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/memory-alloca/c.03-alloca_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 21:20:32,432 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 21:20:32,434 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 21:20:32,444 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-03-29 21:20:32,472 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-29 21:20:32,496 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 21:20:32,496 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 21:20:32,497 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 21:20:32,497 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 21:20:32,497 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 21:20:32,498 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 21:20:32,498 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 21:20:32,498 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 21:20:32,498 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 21:20:32,499 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 21:20:32,499 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 21:20:32,499 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 21:20:32,499 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 21:20:32,500 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 21:20:32,500 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 21:20:32,500 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 21:20:32,500 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 21:20:32,500 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 21:20:32,500 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 21:20:32,501 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 21:20:32,501 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 21:20:32,501 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 21:20:32,501 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 21:20:32,502 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 21:20:32,502 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 21:20:32,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 21:20:32,502 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 21:20:32,502 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 21:20:32,503 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 21:20:32,503 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 21:20:32,503 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 21:20:32,503 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:20:32,504 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 21:20:32,504 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 21:20:32,505 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 21:20:32,505 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 21:20:32,505 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 21:20:32,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 21:20:32,545 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 21:20:32,549 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 21:20:32,551 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 21:20:32,551 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 21:20:32,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memory-alloca/c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:32,814 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0ef2759c2 [2018-03-29 21:20:33,034 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 21:20:33,034 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 21:20:33,035 INFO L168 CDTParser]: Scanning c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,046 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 21:20:33,046 INFO L215 ultiparseSymbolTable]: [2018-03-29 21:20:33,046 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 21:20:33,046 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_64 ('__bswap_64') in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,046 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun ('test_fun') in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,046 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,047 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_32 ('__bswap_32') in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,047 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 21:20:33,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____int16_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____u_long in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_barrierattr_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__clock_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,047 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,048 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsid_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,048 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____syscall_slong_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,048 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____u_quad_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,049 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____ino_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____ino64_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,052 INFO L230 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c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_char in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__blkcnt_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_key_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_int16_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_cond_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,053 INFO L230 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ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____int32_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____syscall_ulong_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fd_mask in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_int8_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_short in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__off_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____nlink_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ldiv_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____blkcnt64_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsfilcnt64_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__int32_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__register_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsblkcnt64_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_int64_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pid_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__fsfilcnt_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ino_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ssize_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsword_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__int8_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__gid_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__size_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_mutex_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____mode_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_attr_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____socklen_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_once_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____u_int in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____intptr_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__time_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__div_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____useconds_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_condattr_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,059 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____rlim64_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____daddr_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_spinlock_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__mode_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__fd_set in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____sigset_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__caddr_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__loff_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____int64_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ushort in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,060 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____key_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____uint8_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____caddr_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____time_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,061 