 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 94 transitions. [2018-04-06 18:57:23,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-06 18:57:23,574 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 18:57:23,574 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] [2018-04-06 18:57:23,574 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-06 18:57:23,574 INFO L82 PathProgramCache]: Analyzing trace with hash 147359628, 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 [2018-04-06 18:57:23,583 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 18:57:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 18:57:23,600 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 18:57:23,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 18:57:23,684 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 18:57:23,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 18:57:23,738 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 18:57:23,738 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2018-04-06 18:57:23,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-06 18:57:23,740 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-06 18:57:23,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-06 18:57:23,740 INFO L87 Difference]: Start difference. First operand 89 states and 94 transitions. Second operand 5 states. [2018-04-06 18:57:23,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 18:57:23,900 INFO L93 Difference]: Finished difference Result 227 states and 238 transitions. [2018-04-06 18:57:23,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-06 18:57:23,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-04-06 18:57:23,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 18:57:23,905 INFO L225 Difference]: With dead ends: 227 [2018-04-06 18:57:23,905 INFO L226 Difference]: Without dead ends: 179 [2018-04-06 18:57:23,908 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-06 18:57:23,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-04-06 18:57:23,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 94. [2018-04-06 18:57:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-04-06 18:57:23,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 99 transitions. [2018-04-06 18:57:23,919 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 99 transitions. Word has length 20 [2018-04-06 18:57:23,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 18:57:23,920 INFO L459 AbstractCegarLoop]: Abstraction has 94 states and 99 transitions. [2018-04-06 18:57:23,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-06 18:57:23,920 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2018-04-06 18:57:23,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-06 18:57:23,921 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 18:57:23,921 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] [2018-04-06 18:57:23,921 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-06 18:57:23,922 INFO L82 PathProgramCache]: Analyzing trace with hash 147359664, 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 [2018-04-06 18:57:23,930 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 18:57:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 18:57:23,952 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 18:57:23,979 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 [2018-04-06 18:57:23,982 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 18:57:23,984 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 18:57:23,985 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 18:57:23,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 18:57:23,999 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 18:57:24,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 18:57:24,044 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 18:57:24,044 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-06 18:57:24,045 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-06 18:57:24,045 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-06 18:57:24,045 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-06 18:57:24,045 INFO L87 Difference]: Start difference. First operand 94 states and 99 transitions. Second operand 4 states. [2018-04-06 18:57:24,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 18:57:24,179 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2018-04-06 18:57:24,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-06 18:57:24,180 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-06 18:57:24,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 18:57:24,181 INFO L225 Difference]: With dead ends: 94 [2018-04-06 18:57:24,181 INFO L226 Difference]: Without dead ends: 90 [2018-04-06 18:57:24,182 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 [2018-04-06 18:57:24,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-04-06 18:57:24,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-04-06 18:57:24,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-04-06 18:57:24,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 95 transitions. [2018-04-06 18:57:24,191 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 95 transitions. Word has length 20 [2018-04-06 18:57:24,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 18:57:24,191 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 95 transitions. [2018-04-06 18:57:24,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-06 18:57:24,192 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 95 transitions. [2018-04-06 18:57:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-06 18:57:24,193 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 18:57:24,193 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] [2018-04-06 18:57:24,193 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-06 18:57:24,194 INFO L82 PathProgramCache]: Analyzing trace with hash 147359665, 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 [2018-04-06 18:57:24,207 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 18:57:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-06 18:57:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-06 18:57:24,290 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-06 18:57:24,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 06:57:24 BoogieIcfgContainer [2018-04-06 18:57:24,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-06 18:57:24,319 INFO L168 Benchmark]: Toolchain (without parser) took 2010.42 ms. Allocated memory was 303.0 MB in the beginning and 460.8 MB in the end (delta: 157.8 MB). Free memory was 239.5 MB in the beginning and 315.5 MB in the end (delta: -76.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 5.3 GB. [2018-04-06 18:57:24,320 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 303.0 MB. Free memory is still 265.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-06 18:57:24,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.43 ms. Allocated memory is still 303.0 MB. Free memory was 239.5 MB in the beginning and 215.5 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-06 18:57:24,322 INFO L168 Benchmark]: Boogie Preprocessor took 58.60 ms. Allocated memory is still 303.0 MB. Free memory was 215.5 MB in the beginning and 213.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-06 18:57:24,322 INFO L168 Benchmark]: RCFGBuilder took 586.79 ms. Allocated memory was 303.0 MB in the beginning and 460.8 MB in the end (delta: 157.8 MB). Free memory was 213.5 MB in the beginning and 393.5 MB in the end (delta: -180.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 5.3 GB. [2018-04-06 18:57:24,323 INFO L168 Benchmark]: TraceAbstraction took 1039.74 ms. Allocated memory is still 460.8 MB. Free memory was 393.5 MB in the beginning and 315.5 MB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 5.3 GB. [2018-04-06 18:57:24,325 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 265.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 320.43 ms. Allocated memory is still 303.0 MB. Free memory was 239.5 MB in the beginning and 215.5 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 58.60 ms. Allocated memory is still 303.0 MB. Free memory was 215.5 MB in the beginning and 213.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 586.79 ms. Allocated memory was 303.0 MB in the beginning and 460.8 MB in the end (delta: 157.8 MB). Free memory was 213.5 MB in the beginning and 393.5 MB in the end (delta: -180.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1039.74 ms. Allocated memory is still 460.8 MB. Free memory was 393.5 MB in the beginning and 315.5 MB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 547]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L541] int i, j, tmp; [L542] int length = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=3, length=3] [L543] COND FALSE !(length < 1) VAL [length=3] [L544] COND FALSE !(length % 2 == 0) VAL [length=3] [L545] EXPR, FCALL __builtin_alloca (length) VAL [__builtin_alloca (length)={8:0}, length=3] [L545] int *arr = __builtin_alloca (length); VAL [__builtin_alloca (length)={8:0}, arr={8:0}, length=3] [L546] i=0 VAL [__builtin_alloca (length)={8:0}, arr={8:0}, i=0, length=3] [L546] COND TRUE i