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____WAIT_STATUS in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_long in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____blksize_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____dev_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,062 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsfilcnt_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,063 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____u_short in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,063 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__int64_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,063 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__suseconds_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,063 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____qaddr_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,063 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____uint16_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,063 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__daddr_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,063 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____clock_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,063 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____loff_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,063 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____int8_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,063 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__fsid_t in c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:33,080 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0ef2759c2 [2018-03-29 21:20:33,088 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 21:20:33,090 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 21:20:33,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 21:20:33,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 21:20:33,099 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 21:20:33,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:20:33" (1/1) ... [2018-03-29 21:20:33,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e010da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:33, skipping insertion in model container [2018-03-29 21:20:33,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:20:33" (1/1) ... [2018-03-29 21:20:33,117 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:20:33,152 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:20:33,346 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:20:33,402 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:20:33,409 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-03-29 21:20:33,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:33 WrapperNode [2018-03-29 21:20:33,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 21:20:33,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 21:20:33,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 21:20:33,450 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 21:20:33,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:33" (1/1) ... [2018-03-29 21:20:33,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:33" (1/1) ... [2018-03-29 21:20:33,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:33" (1/1) ... [2018-03-29 21:20:33,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:33" (1/1) ... [2018-03-29 21:20:33,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:33" (1/1) ... [2018-03-29 21:20:33,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:33" (1/1) ... [2018-03-29 21:20:33,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:33" (1/1) ... [2018-03-29 21:20:33,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 21:20:33,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 21:20:33,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 21:20:33,504 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 21:20:33,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:33" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 21:20:33,640 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 21:20:33,640 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 21:20:33,641 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_32 [2018-03-29 21:20:33,641 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_64 [2018-03-29 21:20:33,641 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun [2018-03-29 21:20:33,641 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 21:20:33,641 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_32 [2018-03-29 21:20:33,641 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_64 [2018-03-29 21:20:33,641 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-29 21:20:33,642 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-29 21:20:33,642 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-29 21:20:33,642 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-29 21:20:33,642 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-29 21:20:33,642 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-29 21:20:33,642 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-29 21:20:33,642 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-29 21:20:33,643 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-29 21:20:33,643 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-29 21:20:33,643 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-29 21:20:33,643 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-29 21:20:33,643 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-29 21:20:33,643 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-29 21:20:33,643 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-29 21:20:33,644 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-29 21:20:33,644 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-29 21:20:33,644 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-29 21:20:33,644 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-29 21:20:33,644 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-29 21:20:33,644 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-29 21:20:33,644 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-29 21:20:33,645 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-29 21:20:33,645 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-29 21:20:33,645 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-29 21:20:33,645 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-29 21:20:33,645 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-29 21:20:33,645 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-29 21:20:33,645 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-29 21:20:33,646 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-29 21:20:33,646 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-29 21:20:33,646 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-29 21:20:33,646 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-29 21:20:33,646 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-29 21:20:33,646 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-29 21:20:33,646 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-29 21:20:33,646 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-29 21:20:33,647 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-29 21:20:33,647 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-29 21:20:33,647 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-29 21:20:33,647 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-29 21:20:33,647 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-29 21:20:33,647 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-29 21:20:33,647 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-29 21:20:33,648 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-29 21:20:33,648 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-29 21:20:33,648 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-29 21:20:33,648 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-29 21:20:33,648 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-29 21:20:33,648 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-29 21:20:33,648 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 21:20:33,648 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-29 21:20:33,649 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-29 21:20:33,649 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 21:20:33,649 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-29 21:20:33,649 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-29 21:20:33,649 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-29 21:20:33,649 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-29 21:20:33,649 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-29 21:20:33,650 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-29 21:20:33,650 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-29 21:20:33,650 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-29 21:20:33,650 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-29 21:20:33,650 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-29 21:20:33,650 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-29 21:20:33,650 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-29 21:20:33,650 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-29 21:20:33,651 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-29 21:20:33,651 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-29 21:20:33,651 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-29 21:20:33,651 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-29 21:20:33,651 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-29 21:20:33,651 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-29 21:20:33,651 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-29 21:20:33,651 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-29 21:20:33,652 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-29 21:20:33,652 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-29 21:20:33,652 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-29 21:20:33,652 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-29 21:20:33,652 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-29 21:20:33,652 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-29 21:20:33,652 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-29 21:20:33,653 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-29 21:20:33,653 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-29 21:20:33,653 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-29 21:20:33,653 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-29 21:20:33,653 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-29 21:20:33,653 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-29 21:20:33,653 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-29 21:20:33,653 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-29 21:20:33,654 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-29 21:20:33,654 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-29 21:20:33,654 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-29 21:20:33,654 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-29 21:20:33,654 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-29 21:20:33,654 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-29 21:20:33,654 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-29 21:20:33,655 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-29 21:20:33,655 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-29 21:20:33,655 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-29 21:20:33,655 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-29 21:20:33,655 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun [2018-03-29 21:20:33,655 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 21:20:33,655 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-29 21:20:33,655 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-29 21:20:33,656 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 21:20:33,656 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 21:20:33,656 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 21:20:33,656 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 21:20:33,656 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-29 21:20:34,172 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 21:20:34,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:20:34 BoogieIcfgContainer [2018-03-29 21:20:34,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 21:20:34,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 21:20:34,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 21:20:34,178 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 21:20:34,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 09:20:33" (1/3) ... [2018-03-29 21:20:34,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d71ad25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:20:34, skipping insertion in model container [2018-03-29 21:20:34,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:20:33" (2/3) ... [2018-03-29 21:20:34,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d71ad25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:20:34, skipping insertion in model container [2018-03-29 21:20:34,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:20:34" (3/3) ... [2018-03-29 21:20:34,181 INFO L107 eAbstractionObserver]: Analyzing ICFG c.03-alloca_true-valid-memsafety.i [2018-03-29 21:20:34,191 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 21:20:34,199 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2018-03-29 21:20:34,247 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 21:20:34,248 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 21:20:34,248 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 21:20:34,248 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 21:20:34,248 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 21:20:34,248 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 21:20:34,248 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 21:20:34,248 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 21:20:34,248 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 21:20:34,249 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 21:20:34,266 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-03-29 21:20:34,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-03-29 21:20:34,271 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:34,272 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] [2018-03-29 21:20:34,272 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:20:34,276 INFO L82 PathProgramCache]: Analyzing trace with hash 923352193, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:20:34,290 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:34,343 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:34,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:20:34,398 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:34,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:20:34,428 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:34,434 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:34,434 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-29 21:20:34,487 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:34,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-03-29 21:20:34,490 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:34,502 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:34,503 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:34,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-29 21:20:34,505 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:34,520 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:34,520 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:18 [2018-03-29 21:20:34,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-03-29 21:20:34,562 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:34,580 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:34,580 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:24, output treesize:23 [2018-03-29 21:20:34,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-03-29 21:20:34,644 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:34,655 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:34,655 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:24, output treesize:23 [2018-03-29 21:20:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:34,674 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:35,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:35,776 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:35,776 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 6] imperfect sequences [] total 9 [2018-03-29 21:20:35,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-29 21:20:35,788 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-29 21:20:35,788 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=58, Unknown=3, NotChecked=0, Total=90 [2018-03-29 21:20:35,790 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 10 states. [2018-03-29 21:20:36,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:36,041 INFO L93 Difference]: Finished difference Result 129 states and 130 transitions. [2018-03-29 21:20:36,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:20:36,042 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-03-29 21:20:36,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:36,052 INFO L225 Difference]: With dead ends: 129 [2018-03-29 21:20:36,052 INFO L226 Difference]: Without dead ends: 90 [2018-03-29 21:20:36,056 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=58, Invalid=95, Unknown=3, NotChecked=0, Total=156 [2018-03-29 21:20:36,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-03-29 21:20:36,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-03-29 21:20:36,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-03-29 21:20:36,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2018-03-29 21:20:36,095 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 22 [2018-03-29 21:20:36,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:36,096 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2018-03-29 21:20:36,096 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-29 21:20:36,096 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2018-03-29 21:20:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-03-29 21:20:36,097 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:36,097 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] [2018-03-29 21:20:36,097 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:20:36,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1440853117, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:20:36,103 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:36,128 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:36,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:20:36,134 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:36,135 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:36,135 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:20:36,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 12 treesize of output 11 [2018-03-29 21:20:36,146 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:36,160 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:36,161 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-29 21:20:36,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 12 treesize of output 11 [2018-03-29 21:20:36,169 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:36,172 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:36,173 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-29 21:20:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:36,177 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:36,215 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:36,216 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:20:36,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 21:20:36,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 21:20:36,218 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:20:36,218 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 4 states. [2018-03-29 21:20:36,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:36,281 INFO L93 Difference]: Finished difference Result 90 states and 91 transitions. [2018-03-29 21:20:36,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 21:20:36,282 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-03-29 21:20:36,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:36,283 INFO L225 Difference]: With dead ends: 90 [2018-03-29 21:20:36,283 INFO L226 Difference]: Without dead ends: 88 [2018-03-29 21:20:36,284 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:20:36,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-03-29 21:20:36,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-03-29 21:20:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-03-29 21:20:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 89 transitions. [2018-03-29 21:20:36,290 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 89 transitions. Word has length 23 [2018-03-29 21:20:36,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:36,290 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 89 transitions. [2018-03-29 21:20:36,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 21:20:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 89 transitions. [2018-03-29 21:20:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-03-29 21:20:36,291 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:36,291 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] [2018-03-29 21:20:36,291 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:20:36,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1440853116, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:20:36,299 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:36,325 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:36,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:20:36,338 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:36,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:20:36,344 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:36,349 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:36,349 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-29 21:20:36,378 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:36,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-03-29 21:20:36,380 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:36,396 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:36,396 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:20:36,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-29 21:20:36,398 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:36,403 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:36,403 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:18 [2018-03-29 21:20:36,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-03-29 21:20:36,420 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:36,447 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:36,448 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:24, output treesize:23 [2018-03-29 21:20:36,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:36,479 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:36,859 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:36,859 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8 [2018-03-29 21:20:36,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-29 21:20:36,859 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-29 21:20:36,860 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=48, Unknown=1, NotChecked=0, Total=72 [2018-03-29 21:20:36,860 INFO L87 Difference]: Start difference. First operand 88 states and 89 transitions. Second operand 9 states. [2018-03-29 21:20:36,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:36,979 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2018-03-29 21:20:36,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:20:36,980 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-03-29 21:20:36,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:36,981 INFO L225 Difference]: With dead ends: 88 [2018-03-29 21:20:36,981 INFO L226 Difference]: Without dead ends: 86 [2018-03-29 21:20:36,982 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=82, Unknown=1, NotChecked=0, Total=132 [2018-03-29 21:20:36,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-03-29 21:20:36,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-03-29 21:20:36,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-03-29 21:20:36,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 87 transitions. [2018-03-29 21:20:36,990 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 87 transitions. Word has length 23 [2018-03-29 21:20:36,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:36,991 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 87 transitions. [2018-03-29 21:20:36,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-29 21:20:36,991 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 87 transitions. [2018-03-29 21:20:36,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-29 21:20:36,992 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:36,992 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:20:36,992 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:20:36,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1716773661, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:20:36,999 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:37,017 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:37,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:20:37,022 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:37,037 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:37,037 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:20:37,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 12 treesize of output 11 [2018-03-29 21:20:37,065 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:37,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:37,077 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-29 21:20:37,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:37,087 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:37,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:37,116 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:37,116 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:20:37,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 21:20:37,117 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 21:20:37,117 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:20:37,117 INFO L87 Difference]: Start difference. First operand 86 states and 87 transitions. Second operand 4 states. [2018-03-29 21:20:37,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:37,168 INFO L93 Difference]: Finished difference Result 86 states and 87 transitions. [2018-03-29 21:20:37,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 21:20:37,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-03-29 21:20:37,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:37,169 INFO L225 Difference]: With dead ends: 86 [2018-03-29 21:20:37,169 INFO L226 Difference]: Without dead ends: 82 [2018-03-29 21:20:37,169 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:20:37,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-03-29 21:20:37,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-03-29 21:20:37,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-03-29 21:20:37,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 83 transitions. [2018-03-29 21:20:37,174 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 83 transitions. Word has length 24 [2018-03-29 21:20:37,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:37,175 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 83 transitions. [2018-03-29 21:20:37,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 21:20:37,175 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 83 transitions. [2018-03-29 21:20:37,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-29 21:20:37,175 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:37,175 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:20:37,176 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:20:37,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1716773660, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:20:37,181 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:37,200 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:37,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:20:37,204 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:37,207 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:37,207 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:20:37,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 12 treesize of output 11 [2018-03-29 21:20:37,225 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:37,231 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:20:37,231 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-03-29 21:20:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:37,238 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:37,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:37,594 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:37,594 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2018-03-29 21:20:37,594 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-29 21:20:37,594 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-29 21:20:37,595 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=27, Unknown=1, NotChecked=0, Total=42 [2018-03-29 21:20:37,595 INFO L87 Difference]: Start difference. First operand 82 states and 83 transitions. Second operand 7 states. [2018-03-29 21:20:37,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:37,643 INFO L93 Difference]: Finished difference Result 82 states and 83 transitions. [2018-03-29 21:20:37,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:20:37,644 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-03-29 21:20:37,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:37,645 INFO L225 Difference]: With dead ends: 82 [2018-03-29 21:20:37,645 INFO L226 Difference]: Without dead ends: 78 [2018-03-29 21:20:37,645 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=34, Unknown=1, NotChecked=0, Total=56 [2018-03-29 21:20:37,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-03-29 21:20:37,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-03-29 21:20:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-03-29 21:20:37,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2018-03-29 21:20:37,649 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 24 [2018-03-29 21:20:37,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:37,650 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2018-03-29 21:20:37,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-29 21:20:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2018-03-29 21:20:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-29 21:20:37,650 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:37,650 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, 1] [2018-03-29 21:20:37,650 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:20:37,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1680375930, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:20:37,658 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:37,676 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:37,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:20:37,691 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:37,695 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:37,696 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:20:37,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:37,702 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:37,730 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:37,730 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:20:37,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 21:20:37,730 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 21:20:37,730 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:20:37,731 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand 4 states. [2018-03-29 21:20:37,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:37,773 INFO L93 Difference]: Finished difference Result 78 states and 79 transitions. [2018-03-29 21:20:37,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 21:20:37,774 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-03-29 21:20:37,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:37,775 INFO L225 Difference]: With dead ends: 78 [2018-03-29 21:20:37,775 INFO L226 Difference]: Without dead ends: 74 [2018-03-29 21:20:37,775 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:20:37,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-03-29 21:20:37,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-03-29 21:20:37,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-03-29 21:20:37,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 75 transitions. [2018-03-29 21:20:37,781 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 75 transitions. Word has length 25 [2018-03-29 21:20:37,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:37,781 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 75 transitions. [2018-03-29 21:20:37,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 21:20:37,782 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 75 transitions. [2018-03-29 21:20:37,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-29 21:20:37,782 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:37,782 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, 1] [2018-03-29 21:20:37,782 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:20:37,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1680375929, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:20:37,791 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:37,808 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:37,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:20:37,817 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:20:37,820 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:20:37,820 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:20:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:37,834 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:37,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:37,926 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:20:37,926 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-29 21:20:37,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:20:37,929 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:20:37,929 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:20:37,930 INFO L87 Difference]: Start difference. First operand 74 states and 75 transitions. Second operand 6 states. [2018-03-29 21:20:37,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:20:38,000 INFO L93 Difference]: Finished difference Result 74 states and 75 transitions. [2018-03-29 21:20:38,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:20:38,000 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-03-29 21:20:38,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:20:38,002 INFO L225 Difference]: With dead ends: 74 [2018-03-29 21:20:38,002 INFO L226 Difference]: Without dead ends: 70 [2018-03-29 21:20:38,002 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:20:38,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-03-29 21:20:38,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-03-29 21:20:38,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-03-29 21:20:38,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2018-03-29 21:20:38,009 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 25 [2018-03-29 21:20:38,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:20:38,009 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2018-03-29 21:20:38,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:20:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2018-03-29 21:20:38,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-03-29 21:20:38,011 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:20:38,011 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:20:38,012 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:20:38,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1291947128, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:20:38,026 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:20:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:20:38,063 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:20:38,208 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| Int) (|__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| Int) (|__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| Int)) (let ((.cse1 (store |c_old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| 1))) (let ((.cse0 (store .cse1 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| 1))) (let ((.cse2 (store .cse0 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| 1))) (and (= 0 (select .cse0 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) (= 0 (select .cse1 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|)) (= 0 (select .cse2 |c___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) (= |c_#valid| (store (store (store (store .cse2 |c___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base| 1) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| 0) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| 0) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| 0)) (= (select |c_old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 0)))))) is different from true [2018-03-29 21:20:38,220 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base| Int) (|__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| Int) (|__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| Int) (|__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| Int)) (let ((.cse1 (store |c_old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| 1))) (let ((.cse0 (store .cse1 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| 1))) (let ((.cse2 (store .cse0 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| 1))) (and (= 0 (select .cse0 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) (= 0 (select .cse1 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|)) (= 0 (select .cse2 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) (= |c_#valid| (store (store (store (store (store .cse2 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base| 1) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| 0) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| 0) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| 0) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base| 0)) (= (select |c_old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 0)))))) is different from true [2018-03-29 21:20:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:20:38,263 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:20:38,373 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base_10| Int) (|v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base_12| Int) (v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~c~0.base_23 Int) (v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~z_ref~0.base_21 Int)) (let ((.cse2 (store |c_#valid| |v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base_10| 1))) (let ((.cse0 (store .cse2 |v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base_12| 1))) (let ((.cse1 (store .cse0 v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~z_ref~0.base_21 1))) (or (not (= (select |c_#valid| |v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base_10|) 0)) (not (= 0 (select .cse0 v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~z_ref~0.base_21))) (= |c_old(#valid)| (store (store (store (store (store .cse1 v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~c~0.base_23 1) |v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base_10| 0) |v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base_12| 0) v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~z_ref~0.base_21 0) v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~c~0.base_23 0)) (not (= 0 (select .cse2 |v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base_12|))) (not (= 0 (select .cse1 v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~c~0.base_23)))))))) is different from false [2018-03-29 21:20:38,392 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_2| term size 34 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-03-29 21:20:38,396 INFO L168 Benchmark]: Toolchain (without parser) took 5307.47 ms. Allocated memory was 307.2 MB in the beginning and 503.3 MB in the end (delta: 196.1 MB). Free memory was 240.8 MB in the beginning and 354.0 MB in the end (delta: -113.3 MB). Peak memory consumption was 82.8 MB. Max. memory is 5.3 GB. [2018-03-29 21:20:38,398 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 307.2 MB. Free memory is still 259.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 21:20:38,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.42 ms. Allocated memory is still 307.2 MB. Free memory was 240.8 MB in the beginning and 216.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:20:38,399 INFO L168 Benchmark]: Boogie Preprocessor took 53.31 ms. Allocated memory is still 307.2 MB. Free memory was 216.8 MB in the beginning and 214.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:20:38,399 INFO L168 Benchmark]: RCFGBuilder took 669.34 ms. Allocated memory was 307.2 MB in the beginning and 464.0 MB in the end (delta: 156.8 MB). Free memory was 214.8 MB in the beginning and 395.3 MB in the end (delta: -180.5 MB). Peak memory consumption was 19.7 MB. Max. memory is 5.3 GB. [2018-03-29 21:20:38,400 INFO L168 Benchmark]: TraceAbstraction took 4221.28 ms. Allocated memory was 464.0 MB in the beginning and 503.3 MB in the end (delta: 39.3 MB). Free memory was 395.3 MB in the beginning and 354.0 MB in the end (delta: 41.3 MB). Peak memory consumption was 80.6 MB. Max. memory is 5.3 GB. [2018-03-29 21:20:38,406 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 307.2 MB. Free memory is still 259.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 357.42 ms. Allocated memory is still 307.2 MB. Free memory was 240.8 MB in the beginning and 216.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 53.31 ms. Allocated memory is still 307.2 MB. Free memory was 216.8 MB in the beginning and 214.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 669.34 ms. Allocated memory was 307.2 MB in the beginning and 464.0 MB in the end (delta: 156.8 MB). Free memory was 214.8 MB in the beginning and 395.3 MB in the end (delta: -180.5 MB). Peak memory consumption was 19.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4221.28 ms. Allocated memory was 464.0 MB in the beginning and 503.3 MB in the end (delta: 39.3 MB). Free memory was 395.3 MB in the beginning and 354.0 MB in the end (delta: 41.3 MB). Peak memory consumption was 80.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_2| term size 34 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_2| term size 34: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/c.03-alloca_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-29_21-20-38-419.csv Received shutdown request...